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Newly Updated Circuit Projects:

1 Hz to 1 MHz Frequency Reference Generator Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 36 Comments

1 MHz time base

This circuit is an universal frequency generator which you can use in numerous frequency and time period testing applications. It is primarily well suited for a gate pulse generator in frequency counters. The circuit is capable of generating an entire range of reference frequencies such as 1 Hz, 5 Hz, 10 Hz, 50 Hz, 100 […]

Filed Under: Oscillator Circuits Tagged With: Frequency, Generator, Reference

0.6V to 6V/12V Boost Converter Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 52 Comments

0.6v to 6v converter circuit

In this post I have explained how to make a 0.6V to 6V or 12V boost converter circuit using a single chip MC74VHC1G14, which uses under 1V to operate. About the IC MC74VHC1G14 Normally, we all know that a silicon transistor would find it difficult functioning below 0.7V, unlike germanium counterparts which are capable of doing it […]

Filed Under: Lamps and Lights Tagged With: 12V, Boost, Converter

0-60V LM317HV Variable Power Supply Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 86 Comments

317hv

The high voltage LM317HV series of ICs will allow to go beyond the traditional voltage limits of an LM317 IC and enable controlling supplies that may be as high as 60V. 0-60V Regulation with a Single IC LM317 Therefore now you can build a universal 0-60V regulated power supply circuit loaded with all the essential […]

Filed Under: Power Supply Circuits Tagged With: 60V, LM317HV, Power, Supply, Variable

0-40V Adjustable Power Supply Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 33 Comments

IMG

This multipurpose general purpose supply generates as much as 2.5 amps from zero to 20 volts or up to 1.25 amps from 0-40 volts. Current limiting is variable within the entire range for either output options. By Trupti Patil Power Supply Main Specifications: AN IDEAL POWER SUPPLY must provide a voltage that is variable within […]

Filed Under: Power Supply Circuits Tagged With: 40V, Adjustable, Power, Supply

0-300V Adjustable Transformerless Power Supply Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 267 Comments

ZEROTO220300VVARIABLEPOWERSUPPLYCIRCUIT

This simple MOSFET controlled transformerless power supply circuit can be used for delivering a continuously variable 0 to 300V DC output and a current control from 100 mA to 1 Amp. To protect against my high voltage research projects from going up in smoke permanently, I developed an easy circuit which is able to render […]

Filed Under: Power Supply Circuits Tagged With: 300V, Adjustable, Power, Supply, Transformerless

IC 723 Voltage Regulator – Working, Application Circuit

Last Updated on January 14, 2025 by Swagatam 35 Comments

IC723 block diagram

In this post I have explained the main electrical features, pinout specifications, datasheet, and application circuit of the IC 723. The IC 723 is a general purpose, extremely versatile voltage regulator IC, which can be used for making various types of regulated power supplies such as: Main Features ABSOLUTE MAXIMUM RATINGS Pinout Functions Pin 1 […]

Filed Under: Power Supply Circuits Tagged With: 723, Application, Regulator, Voltage, Working

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