Collins 30S-1 Linear RF Amplifier

I own, operate and repair many rf and linear rf amplifiers. The Collins 30S-1 is one amplifier I've always loved. The circuit features a single 4cx1000 cathode driven with band swtiched tuned inputs for the original 80-10 bands. The original 866a mercury vapor rectifiers may be replaced by the more common 3B28 or a solid state unit. This is a zip file package which contains the circuit diagram in gif and pdf file formats.

The 4CX1000 tube data-sheet is also available from the main sonic web page. Simply click on your browser return icon or use the information below to find the download information.

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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.

Third: You can always contact me using the Email Icon below. I'll try to get a back to you asap with a practical answer.


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