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The Tuned Radio Frequency (TRF) Receiver

From 1953 an article explaining in depth the valve circuits used in a TRF radio. Covered are The RF Amplifier,The Detector,The Output Stage and Power Supplies.
Sorry about the first 2 pages being Pink in colour. That was how it was printed.

The TRF Receiver Page 1 The TRF Receiver Page 2. Circuit TRF Receiver Page 3
TRF Receiver Page 4 TRF Receiver Page 5. (or the bit left over)


Last updated 9.5.2006

2003-2004 © Maurice Woodhead