[FoxHunt] Attenuator

Bruce [email protected]
Tue, 23 Apr 2002 19:59:36 +1000


On Tuesday 23 April 2002 15:50, you scribbled:
> >Dale, can you explain the advantage of the double balanced mixer...

>     The primary advantage of the balanced mixer is a reduction
> in interference and stray images from other services.  Sure, you
> can still hear signals off by a multiple of the clock oscillator,
> but the number of possible mixing products due to multiple strong
> signals is reduced.  And, unlike some commercial attenuators, I
> have no problems hunting signals on harmonics of the offset
> oscillator frequency.

I think they also have much better carrier rejection, and therefore less
of the on-frequency signal goes through to the receiver in this
offset oscillator application ?

--=20
Cheers,
Bruce                                          ICQ: 32015991