Power supplies

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12 Volt 20 Amp Power Supply
12 Volt 20 Amp Power Supply
August 31, 2010

A 12 Volt high current 20 Amp power supply. The output voltage is variable from 12.2 Volt to 14.4V so can be set for any device requiring voltage and current in that range. This PSU uses an LM723 as the regulator, 4 parallel connected outboard... [more]

Adjustable Power Supply with Charger Output
Adjustable Power Supply with Charger Output
August 31, 2010

This power supply has adjustable and charger output [more]

Variable Power Supply Using Fixed Regulator
Variable Power Supply Using Fixed Regulator
August 31, 2010

This is a similar power supply that I used to power my FM Transmitter [more]

Universal PSU
Universal PSU
August 31, 2010

A Universal Power supply based on the L200 regulator, which includes an outboard pass transistor to boost output currents up to 4 amps. [more]

Soft Start PSU
Soft Start PSU
August 31, 2010

Two soft start power supplies. The output voltage slowly increases to the desired output. [more]

Small Variable power Supply
Small Variable power Supply
August 31, 2010

This is a simple but reliable device based one of the oldest integrated voltage regulators of them all - the LM723. [more]

Supply Voltage Indicator
Supply Voltage Indicator
August 31, 2010

A novel supply voltage monitor which uses a LED to show the status of a power supply. [more]

Current Limiting Power Supply
Current Limiting Power Supply
August 31, 2010

This is a 1-amp variable-voltage PSU. It adjusts from about 3v to 24v: and has the added feature that you can limit the maximum output current [more]

9 Volt 2 Amp PSU
9 Volt 2 Amp PSU
August 31, 2010

A simple 9 Volt 2 amp supply using a single IC regulator. [more]

Regulated DC power supply
Regulated DC power supply
August 31, 2010

This is a Regulated DC power supply with short circuit protection and with current limiter. [more]

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