The available LM-317 Power Supply circuit uses the popular LM-317 LM317 3 terminal regulator in a classic pass transistor regulator layout. The second lm317pspcb download is a circuit board parts view if you want to build the circuit.

The available file download is in adobe pdf file format. Feel free to drop us an Email if you have questions.

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We/I get a lot of Email from visitors who drop into these file down load description pages via a web search "engine" (like Google). Vistors are not able to locate the file download icon for that specific description page. There is a simple way to find the file download icons on the main http://www.radiowrench.com/sonic sonic web page...

First and best: Use the menu icon just below to the main sonic page.

Second: Back space out the page your now looking at in your browser location line. As an example, using the http://www.radiowrench.com/sonic.so2004.html description page. Remove the last portion of the web location with the keyboard back space key to read http://www.radiowrench.com/sonic then press your Enter Key to reload the main sonic page "just in front" which would probably has the inforamation you're looking for. This works on most of the current browsers at most web sites.