# Adjustable Symmetrical Power Supply Using LM317 and LM337

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The circuit was designed to provide an adjustment with a power supply that is symmetrically designed while providing a voltage range of 1.25V to 30V at 1A current. LM317 – an adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A over an output voltage range of 1.2V… Read more »

# 0-60 volt DC variable power supply using LM317&LM337

If you want a power supply that covers most applications. This circuit may be what you’re looking for. The price you deny difficult. With the following features. 1. On signal mode can supply DC voltage between 0 volt and 60 volt 2. Can provide DC dual variable on positive, negative… Read more »

# Precision LED Regulator by LM337T

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# Dual power supply 3V,5V,6V,9V,12,15V with LM317,LM337

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Here is the variable dual lab power supply circuit.You can select voltage levels are 3V,5V,6V,9V,12,15V at 1A and -3V,-5V,-6V,-9V,-12V,-15V at 1A, use IC LM317 (for positive volt) and LM337 (for negative volt), Controls Voltage Output by S2 For +Vout and S3 for -Vout. The transformer is 2A size. And the… Read more »

# LM317/LM337 Calculator (IC Regulator)

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LINEAR ADJUSTABLE POSITIVE/NEGATIVE VOLTAGE REGULATORS For LM317/LM337 Calculator (Easy Circuit) Click to Calculator Site: