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SGS-THOMSON has launched three single-chip Class D amplifier ICs, namely TDA7480 (10W), TDA7481C (18W) and TDA7482 (25W). This article takes the TDA7482 with the largest output power as an example....[Details]
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0 Introduction
As a 32-bit high-performance, low-cost, low-power embedded RISC (Reduced Instruction Set Computer) microprocessor, ARM (Advanced RISC Machines) microprocessor has become the mos...[Details]
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According to Reuters, on August 15, Natron Energy said it plans to invest $1.4 billion to build a sodium-ion battery manufacturing plant in North Carolina, USA, which is expected to increase the co...[Details]
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The wakeman interface adopts the USB interface mode, which supports the combination of accessories such as USB mono to Bluetooth headsets. In addition, it also serves as a power charging interface....[Details]
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Recently, the Zhejiang Provincial Department of Science and Technology announced the list of winners of the 2020 Zhejiang Science and Technology Awards. In awards in multiple categories, achievement...[Details]
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MCS-51 series microcontrollers will be the mainstream microcontrollers in my country at present and for a considerable period of time in the future. However, in the early development process, progr...[Details]
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According to Japanese media reports, a research team from the Institute of Industrial Science at Osaka University (located in Ibaraki City, Osaka Prefecture) recently announced that it has develope...[Details]
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On August 17, the National Development and Reform Commission held its regular press conference for August. Meng Wei, spokesperson for the National Development and Reform Commission, said that multip...[Details]
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Main performance and range requirements of multimeters Sensitivity is an important parameter of multimeters, and DC voltage sensitivity is usually the most important. Multimeters with high sensitivi...[Details]
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August 15 report (by reporter Zhang Yiqun) Recently, British media reported that SoftBank's sale of Arm has entered the countdown and the transaction may be completed before the end of summer. Nvdia ...[Details]
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1. Three-terminal fixed integrated regulator
If the aforementioned series-type voltage-stabilized power supply circuit is all integrated on a piece of silicon chip, packaged and then led out to thr...[Details]
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1 Overview
With the rapid development of integrated circuits, various true RMS AC/DC converters have appeared in recent years, among which AD736 from AD Company of the United States is a very typic...[Details]
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There are a few things to note:
1. It is necessary to call the MMU function to implement memory mapping;
2. After the interrupt is triggered and the interrupt processing function is entered, the co...[Details]
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The following figure shows a long-distance wireless transmission circuit made with National Semiconductor's integrated circuit. It is not difficult to see that it actually uses its audio amplifier ...[Details]
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Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]