Keying an external power amplifier
I have a couple of used surplus PA using a push-pull of 2SC2290 in class C.
I have been using one successfully with my SoftRock RXTX, putting out 10W for a little less than 1W in.
I would like to try them with the Mountain Topper Rig.
What is the best way to have a keying signal from the MSP430 ?
Can I use the signal from P1.7 (pin 28) and somehow add a circuit similar to Q3 in parallel (using a Bs170) ?
Thanks for your help.
Yan - XV4Y.
Yannick DEVOS - XV4Y