Cw Keyer


Posted on Jun 22, 2012

This electronic keyer uses four ICs (five, if the optional sidetone oscillator is desired) and operates from dc sources of 9 to 15


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

V. A 2N2222 is used as a keying transistor. If isolators or more power handling ability is desired, a 6-V relay can be keyed with the 2N2222 and the relay in turn can be used to key the transmitter.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Crossfeed Headphone Amplifier
Leading-edge-delay
Rf-Type Battery Charger Circuit
American Police Car Siren by IC 555
Simple Voltmeter
Oscilloscope Clocks
The Emperors New Amplifier
Voltage differential negative feedback circuit
CJ-12 Excitation circuit transfer machine
Clamp stay current probe compensator



Top