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VLF VHF broadband low noise active antenna

VLF VHF broadband low noise active antenna The 30-50cm whip antenna can receive signals from 10KHZ to higher than 220MHz. The double gate MOS field effect transistor T1 provides low noise and high input impedance, and produces high gain. The circuit passes through the coaxial ......

Is the radiation of laptops great? How big is it?

Is the radiation of laptops great? How big is it? First of all, I can tell you for sure that the laptop has radiation. Note: Ben is becoming a killer of people's health Laptops are no longer “proprietary luxuries” for white-collar workers and bosses like the ......

Design of Acoustic Emission Front-end Circuit Based on In-Sy…

Design of Acoustic Emission Front-end Circuit Based on In-System Programmable Analog Circuit Introduce the technical characteristics, working principle and application of ispPAC in the system programmable analog circuit, analyze the requirements of the acoustic emission detec ......

Prospect analysis of automotive electronic navigation techno…

Prospect analysis of automotive electronic navigation technology 1. Car navigation system Car navigation system refers to vehicle road traffic information communication system, including microcomputer and display screen, synchronous satellite positioning system, radar and so ......

Use modular architecture application processor to expand mob…

Use modular architecture application processor to expand mobile phone functions In the next generation of multi-functional mobile phones, applications such as DSC, MP3, games and video are in full bloom. If only the baseband chip is used to realize these functions, it will si ......

70W combination amplifier

70W combination amplifier The amplifier uses four LM1875 power amplifier devices, suitable for installing heat sinks; powered by + 25V power supply; output power 70W. IC6 is an inverter. as an expert industrial heaters factory, indunstria ......

Motorcycle anti-theft alarm horn circuit diagram

Motorcycle anti-theft alarm horn circuit diagram Single Burner Electric HotplatePortable Hot Plate,Single Burner Electric Hotplate,Hot Plates,Hot Plates With Stainless HousingShaoxing Haoda Electrical Appliance Co.,Ltd , https://www.zjhaoda.com ......

Circuit diagram of car vibration alarm

Circuit diagram of car vibration alarm Shot blasting is a conventional technology for metal surface treatment.As a kind of shot blasting material zinc-based Alloy has wide range of applications with high precision surface treatment,and is safer and more environmentally frie ......

Automotive electronic voice horn circuit diagram

Automotive electronic voice horn circuit diagram Embedded Industrial Touch Pc is a good device for harsh environment such as factory automation, transportation, facility management, networking and public works.  The industrial multi-touch PCs  are made of al ......

Double off-harmonic balance frequency discriminator circuit

Double off-harmonic balance frequency discriminator circuit The double-harmonic balance discriminator circuit is shown in Figure 7-33. There are three tuning loops, and their resonant frequencies meet: And: Principle: The output of the dual detuned balanced discriminator is ......