Hello everyone: How can I measure the RMS value (effective value) of AC? The measurement frequency is expected to reach 1MHZ. The information I have found so far is shown in the block diagram. The pro...
Design of the Image Plane Figure 4 is an image plane in the PCB, which has a common partial inductance. In this figure, most of the RF current of the signal trace will return to the ground plane, whic...
[i=s]This post was last edited by Qingye Piaoling on 2015-5-8 17:59[/i] Introduction to the functions of the astronomical telescope: PC/astronomical telescope application design: 1. Receive telescope ...
Compared to battery chemistries such as lithium manganese dioxide (LiMnO 2 ) , lithium thionyl chloride (LiSOCI 2 ) batteries can achieve higher energy density and better cost per watt, so they are co...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
AD8302
Introduction
AD8302 is a monolithic integrated circuit for RF/IF amplitude and phase measurement from ADI. It is mainly composed of two precisely matched broadband logarithmic det...[Details]
Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
MIPS Technologies Inc. has introduced the CI10084tg, a next-generation global positioning system (GPS) RF tuner IP solution. The silicon-proven, integrated low-noise RF front end for GPS receivers...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
IntroductionUSB
, serial port, and parallel port are commonly used interfaces for communication between PC and peripherals. However, for images with large data volumes, if the serial RS-232 protoc...[Details]
With the continuous development of digital television, the demand for high-definition is imperative. H.264, as a new generation of compression standard, has a more complete algorithm than MPEG-2, ...[Details]
Preface
Sine wave inverters are widely used in various fields such as electricity, post and telecommunications, communications, and aerospace. Moreover, with the continuous development and...[Details]
Currently, there are huge differences in market analysis statistics for high-brightness LEDs (light-emitting diodes). Despite the divergence of forecasts, one trend is clear: the high-brightness (H...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]
Test/Measurement
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