Audio-rf signal tracer probe


Posted on Jul 2, 2012

This economical signal tracer is useful for servicing and alignment work in receivers and low power transmitters. When switched to RF, the modulation on any signal is detected by the diode and amplified by the FET


Audio-rf signal tracer probe
Click here to download the full size of the above Circuit.

A twin-core shielded lead can be used to connect the probe to an amplifier and to feed 6 volts to it.




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