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How to solve the DC bias problem of zero-IF receiver? The simplest solution is to use AC coupling, such as adding a high-pass filter. However, the spectrum of random binary data will show a peak at D...[Details]
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Abstract: TI's high-speed operational amplifier OPA820ID is used as the first-stage amplifier circuit, and THS3091D is used as the final amplifier circuit. The voltage gain ≥ 40 dB is achieved on t...[Details]
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background The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting technologies, has made it possible to create fu...[Details]
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Recently, the 2020 Porsche Racing E-sports Challenge China ushered in the finals at the Shanghai International Circuit. As the official partner of the Porsche Racing E-sports Challenge China, Bose pr...[Details]
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When testing loop resistance testers designed according to conventional design principles on site, it is found that there is a common problem: when the voltage wiring loop of the tester has poor cont...[Details]
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【Abstract/Introduction】
I still remember that a few years ago, when wireless charging first appeared in large numbers at the civilian level, most of us were shocked by this "black te...[Details]
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NXP's smart defrost solution uses solid-state RF technology to thaw food quickly, safely and with high quality January 9 – NXP Semiconductors NV (NASDAQ: NXPI, hereinafter referred to as “NXP”) to...[Details]
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Abstract : Based on the UC3842 high-performance current mode PWM chip, a medical switching power supply design is proposed. This design uses AC-DC to power medical equipment, adopts a single-ended f...[Details]
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Digital podium handwriting screen
The digital podium handwriting screen is a product that combines LCD display with advanced touch screen technology. With an ordinary writing pen, you can...[Details]
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KEA128 is an ARM microcontroller with M0 core and only has one watchdog. Unlike other ARM microcontrollers, which may have multiple watchdogs, such as the STM32F103 series, which has 2 watchdogs, KEA...[Details]
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Tianma Microelectronics announced that the world's first LCD screen multi-point fingerprint solution (TED Finger Print, referred to as TFP) developed by Tianma has been officially released. It ...[Details]
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Network Analyzer Block Diagram Figure 1 shows the internal block diagram of the network analyzer. To complete the transmission/reflection characteristics test of the device under test, the networ...[Details]
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1 Overview PB50 is a high-voltage field effect tube high-power boost amplifier launched by APEX Company in the United States. It has the characteristics of high operating voltage (200V), large outp...[Details]
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It is very difficult to search the source code of Exynos4412 on the Internet now. Basically, I have not found any information that has analyzed the memory initialization code of DDR3. When looking at...[Details]
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Hybrid cars have become more and more common on the road in the past two years. Even if you don't look at the official data, as long as you pay a little attention to the car choices of your friends...[Details]
Power technology
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