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RISC (Reduced Instruction Set Computer) is relative to CISC (Complex Instruction Set Computer). RISC does not simply reduce instructions, but improves the computing speed by making the computer struc...[Details]
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Summary Advances in semiconductor technology have driven the adoption of phased array antennas across the industry. The shift from mechanically steered antennas to active electronically scanned ant...[Details]
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What I mean by ARM bare board debugging is that after the ARM PCB board is made, the board that comes back with the patch has no program and is powered on for the first time. The reason why I wrote a ...[Details]
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It is well known that after using a smartphone for more than a year, the charge capacity of the lithium-ion battery will decrease, and the service life of the phone may be reduced, which will indirec...[Details]
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Many beginners of single-chip microcomputers often feel very mysterious about the header file of C51. Why is it written in that way? Some beginners even like to ask, why is the P of P1 port capitalize...[Details]
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7.5 A Regulator Using the LT1083
When designing the power supply section of any circuit board, the most commonly used regulators are 78XX, 79XX, LM317, LM337 or similar devices. Engi...[Details]
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RISC and CISC, this pair of enemies, have been in constant entanglement since the day they were born. Until today, after years of development, both have opened up a world in their respective fields a...[Details]
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A mass flow meter is an instrument that accurately measures gas flow. Its measured value will not be inaccurate due to temperature or pressure fluctuations, and does not require temperature and press...[Details]
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Schematic diagram and circuit diagram of USB sound card based on PCM2702
Make a sound card is no more a complex issue. If you use great IC PCM2702 from BURR BROWN / Texas Instruments you can cre...[Details]
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#include "stm32f10x.h" /*RCC clock configuration*/ void RCC_config(void) { ErrorStatus HSEStartUpStatus; /* RCC registers are set to default configuration */ RCC_DeInit(); /* Turn on external ...[Details]
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The November 2000 issue (No. 127) of the American audiophile bible "Absolute Audio" (TAS) published an article titled "Room Treatmeat & Speaker Placement" written by Mr. Robert E. Greene. The artic...[Details]
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Transistor measurement is often done in circuit design, especially for those who are new to the field and don't know why they need to be divided into NPN and PNP types. It is even more necessary to le...[Details]
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This article introduces a battery automatic constant current charging circuit based on discrete components, focusing on the circuit composition, structural characteristics, working principle and ...[Details]
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In order to meet the increasingly diverse signal analysis application needs, modern spectrum analyzers mostly use Windows architecture and operating system. Spectrum analyzers under Windows platform h...[Details]
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German company Heliatek has once again set a new record for the conversion efficiency of organic thin-film solar cells: an independent German testing agency has confirmed that the efficiency of a 1...[Details]
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