The popular 3 terminal fixed regulators available today are in the form of IC 7805, IC 7809, IC 7812, IC 7815, and IC 7824, which correspond to fixed voltage outputs of 5 V, 9 V, 12 V, 15V, and 24 V. These are called fixed voltage regulators since these ICs are able to produce excellent […]
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IC 723 Voltage Regulator – Working, Application Circuit
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 […]
Voltage Regulator Circuits and Projects
In this article I will comprehensively discuss how to make customized transistorized voltage regulator circuits in fixed modes and also variable modes. All linear power supply circuits which are designed to produce a stabilized, constant voltage and current output fundamentally incorporate transistor and zener diode stages for getting the required regulated outputs. These circuit projects […]
Ultrasonic Pest Repellent Circuit
The explained Ultrasonic Pest repeller is a device that generates ultrasound or a very high frequency noise in the range of over 20 kHz which becomes useful for repelling or scaring away animals like stray dogs, cats, mice bats, etc. This becomes possible since these animals are able to easily detect the frequencies at this […]
Easy Two Transistor Circuit Projects for School Students
A variety of small school projects can be built using just two transistors. This compilation includes a collection of practical and fascinating circuit ideas using just a few number of parts. Any small signal transistor can be used in the proposed two transistor circuit, such as BC547, 2N2222, 2N2907, BC108, BC107, TIP32, TIP31, 188, 8050, […]
Simple Circuits using IC 7400 NAND Gates
In this article I will elucidate many assorted circuit ideas built using NAND gates from ICs such as IC 7400, IC 7413, IC 4011, and IC 4093 etc. IC 7400, IC 7413 Specifications The I.C.s 7400 and the 7413 are 14 -pin DIL ICs, or “14 pin Dual In Line Integrated Circuits”, where pin 14 […]