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Posts tagged Connexity

InPowered battery charger circuit

InPowered battery charger circuit diagram schematic 6V-12V using NE555, LM7812, 2SA671, 1N4002, BC549 auto battery charger circuit On a lithium-ion cell, 3.8V/cell indicates a state-of-charge of about 50%. It must be noted that utilizing voltage as a fuel gauge function is inaccurate because cells made by different manufacturers produce a slightly different voltage profile. This […]

Transistor Tester for repair

Circuit diagram for SCR and Transistor Tester Transistor and Circuit Tester pro- vides accurate measurement of basic transistor and diode characteristics required for quality testing

How the Principles of the VGA work on PAL and NTSC – converter

This series of VGA video signal in RGB format compatible with PAL or NTSC standard video timings. AD722 is very low, RGB to NTSC / PAL Encoder that converts red, green and blue color component signals into a suitable lighting (baseband amplitude) and Chrominance (subcarrier amplitude and phase) signals in accordance with either NTSC or […]

Phono preamp circuit

Good Phono preamp circuit using BD437, BD438

Electronic Circuit Diagram 400V with mosfet for ac matic and dimer

Electronic Circuit Diagram 400V with   mosfet  for acmatic and dimer

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