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Extended High Bass Effect from Small Speaker Box [Cross-Over-Filter]

Last Updated on February 27, 2021 by Matrix Leave a Comment

Bigger speaker boxes produce proportionately higher bass effect, this fact is know to all of us. However, bigger boxes are not only expensive, they can be cumbersome and bulky. How […]

Filed Under: Audio Projects

DC to DC Converter Circuits using SG3524 [Buck, Boost Designs]

Last Updated on February 26, 2021 by Swagatam 2 Comments

A DC to DC converter is basically a switch-mode power supply, designed to work either as a boost-converter to step-up a low voltage DC to a higher voltage DC, or […]



Filed Under: Power Electronics, Power Supply Circuits

Understanding MOSFET Current Rating in Datasheets

Last Updated on February 15, 2021 by Swagatam 8 Comments

The post comprehensively explains the current rating of MOSFETs in their datasheets, and helps us to understand how it is calculated by the design engineers, keeping in mind the various […]

Filed Under: Electronic Devices and Circuit Theory

Universal BJT, JFET, MOSFET Tester Circuit

Last Updated on February 8, 2021 by Swagatam 2 Comments

This useful transistor tester allows the user to quickly check the functionality of an NPN/PNP transistor, JFET or (V)MOSFET as well as determine the orientation of their terminals, or the […]

Filed Under: Meters and Testers, Mini Projects

2 Meter Ham Radio Transmitter Circuit

Last Updated on January 25, 2021 by Swagatam 2 Comments

In this post we learn the complete building procedure of a 2-meter amateur ham radio transmitter circuit, using ordinary electronic components and ordinary test equipment. What is 2-Meter VHF Radio […]

Filed Under: Transmitter Circuits

How Laser Microphones or Laser Bugs Work

Last Updated on January 20, 2021 by Swagatam Leave a Comment

A laser microphone is a security monitoring gadget in which a laser beam is used for detecting audio vibrations across faraway targets, which are normally walls or glass of homes […]

Filed Under: Security and Alarm



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