10 Feb 2013

Simple antenna current meter

https://sites.google.com/site/arvidevans/LED_Antenna_Current_Indicator.png
Just spotted this on the web. Looks like a useful idea to indicate antenna current and could not be simpler.

1 comment:

  1. Don't forget to shunt the captor coil of the toroid, with a low value (100 ohms) resistor. To avoid to choke the RF. Some cores take temperature, with only 5 W.

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