Amateur Radio Archive

Impedance Bridge

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Here is a complete set of full scale drawings of the parts for the Impedance Bridge which was featured in the August 1965 issue of 73. This bridge is one of the most useful pieces of test equipment that you could possibly build. It would cost you hundreds of dollars to buy this unit commercially made. This set of plans comes complete with a reprint of the original article,

SSB TRANSCEIVER SCHEMATIC $1.00

There have been many requests for a giant sized schematic of the wonderful little transceiver that appeared in the November 1961 issue of 73, This schematic comes complete with a spare issue of the magazine in case you missed it