Hf Low-Power Cw Transmitter


Posted on Jun 10, 2012

Suitable for amateur use, this 1.5-W transmitter runs on a 12-V supply. Ql is an oscillator using a surplus FT2


Hf Low-Power Cw Transmitter
Click here to download the full size of the above Circuit.

43 crystal. Q2 is a buffer driver and is keyed via keying transistor Q5. Q3 acts as a driver for Q4 (which should be heatsinked). Q4 develops about 1.5-W output. Coil data is given in the parts list. C12 is adjusted for best power output.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Motorcycle Alarm
Ultrasonic / Bat detector
Loudspeaker Tester
Buffer-amplifier-for-multiplexers
Wide-frequency-ttl-clock
Biquad-audio-filter
Hard but soft power switch for Arduino
Design a Unipolar Stepper Motor Controller/Driver and
RF field strength meter
XTR101 bridge input voltage excitation circuit diagram



Top