On the afternoon of December 17, 2019, my country’s first domestically-made aircraft carrier Shandong Ship was delivered to the Navy at a military port in Sanya, Hainan. Upon approval, my country’s first domestically-made aircraft carrier was named “Shandong Ship of the Chinese People’s Liberation Army Navy”, with the port number “17”.
On December 31, 2015, the Chinese Ministry of National Defense announced that China is building a domestic aircraft carrier. It has been four years since then, and China’s dream of owning the first domestic aircraft carrier has finally come true.
According to official reports, construction of the first domestically produced aircraft carrier started in November 2013 and in-dock construction began in March 2015. On April 26, 2017, the launching ceremony of the first domestically-made aircraft carrier was held in Dalian. Undocking and launching is one of the major milestones in the construction of an aircraft carrier, marking a major milestone in China’s independent design and construction of aircraft carriers.
On May 13, 2018, the domestic aircraft carrier ushered in the much-anticipated moment in the heavy fog-the first sea trial. Since then, the curtain of sea trials has been slowly opened. So far, the domestic aircraft carrier has carried out nine sea trials.
On November 17, 2019, the domestic aircraft carrier passed through the Taiwan Strait and went to the relevant waters of the South China Sea to carry out scientific research experiments and routine training, and docked at a military port in Sanya. Facts have proved that this is the “home” of the domestic aircraft carrier. As early as 2013, the Liaoning ship had already berthed at the military port for supplies. According to Xinhua News Agency, the military port is a large-scale military port designed and built by the Navy itself, with corresponding supporting facilities to meet the berthing needs of various large surface ships. Geng Yansheng, a spokesman for the Ministry of National Defense at the time, responded to the news that a new aircraft carrier base was being built in Sanya, saying that it is very necessary and normal for the Chinese army to carry out necessary maintenance and renovation of military facilities including military ports.
On December 17, 2019, the domestic aircraft carrier Shandong with hull number 17 was listed in a military port in Sanya. Among the coincidences of “Double 17”, there is another coincidence – this day in history, Beiyang Navy was in Weihai, Shandong Weihaiwei Liu The official establishment of Gongdao has spanned 131 years of history.
Prior to this, China’s first aircraft carrier Liaoning was delivered to the Navy on September 25, 2012. The Liaoning is a conventionally powered medium-sized aircraft carrier, and the take-off and landing method of the carrier-based aircraft is a ski-jump.
So far, after the Shandong ship was delivered and put into use, China entered the era of dual aircraft carriers.
On September 9, the Network Audiovisual Program Management Department of the State Administration of Radio, Film and Television held a symposium.
The meeting emphasized that it is necessary to adhere to strictness and practicality, to address both the symptoms and the symptoms, to effectively clarify the atmosphere in the field of online audio-visual literature and art, and to use resolute and powerful practical actions to let the people see changes and see results.
First, strengthen supervision. The competent radio and television departments at all levels should conscientiously implement the responsibility system for ideological work, and strengthen the responsibility for hosting and territorial management. It is necessary to continue to deepen the effectiveness of the special rectification of online variety shows,
No idol development program shall be broadcast;
Variety entertainment and reality shows that star children participate in shall not be broadcast;
Talent shows are not allowed to set up links and channels such as off-site voting, rankings, and assistance;
Resolutely resist bad trends such as “only traffic” and pan-entertainment;
Resolutely resist illegal and immoral artists using online platforms to make voice appearances;
It is necessary to continue to implement the review system for film remuneration management, strengthen work linkage with taxation and other relevant departments, strengthen information sharing, and resolutely crack down on “high-priced film remuneration” and “yin-yang contracts”.
The second is to hold down the responsibility of the compaction platform. Online audio-visual program service agencies must insist on putting social benefits in the first place, consciously assume media responsibilities and social responsibilities, and resolutely resist erroneous practices such as ridiculing scandals, hyping hot spots, and creating confrontations, and resisting the deformity of “only traffic” and “only appearance” culture.
The third is to strengthen literary criticism. Adhere to a serious, objective and comprehensive evaluation of works, constantly improve the professionalism of literary criticism, and give full play to the role of advocating the good and suppressing the bad.
Fourth, strengthen industry self-discipline. Industry associations should further strengthen industry self-discipline and training of practitioners, educate and guide the whole industry to abide by the law, respect morality and art, and jointly build a good network ecology.
In this “power supplydesignTips, we will identify some leakage inductance requirements for coupled inductors in SEPIC topologies. SEPIC is a very useful topology when electrical isolation between primary and secondary circuits is not required and the input voltage is either higher or lower than the output voltage.We can use it instead of boost when short circuit protection is requiredconverter. SEPIC converters are characterized by a singleswitchoperation and continuous input current, resulting in lowerelectromagnetic interference (EMI). This topology (shown in Figure 1) can use two separate inductors (or since the inductors have similar voltage waveforms), and therefore a coupled Inductor, as shown. Coupled inductors are attractive because they are smaller in size and cost than two separate inductors.The disadvantage is that standard inductances are not always available for all possibleapplicationoptimize.
Figure 1 SEPIC converter uses a switch to ramp up and down the output voltage
The current and voltage waveforms of this circuit are related to the continuous currentmodel (CCM) The reverse circuit is similar. When Q1 is turned on, it uses the input voltage of the coupled inductor main stage to form energy in the circuit. When Q1 is turned off, the voltage across the inductor is reversed and then clamped to the output voltage. Capacitor C_AC is what differentiates the SEPIC from the inverse circuit; when Q1 is on, the secondary inductor current flows through it and then goes to ground. When Q1 is off, the primary inductor current flows through C_AC, increasing the output current through D1. A big benefit of this topology over a reverse circuit is that both the FET and diode voltages are clamped by C_AC and there is very little ringing in the circuit.In this way, we can choose to use lower voltages, and thus produce higher efficiencydevice.
Since this topology is similar to the inverse topology, many would argue that a tightly coupled set of windings is required. However, this is not the case. Figure 2 shows two operating states of a continuous SEPIC whose transformer has been modeled by leakage inductance (LL), magnetizing inductance (LM), and an ideal transformer (T). Upon inspection, the voltage of the leakage inductance is equal to the voltage of C_AC. Therefore, a large AC voltage with a small value of C_AC or a small leakage inductance results in a large loop current. Large loop current reduces converter efficiency and EMI performance, which we do not want to happen. One way to reduce this large loop current is to increase the coupling capacitor (C_AC). However, doing so comes at the cost of cost, size and reliability. A more astute approach is to increase the leakage inductance, which can be easily achieved by specifying a custom magnetic assembly.
2a) MOSFET ON: VLL = VC_AC – VIN = ∆VC_AC (DC part removed)
Figures 2a and 2b show two operating states of the SEPIC converter. The AC voltage of the leakage inductance is equal to the coupling capacitor voltage.
Interestingly, very few manufacturers have recognized this fact and many have produced inductors with low leakage inductance for SEPIC applications.Coilcraft, on the other hand, has a 47 uH MSD1260 with about 0.5 uH leakage inductance, and is also available in the latestdevelopThere are other versions of this design with leakage inductances above 10 uH, which we will cover in our next Power Supply Design Tips, so stay tuned.
For this and other power suppliessolutionFor more details, please visit: www.ti.com.cn/power.
“SEPIC Converters Benefit From Leakage Inductance” by Betten, John, PowerPulse.net, http://www.powerpulse.net/techPaper.php?paperID=153
At the moment of the epidemic, schools have started online classes in response to the postponement of the start of the school year. DingTalk has become the class platform chosen by many schools across the country.
However, the students were dissatisfied with DingTalk’s account, so they gave DingTalk 1 point in order to get rid of DingTalk and continue the vacation.
Immediately, DingTalk appeared in a situation where the scoring situation was extremely unoptimistic. For this reason, the official released a song on the evening of February 16 to seek praise. The song is called “Ding Ding Ben Ding Online Begging For mercy”, with witty lyrics and a memorable melody, it was on the hot search for a while.
What is the magic power of this “song”? Just look at the lyrics: “I have no regrets in this life, I will pay it all at once with five stars”, “Young heroes, spare your life, everyone is my father”, “I know the teacher still I have to wash my hair, I’m causing trouble for you! I know that you guys don’t want to have such a fulfilling holiday, so it’s hard for you!”
The young heroes who were caught by the teacher’s online class and had to return from the holiday state,
“Now, wireless communication technology has become one of the issues that people pay more and more attention to. ZigBee adopts the IEEE802.15.4 standard and uses the 2.4 GHz public frequency shared by the world for wireless measurement and system monitoring, and has obvious advantages such as low cost, low power consumption, many network nodes, and long transmission distance. Currently, ZigBee technology has been regarded as one of the most promising technologies in the field of replacing wired monitoring and control networks. Therefore, this paper discusses a design method of wireless data transmission module based on CC2430 chip.
Authors: Yin Yingpeng, Li Pingzhou, Guo Zhihua
Now, wireless communication technology has become one of the issues that people pay more and more attention to. ZigBee adopts the IEEE802.15.4 standard and uses the 2.4 GHz public frequency shared by the world for wireless measurement and system monitoring, and has obvious advantages such as low cost, low power consumption, many network nodes, and long transmission distance. Currently, ZigBee technology has been regarded as one of the most promising technologies in the field of replacing wired monitoring and control networks. Therefore, this paper discusses a design method of wireless data transmission module based on CC2430 chip.
1 Introduction to ZigBee
ZigBee is a short-range, low-rate wireless network technology based on the IEEE802.15.0 standard. This wireless connection technology mainly solves low-cost, low-power, low-complexity, low-transmission, and short-range device networking applications. It is mainly used for Wireless sensor networks and measurement control. Internationally, the IEEE802.15.4 working group and the ZigBee Alliance work together to promote the wireless connection technology. Among them, the IEEE802.15.4 working group is mainly responsible for formulating ZigBee physical layer and MAC layer protocols. The remaining protocols mainly refer to and adopt existing standards to facilitate the interconnection and interoperability of equipment from different manufacturers in the future; the ZigBee Alliance is responsible for high-level applications and market promotion. The ZigBee Alliance, established in 2002, has now attracted hundreds of chip companies and wireless equipment companies to join. In addition, international giants such as Freescale and TI have also launched relatively mature ZigBee development platforms.
The ZigBee standard is based on the 802.15.4 protocol stack. It has powerful device networking capabilities and supports three main types of self-organizing wireless networks, namely star structure, mesh structure (Mesh) and cluster structure ( Cluster tree), in which the mesh structure has strong network robustness and system reliability.
The ZigBee protocol is simpler and more practical than Bluetooth, GSM, and Wi-Fi. Table 1 lists the comparison of ZigBee with other wireless networks.
2 Overall Design
In order to carry out the modular design, this paper adopts the design based on the Universal Asynchronous Receiver Transmitter Mode (UART) interface, so that the STIM (Smart Sensor Interface Module) and the wireless module can be conveniently connected together through this interface, so as to transmit the user’s data.
In order to facilitate online debugging and test the data of the serial port, the system design is divided into two parts: one is the CC2430 part, which adopts a four-layer board miniaturization design, with only the CC2430 chip and some peripheral devices on it; the other part is the test backplane , The board adopts a two-layer board design, including USB and UART interfaces, indicator lights, reset and debugging interfaces, etc. Such a design can not only cut off the power supply from the USB interface, but also make it more convenient for the computer to debug the UART, and at the same time, it can simplify the design of the RF board and make the part of the RF board more versatile. Figure 1 shows the circuit schematic diagram of the test backplane, and the application circuit schematic diagram of CC2430 in the system is shown in Figure 2.
3 Introduction to CC2430 chip
CC2430/CC2431 is a new generation of ZigBee wireless microcontroller series chips with a brand-new concept introduced after the chip giant TI company acquired the wireless microcontroller company CHIPCON. CC2430 is an on-chip SOC ZigBee product that truly complies with the IEEE802.15.4 standard. Besides including RF transceiver, CC2430 also integrates enhanced 8051MCU, 32/64/128 KB Flash memory, 8 KB RAM, ADC, DMA, watchdog, etc. CC2430 can work in the 2.4 GHz frequency band, uses low voltage (2.0 ~ 3.6 V) to supply power and consumes very little power (27 mA when receiving data, 25 mA when sending data), its sensitivity is as high as -91 dBm, and the maximum output is + 0.6 dBm with a maximum transfer rate of 250 kbps.
The CC2430 has a small number of peripheral components, and it uses an unbalanced antenna to connect the balun to make the antenna performance even better. The balun transformer in the circuit is composed of capacitors C309, C311 and inductors L301, L302, L303, and the whole structure can meet the requirements of RF input/output matching resistance (50 Ω). The internal T/R exchange circuit is used to complete the exchange between the LNA and the PA. R200 and R201 are bias resistors, among which R200 is mainly used to provide a suitable working current for the 32 MHz crystal oscillator, and R201 can provide a precise current reference source for the internal radio frequency part of the chip. Select a 32 MHz quartz resonator and two capacitors (C210, C211) to form a 32 MHz crystal oscillator circuit. The voltage regulator inside the chip can supply power to all 1.8 V pins and the internal power supply. C214, C209, C200, etc. are decoupling capacitors, which are mainly used for power supply filtering to improve the working stability of the chip. The main features of the CC2430 chip are as follows:
◇Includes 8051 microcontroller core with high performance and low power consumption;
◇Integrated with 2.4 GHz RF radio transceiver conforming to IEEE802.15.4 standard;
◇It has excellent wireless reception sensitivity and strong anti-interference ability.
◇The current consumption in sleep mode is only 0.9μA, and the system can be woken up by external interrupt or RTC: the current consumption in standby mode is less than 0.6μA, and the system can also be woken up by external interrupt;
◇Hardware supports CSMA/CA function;
◇ Has a wide voltage range (2.0 ~ 3.6 V);
◇With digital RSSI/LQI support and powerful DMA function;
◇With battery monitoring and temperature sensing functions;
◇ Internally integrated ADC with 14-bit analog-to-digital conversion;
◇Integrated with AES security co-processor;
◇With 2 USARTs that can support several groups of protocols, and 1 MAC timer that conforms to the IEEE 802.15.4 specification. With 1 regular 16-bit timer and 2 8-bit timers at the same time.
◇ Has powerful and flexible development tools.
Due to space limitations. Only a brief introduction to the design of the software is given here. The author purchased the CC2430 development kit from TI, which includes a debug board and software. Now, TI has provided the original expensive ZigBee protocol stack for free, and there will be continuous updates and improvements. In addition, the kit has some practical examples, which can reduce the complexity of development and speed up the development speed of developers.
With the continuous maturity of ZigBee technology and the continuous expansion of application scope, almost all major semiconductor manufacturers have launched their own ZigBee chips and development kits. It is believed that in the next few years, it can not only open the door to a large number of new applications, but also add new value to many existing applications. Because networking can be achieved through a variety of very simple ZigBee devices, as a global standard, ZigBee technology can create the conditions for ubiquitous networking in the future. It is foreseeable that Zigbee wireless sensing will practically change people’s lives.
“As an energy conversion device working in the switching state, the voltage and current change rates of the switching power supply are very high, and the resulting interference intensity is relatively large; the interference sources are mainly concentrated during the power switching period and the radiator and high-level transformer connected to it. The location of the circuit interference source is relatively clear; the switching frequency is not high (from tens of kilohertz and several megahertz), and the main forms of interference are conducted interference and near-field interference; while the printed circuit board (PCB) traces are usually wired manually. It has greater randomness, which increases the difficulty of extracting PCB distribution parameters and estimating near-field interference.
As an energy conversion device working in the switching state, the voltage and current change rates of the switching power supply are very high, and the resulting interference intensity is relatively large; the interference sources are mainly concentrated during the power switching period and the radiator and high-level transformer connected to it. The location of the circuit interference source is relatively clear; the switching frequency is not high (from tens of kilohertz and several megahertz), and the main forms of interference are conducted interference and near-field interference; while the printed circuit board (PCB) traces are usually wired manually. It has greater randomness, which increases the difficulty of extracting PCB distribution parameters and estimating near-field interference.
The differential mode interference is the main problem, and it can be solved by increasing the X capacitor.
Differential mode and common mode mixing, use the input end and a series of X capacitors to filter out the differential mode interference and analyze which kind of interference exceeds the standard and solve it.
The common touch interference is mainly used, and the method of suppressing common touch is adopted.
For the case grounded, using a magnet around the ground wire for 2 turns will have a greater attenuation of the interference above 10MHz.
It can be used to increase the Y capacitor to the ground, wrap copper skin on the outside of the transformer, change the PCBLAYOUT, connect a small magnetic ring with double-wire winding in front of the output line, at least 10 turns, and connect an RC filter at both ends of the output rectifier tube.
It is generally caused by the high-speed turn-on and turn-off of the MOS tube, which can be solved by increasing the MOS drive resistance. The RCD buffer circuit uses a 1N4007 slow tube, and the VCC power supply voltage is solved by a 1N4007 slow tube.
It is generally caused by the reverse recovery current of the output rectifier, and magnetic beads can be stringed on the rectifier.
Most of them are due to PFCMOSFET and PFC diode. Now MOSFET and PFC diode string magnetic beads are effective. The horizontal direction can basically solve the problem, but the vertical direction is very helpless.
The radiation of the switching power supply generally only affects the frequency band below 100MHz. A corresponding absorption circuit can also be added to the MOS diode, but the efficiency will be reduced.
Measures to prevent EMI when designing switching power supplies:
1. Minimize the area of PCB copper foil of noise circuit nodes; such as the drain, collector of the switch tube, the node of the primary and secondary windings, etc. 2. Keep the input and output terminals away from noise components, such as transformer wire packages, transformer cores, heat sinks of switch tubes, etc. 3. Keep noise components (such as unshielded transformer wire wraps, unshielded transformer cores, switch tubes, etc.) away from the edge of the enclosure, because the edge of the enclosure is likely to be close to the outside ground wire under normal operation. 4. If the transformer is not shielded by electric field, keep the shield and heat sink away from the transformer. 5. Minimize the area of the following current loops: secondary (output) rectifier, primary switching power device, gate (base) drive circuit, auxiliary rectifier, etc. 6. Do not mix the gate (base) drive feedback loop with the primary switch circuit or auxiliary rectifier circuit. 7. Adjust and optimize the damping resistance value so that it does not produce ringing sound during the dead time of the switch. 8. Prevent EMI filter Inductor saturation. 9. Keep the turning node and the components of the secondary circuit away from the shield of the primary circuit or the heat sink of the switch tube. 10. Keep swinging nodes and component bodies of the primary circuit away from shields or heat sinks. 11. Place the high frequency input EMI filter close to the input cable or connector end. 12. Keep the high frequency output EMI filter close to the output wire terminals. 13. Keep a certain distance between the copper foil of the PCB on the opposite side of the EMI filter and the component body. 14. Put some resistors on the lines of the rectifier for the auxiliary coil. 15. Connect a damping resistor in parallel with the magnet coil. 16. Connect a damping resistor in parallel at both ends of the output RF filter. 17. It is allowed to put a 1nF/500V ceramic capacitor or a series of resistors in the PCB design, which is connected across the primary static end of the transformer and the auxiliary winding. 18. Keep the EMI filter away from the power transformer, especially at the end of the wrap. 19. If the PCB area is sufficient, the pins for shielding windings and the position for placing RC dampers can be left on the PCB. The RC dampers can be connected across both ends of the shielding windings. 20. If space permits, place a small radial lead capacitor (Miller, 10 picofarads/1kV) between the drain and gate of the switching power FET. 21. Put a small RC damper on the DC output if space permits. 22. Do not place the AC socket against the heat sink of the primary switch tube.
The device can reduce component temperature by more than 25%, improve power handling capability or extend lifetime.
MALVERN, PA – April 7, 2020 – Recently, Vishay Intertechnology, Inc. (NYSE: VSH) announced the launch of ThermaWick THJP series of surface mount thermal jumper chip resistors. Vishay Dale thin-film devices enable designers to transfer heat from an electrically isolated device to a ground plane or general heat sink by providing a thermal path.
The recently released chip uses an aluminum nitride substrate with a thermal conductivity of up to 170 W/m°K, which reduces the temperature of connected devices by more than 25%, allowing designers to increase the power handling capabilities of these devices, or extend existing work. conditions, while maintaining electrical isolation of each device. The reliability of the overall circuit can be improved by avoiding thermal loading of adjacent devices.
The THJP family of devices has a capacity as low as 0.07 pF, making it an excellent choice for high frequency and thermal ladder applications. Thermal conductors are used in power supplies and converters, RF amplifiers, synthesizers, pin laser diodes, and filters for AMS, industrial and telecom applications.
Devices are available in six form factors from 0603 to 2512, with custom form factors available. The 0612 and 1225 frame sizes feature long edge terminations for improved thermal conductivity. Thermal jumper chip resistors are available with lead (Pb) and lead (Pb) free wrap terminations.
Device Specification Sheet:
ThermaWick THJP series thermal jumper chip resistors will provide samples and mass production in the first quarter of 2020, with a lead time of 6 weeks.
Introduction to VISHAY
Vishay Intertechnology, Inc. A Fortune 1000 company listed on the New York Stock Exchange (VSH) and one of the world’s largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive Electroniccomponents (resistors, inductors, capacitors) one. These components are used in virtually all types of electronic equipment and equipment in the industrial, computing, automotive, consumer, communications, defense, aerospace, power, and medical markets. Product innovation, successful acquisition strategies, and “one-stop” service have made Vishay a global industry leader.
Last week, Huawei officially launched HarmonyOS (Hongmeng operating system), and announced that Hongmeng is fully open source and has donated all its basic capabilities. For the first time, the copyright of domestic software has strengthened in an all-round way today, and many stocks have directly increased their daily limit.
As of the close of noon, the A-share software sector has risen sharply, among which China Software has risen by the daily limit, Runhe Software has risen by more than 16%, ArcherMind has risen by more than 10%, Wanxing Technology has risen by more than 7%, Longsoft Technology, Creative Information, Kelan Software and so on.
Regarding the Hongmeng system, Huawei stated that the intelligent terminal operating system (ie “Hongmeng operating system”) is a brand-new and independent intelligent terminal operating system developed by Huawei for the era of the Internet of Everything. It provides a unified system for the intelligence, interconnection and collaboration of different devices. language.
The operating system has three characteristics:
First, a set of operating systems can meet the needs of large and small devices, achieve unified OS, and flexible deployment;
The second is that the devices equipped with the operating system are integrated at the system level to form a super terminal, so that the hardware capabilities of the devices can be flexibly expanded, and hardware mutual assistance and resource sharing between devices can be realized;
The third is for developers to realize one-time development and multi-terminal deployment.
Huawei has donated all the basic capabilities of the smart terminal operating system to the Open Atom Open Source Foundation in 2020 and 2021. The Open Atom Open Source Foundation will integrate the contributions of other participants to form the OpenHarmony open source project (the project’s The Chinese name is being registered by the Open Atom Open Source Foundation), and Huawei will continue to participate in the joint construction of the OpenHarmony open source project.
Organizations and individuals who are interested and in need around the world can participate in the project on an equal footing to achieve mutual consultation, co-construction, sharing and win-win results.
The National Computer Virus Emergency Response Center recently discovered through Internet monitoring that 15 mobile applications have privacy violations, violated the relevant provisions of the “Network Security Law”, and were suspected of collecting personal privacy information beyond the scope.
“Maker Cloud Business” (version 4.1.3, vivo app store).
3. Failure to expressly apply for all privacy rights to the user is suspected of non-compliance with privacy. The 12 apps involved are as follows:
4. The app begins to collect personal information before obtaining the user’s consent, which is suspected of non-compliance with privacy. The 3 apps involved are as follows:
“Cooking Every Day” (version 7.6.8, vivo app store), “Flying Flower Order of Poetry Conference” (version 4.2, vivo app store), “more business” (version 5.5.4, pea pods).
5. Failure to provide effective functions for correcting, deleting personal information and canceling user accounts, or setting unreasonable conditions for canceling user accounts, is suspected of privacy violations. The 8 apps involved are as follows:
6. Failure to establish and publish personal information security complaint and reporting channels, or exceed the promised response time limit, which is suspected of privacy violations. The 1 App involved is as follows:
“Chengmei Selection” (version 2.4.5, pea pods).
“The fourth largest operator in China” China Radio and Television Network Co., Ltd. has recently completed the capital increase, and the registered capital has risen from 101.201 billion yuan to 134.386 billion yuan.
On the evening of December 25, the official Weibo account of the State Administration of Radio and Television’s journal “Radio and Television Review” announced that: On December 24, China Radio and Television Network Co., Ltd. held the first extraordinary general meeting of shareholders in 2020. The meeting was held by remote video. Representatives of shareholders of China Radio and Television Co., Ltd. attended the meeting, and some directors, supervisors and senior management personnel attended the meeting as nonvoting delegates. The meeting complied with legal procedures and regulations.
According to the news, the meeting reviewed and approved the “Proposal on Increasing the Registered Capital of China Radio and Television Network Co., Ltd.” and agreed to increase the registered capital of China Radio and Television Co., Ltd. from RMB 101,201,072,000 to RMB 134,386,101,969.
The meeting also passed the “Proposal on Amending the Articles of Association of China Radio and Television Network Co., Ltd.” and so on.
On December 25, China Radio and Television Co., Ltd. completed the industrial and commercial change registration procedures, renewed the “Business License”, and filed a new “Articles of Association”.
Previously, the founding conference of China Radio and Television Network Co., Ltd. was held in Beijing on September 24 this year.
Zhu Yonglei, deputy director of the State Administration of Radio and Television, member of the party group, and director of the National Cable TV Network Integration and Development Leading Group Office, pointed out in his speech that this inaugural meeting is to earnestly implement the “National Cable TV Network Integration Development Implementation Plan” by nine ministries and commissions including the Central Propaganda Department. A milestone meeting to request and accelerate the transformation, upgrading and integration of radio and television networks. The founding meeting was successfully held, thanks to the strong support and efficient work of the Central Propaganda Department and the National Cable TV Network Integration and Development Leading Group member units, as well as the efforts of China Radio and Television Network Co., Ltd. and local cable TV network companies. .
On the 24th, China Radio and Television Network Co., Ltd. held the first meeting of the first board of directors and the first meeting of the first board of supervisors. Among them, Song Qizhu was elected as the chairman of the company.
On the evening of September 27, Oriental Pearl Tower and other companies announced that China Radio and Television Network Co., Ltd. had completed the industrial and commercial registration and obtained the business license issued by the industrial and commercial administration department. The announcement shows that the registered capital of China Radio and Television Network Co., Ltd. is 101,201,072,000 yuan.
According to Beijing Daily customer reports, on October 12, China Radio and Television Network Co., Ltd. was officially established in Beijing, becoming the fourth largest operator in China.
According to the report, among the shareholders of China Radio and Television Network Co., Ltd., in addition to China Radio and Television Network Co., Ltd., Beijing Beiguang Media Investment and Development Center Co., Ltd., Jiangsu Radio and Television Cable Information Network Co., Ltd., Tianjin Radio and Television Station, Hunan Television and Radio Communication Co., Ltd. The capital of traditional radio and television departments such as limited liability company, also includes Hangzhou Alibaba Venture Capital Management Co., Ltd., State Grid Information and Communication Industry Group Co., Ltd., Shenzhen China Merchants Technology Investment Co., Ltd., Jiuquan Iron and Steel (Group) Co., Ltd. and other non-profit organizations. Radio and television capital.