Simple LF converter


Posted on Jun 30, 2012

This converter allows coverage from 25 kHz up to 500 kHz. Use short coax from the converter to receiver antenna input


Simple LF converter
Click here to download the full size of the above Circuit.

Tune the receiver to 3 MHz, peak for loudest crystal calibrator and tune your receiver higher in frequency to 3 MHz and you"re tuning the 100 kHz range. 3 MHz puts you at 200 kHz, 3 MHz equals 300 kHz, 3 MHz yields 500 kHz, and 4 MHz gives you 500 kHz.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

8051 USB PROGRAMMER
robot guts
Electronic Doorbell Circuit
LM317 Voltage Regulator
Build a USB Powered AA NiMH and NiCd Battery Charger
Auxiliary power supply circuit using variable speed
DC-coupled single-tube amplifier
Bridge voltage regulator circuit diagram using the



Top