Remote rf current readout

  

Posted on Sep 2, 2012    6149

A suitable pilot larnp is illuminated by a small sample of rf and energizes an inexpensive solar cell; the dc current generated by the cell is a measure of relative rf power, and may be routed to a low-current meter located at any convenient point. A sensitive, low-current pilot lamp is desirable to cause minimum disturbance to normal rf circuit conditions


Remote rf current readout - schematic

The number 48 or 49, 60 mA lamp is suitable for use with transmitters above 1-watt output.




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