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An engineer has compiled learning and query materials on common power supply circuits, including various voltage stabilizing circuits, various rectifier circuits, and various filtering circuits. It...[Details]
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Abstract: The harmonic voltage source used for
electric energy measurement
requires strong harmonic synthesis capability, so the sampling frequency requirement is high. At present, most harmonic ...[Details]
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Elan 78e51_HT1621_LCD display program ;**************************] ;MCU:W78E51(MCS-51 series MCU) CS BIT P0.0 WRI BIT P0.2 DATA_BIT BIT P0.1 ;30H~32H are used for write cycle flag ;40H~43H are used...[Details]
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Bandwidth, sampling rate and memory depth are the three key indicators of digital oscilloscopes. Compared with engineers' familiarity and attention to oscilloscope bandwidth, sampling rate and memory...[Details]
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Intel Flash chips i28f160, i28f320:
i28F320B: 64*64K, 64 blocks, 4M space, each block is 64K, the first 64K consists of 8 8*8K small blocks.
Each Black can be independently erased and written...[Details]
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Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
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In response to the U.S. Treasury Department's inclusion of SenseTime and other companies in the investment restriction list under the pretext of so-called "human rights violations", SenseTime respond...[Details]
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Some models of STM8 microcontrollers can support external crystal oscillators up to 24MHz. When configuring an external crystal oscillator, follow the steps below: 1 Define external crystal oscilla...[Details]
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The RF front-end market is booming, and Yole predicts that it will reach $17 billion by the end of 2021, up from $14 billion in 2020. But by then, the market’s growth rate should slow. RF front-end m...[Details]
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This article introduces the specific application of Lon Works technology in smart home through a specific example. LON bus is a means of realizing distributed monitoring system launched by ECHELON ...[Details]
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New ideas There are already a lot of basic teachings on the dynamic display of digital tubes. In the teaching, data is often stored in the form of arrays for dynamic display, which is easy to underst...[Details]
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Abstract: Starting from the mathematical expression of the output DC voltage of the three-phase half-wave rectifier circuit, the circulating current of two sets of double reverse star rectifier cir...[Details]
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1 Phenomenon
Use the buzzer to realize the music playback function and play "Castle in the Sky".
2 Principle
(1) Music score of Castle in the Sky
3 Reference Progr...[Details]
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Vishay Intertechnology Launches New Automotive-Grade IHTH Plug-In Inductors in Small 1500 Case Size with 156 A Saturation Current
Devices are designed to replace larger, more expensi...[Details]
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MOUNTAIN VIEW, Calif., May 29, 2019 /PRNewswire/ -- CEVA, Inc. (NASDAQ: CEVA), the leading licensor of signal processing platforms and artificial intelligence processors for smarter, connected device...[Details]
Analogue and Mixed Signal
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