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Vector network analyzers require that measurement calibration be performed prior to error correction measurements. For two-port measurements, the calibration algorithm used to determine the response ...[Details]
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This application test targets non-nominal 50Ω cables, including coaxial, twisted pair, and differential high-speed data line tests, including impedance parameters, S parameters (insertion loss, stand...[Details]
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The schematic diagram of the MCU thermometer design simulation is as follows. There are two versions of AVR16 chip and AVR128 chip. The MCU source program is as follows: /*---------------------...[Details]
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In recent years, with the development of network technology, networking has swept the world. How to connect instruments and equipment such as measurement and control systems to the...[Details]
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In recent years, the Internet of Things (IoT) and Machine-to-Machine (M2M) markets and technologies have attracted widespread attention. The concept of IoT and M2M not only refers to personal compute...[Details]
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Recently, the State Intellectual Property Office issued a "Decision on the Examination of the Request for Invalidation", with decision number 51401 and patent number 201821205285.2, declaring all pat...[Details]
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The basic amplifier circuits of triodes include common emitter amplifier circuit, common base amplifier circuit and common collector amplifier circuit, among which the common emitter amplifier circui...[Details]
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The design of the variable frequency power supply is to convert AC → DC → AC, and the output is a pure sine wave. The frequency and voltage of the output are adjusted within a certain range. The in...[Details]
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The reason why I want to popularize RFID is that recently many friends have consulted me about the application process of ETC, wondering what the differences are between choosing banks, WeChat, Alipa...[Details]
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At present, many brands of LED backlight displays are referred to as LED displays. In fact, LED displays are fundamentally different from current LED backlight displays. Of course, it is easy f...[Details]
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Everyone knows that when compiling a program in the MPLAB environment, c files, h files, files generated by the compiler, etc. will be ruthlessly placed in a project folder by the compiler. A progr...[Details]
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The quickest and easiest way to improve the test efficiency of LED power supply is to choose the appropriate electronic load. If you are not familiar with the knowledge of electronic load, or if you a...[Details]
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Abstract: The software and hardware design of the oil well parameter tester lowering depth tester is composed of 89C52 single chip microcomputer. The tester is used in conjunction with the oil w...[Details]
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Although Xiaomi's Q1 data showed outstanding growth, it was not a temporary flash in the pan. To summarize Xiaomi’s first quarter 2021 financial report in one sentence: better than expected. Acc...[Details]
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Abstract: This article uses BYD's patents to understand electric vehicles, on-board chargers and their overcurrent protection circuits. The on-board charger includes an AC/DC converter and a DC/DC ...[Details]