Essential knowledge: English vocabulary for public broadcasting equipment PA publicaddresssystem voltage AMPamplifier power amplifier voltageamp SPEAKER speakers ceilingspeaker AUx. = Auxiliary Aux.return Aux.send auxiliary sending Balance BUs bus, public line Clip ---MORE---
Signal detection function of satellite digital TV receiver when searching for stars When we are looking for stars, the digital machine itself has some detection displays, such as signal strength, signal quality (all displayed with red bars), error correction, etc. These displ ---MORE---
How does EWSD switch realize the restriction on illegal call For a large number of invalid bills on the Internet, we can identify the calling number by calling the direct dial exchange (DID), and reject the call with the illegal or invalid calling number to protect the intere ---MORE---
Cisco multi-channel STM-1 module function test Abstract: At present, the method of using the CISCO multi-channel STM-1 module to consolidate multiple SDH 2Mbit / s dedicated lines has gradually been widely used. Used on the network. In order to have a more comprehensive unders ---MORE---
SCA demodulator 40152 15Ah 3.2V Lithium Ion BatteryLithium Polymer,Lithium Battery Types,Lithium Ion Car Battery,Hw40152S 15Ah Lifepo4 BatteryZhejiang Xinghai Energy Technology Co.,Ltd , https://www.headwayli-battery.com ---MORE---
Abstract: This note describes how to use the PUMP clock output of the MAX6850, MAX6851, MAX6852, or MAX6853 vacuum fluorescent display controllers to construct a low-cost boost converter. The dc-dc converter generates the high-voltage grid supply anode supply for the VFD tube f ---MORE---
Public Key Infrastructure PKI PKI (Piblic Key Infrustructure) is a key management platform that adheres to established standards. It can provide cryptographic services such as encryption and digital signatures and the necessary key and certificate management systems for all n ---MORE---