[FoxHunt] active atten

sdonnell [email protected]
Wed, 27 Mar 2002 02:23:47 -0500


Hi Mike, YES  I would be quite interested in getting more details about your Active
Attenuator w/ LF gating. Thanks
 Steve    DE WA1YKL

"Michael J. Miller" wrote:

> I have developed an 'improved' active attenuator for our local club.
> It is simple to build, using one CMOS IC, a crystal, single diode mixer and a pot.
> The improvement is mainly the addition of a 2 Hz oscillator gating the 1 MHz
> oscillator.  This really helps to distinguish between an unmodulated signal and the
> noise floor in an FM receiver.