In this section we are going to analyze BJT common-base configuration, and learn regarding its driving point characteristics, reverse saturation current, base to emitter voltage and evaluate the parameters through […]
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3 Smart Li-Ion Battery Chargers using TP4056, IC LP2951, IC LM3622
These smart, intelligent battery charger will charge a Li-IOn battery rapidly by monitoring 3 crucial parameters, which are constant current, constant voltage and constant 25 degrees Celsius temperature. The post […]
How to Design a Flyback Converter – Comprehensive Tutorial
A flyback configuration is the preferred topology in SMPS application designs mainly because it guarantees complete isolation of the output DC from the input mains AC. Other features include low […]
Password Controlled AC Mains ON/OFF Switch
In this post we are going to construct a password based mains ON/OFF switch circuit, which can turn ON and OFF the AC mains supply, only when correct password is […]
0-40V Adjustable Power Supply Circuit – Construction Tutorial
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 […]
3 Solid-State Single IC 220V Adjustable Power Supply Circuits
These AC to DC power supplies use a single chip to convert mains 220 V or 120 V input AC into 12 V or 5 V DC without depending on […]