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The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
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Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
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This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
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The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
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To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
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Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
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Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
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The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
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Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
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Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
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introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[Details]
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With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
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0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
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Abstract:
A single pulse secondary radar reply processor implemented with EPLD. Its main functions include: reply frame pulse detection, reply information decoding, assembling reply inf...[Details]
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Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool for digital signal analysis and processing such as graphics, speech and images.
The amount of calcula...[Details]