PCS-Electronics

Hi

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You're probably looking at the symbol for a chassis ground.

I designed a solution and it seems to be working well.
I added an adjustable voltage regulator just before the ferrite bead and rf choke on the supply for the last power transitor. Running at a fraction of the power runs alot cooler and uses less power. nice!

Hi
I've built a 1 watt (fixed) FM transmitter that I would like to modify for adjustable power output. (I want to LOWER the RF power output, crazy I know!)
This circuit design utilizes two transistors, the second feeding power to the antenna.
I'm guessing, if I limit the supply voltage to the ...