[CQ-Contest] Bandpass filters for M/S or M/M environment

[David Robbins K1TTT]

You could rewire the 419a's for either source or sink if you wanted to.
There is nothing fancy in them for switching, just standard relays.


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: cq-contest-bounces at contesting.com [mailto:cq-contest-
> bounces at contesting.com] On Behalf Of David Hachadorian
> Sent: Friday, June 11, 2004 02:43
> To: cq-contest reflector
> Subject: Re: Re: [CQ-Contest] Bandpass filters for M/S or M/M
environment
> 
> 
> ----- Original Message -----
> From: "Alfred J. Frugoli (KE1FO)" <frugoli at worldlinkisp.com>
> To: "cq-contest reflector" <cq-contest at contesting.com>; "David
> Hachadorian" <K6LL at adelphia.net>
> Sent: Thursday, June 10, 2004 7:03 PM
> Subject: Re: Re: [CQ-Contest] Bandpass filters for M/S or M/M
> environment
> 
> 
> > the two 419A's I just hooked up required sinking to ground to select
> the band
> 
> You're right. The ICE filters require a ground.
> The Dunestars can be rewired for either a ground or +12VDC.
> 
> Sorry for the confusion.
> 
> Dave Hachadorian, K6LL
> Yuma, AZ
> 
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