-
This is a half-bridge switch circuit driven by IC1 oscillator and T1. IC1 is a KW9712. When Ra and Rb are equal, the potential of IC1's ③ pin is equal to (1/2) VDD, and the duty ratio of ④ and ⑤ pins...[Details]
-
Capacitors are very important in EMC design and are also commonly used filtering components! People are not very clear about the use of capacitors! Here are two key points of capacitor filtering :...[Details]
-
First, turn the multimeter to the test diode end, touch one of the transistor pins with the red probe of the multimeter, and use the other probe of the multimeter to test the remaining pins until the...[Details]
-
Text｜Yi Yuqin
In the wave of automation, technology has rapidly entered all walks of life, promoting industry transformation and upgrading while also nurturing new demands. In recent years...[Details]
-
#Clock settings The clock is mainly set by three registers: VISION； REFDV； POSTDIV； The formula used is: FVOC=2OSCCLK((SYNR+1)/(REFDV+1)) PLLCLK=FVCO/(2*POSTDIV) BusClock=PLLCLK/2 BusClock is the b...[Details]
-
2.2.1 Determination of emitter E
Set the multimeter to R x 100 or R x 1k, connect the black probe to the assumed emitter, and the red probe to the other two poles. When two low resistance...[Details]
-
1. The experimental task uses the AT89S51 microcontroller to make a manual counter. Connect a tact switch to the P3.7 pin of the AT89S51 microcontroller as a manual counting button. Use P2.0-P2.7 of ...[Details]
-
According to reports, Intel announced today that it will invest up to 80 billion euros in the EU over the next decade along the entire semiconductor value chain. The investment areas include chip R&D...[Details]
-
In How to Handle High di/dt Load Transients (Part 1)
, we discussed the capacitive bypassing requirements of some loads when current changes rapidly. We found that it was necessary to place low equi...[Details]
-
Electrical detection methods include pulse current method, radio interference voltage method, UHF partial discharge detection technology, and dielectric loss analysis method.
1. Electrical detection...[Details]
-
Last month, Apple launched the MacBook Air, Mac mini and 13-inch MacBook Pro equipped with its own M1 chip. The biggest difference between Apple's M1 chip and the chips used in previous Macs is that ...[Details]
-
There are many factors that affect the test results of laser particle size analysis instruments. This article discusses the following three key factors: optical path alignment, instrument calibration...[Details]
-
The most convenient way to control industrial frequency AC power with a single chip microcomputer is to use a bidirectional thyristor MDK160A. In order to avoid the interference and influence on the ...[Details]
-
During the operation of the inverter, the disconnection of the load may cause a series of problems, thus affecting the normal operation of the equipment and system. In this article, we will explore...[Details]
-
I am using the OK6410 development board, which comes with two kernels (2.6.32 and 3.0.1 have been tested)
First, let’s talk about how to make a logo:
Linux Logo Maker: LogoMaker.tgz 4.7MB...[Details]
Domestic Chip Exchange
京公网安备 11010802033920号
EEWORLD
