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Sina Digital News reported on the morning of January 20 that Qualcomm Technologies announced the launch of the Qualcomm Snapdragon 870 5G mobile platform. This chip is an upgraded product of t...[Details]
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AC signal three-way distribution amplifier
This circuit can divide the input AC signal into three outputs, which can be used for indication, control, analysis and other purposes. The impact on the ...[Details]
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A common problem encountered in electronic design is the testing of the transmission characteristics of the circuit under test (DUT). The transmission characteristics here include gain and attenuat...[Details]
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● Strong main grid promotes development: 500 kV ring network structure has been completed; the total transformation capacity of the power grid is 91.25 million kVA, and there are 136 500 kV lines.
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The UK government plans to end the sale of new petrol, diesel and hybrid cars by 2035 following a consultation process. The UK's previous goal was to phase out the sales of traditional gasoline and...[Details]
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On October 19, Oriental Electronics Co., Ltd. announced that its wholly-owned subsidiary Yantai Oriental Weston Electric Co., Ltd. has cooperated with professional investment institutions to establis...[Details]
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The power supply has the characteristics of stable output, adjustable voltage, small size, stable performance circuit, etc. The output current of the switching power supply is 1.8A; the output vo...[Details]
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After the release of the P40 series, the Huawei Mate series will also be routinely updated. As usual, the Huawei Mate 40 series will be released this fall. The Huawei P40 series is the first ...[Details]
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The loop uses the XTR112 4-20mA current transmitter to measure the temperature of a remote 3-wire RTD. This device provides two matched current sources for RTD excitation and linear impedance compe...[Details]
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On March 5, the Shenzhen Stock Exchange announced that due to the company's application to withdraw its application documents for issuance and listing, the Shenzhen Stock Exchange decided to terminat...[Details]
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;************************************************************************ * ;* 以 PIC16F877A 為I2C Master 模式存取一串列式 EEPROM 的範例程式 * ;* * ;* Written by...[Details]
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On February 19, the 2020 Liaoning Province National Economic and Social Development Statistical Bulletin was released. It is reported that among industries above designated size, the added value of ...[Details]
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Today's main electroacoustic products include high-performance microphones/handle microphones, balanced armature receivers, and silicon microphones/ultrasonic sound wave sensors.
Half of the annual...[Details]
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In modern portable smart instruments or handheld devices, Chinese human-machine interface has become a de facto industry standard. Graphic dot-matrix LCDs that can display Chinese characters and sm...[Details]
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User data processing flow on the wireless network side
Figure 1-1 User plane protocol stack of 3GPP LTE network
Figure 1-1 shows the user plane protocol stack of the 3GPP LTE ne...[Details]
Analog electronics
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