Remote rf current readout


Posted on Sep 2, 2012

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
Click here to download the full size of the above Circuit.

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




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