while we're on this topic, does anyone know the difference between the
ICE 419, 419A and 419B?
Mark n2qt
----- Original Message -----
From: "Dave Hachadorian" <K6LL@ARRL.net>
To: "cq-contest reflector" <cq-contest@contesting.com>; <n3rd@arrl.net>
Sent: Sunday, July 27, 2008 3:54 PM
Subject: Re: [CQ-Contest] ICE 419 Schematic
> You're right. The question comes up every few years, and
> nobody has ever produced a schematic.
>
> If you slide the unit out of the case, you can easily see
> how it is put together. Basically, there are 6 bpf's in
> series. The ones that are not activated are bypassed by
> normally-closed relay contacts. The bpf that IS activated
> has the relay pulled in, putting the filter in line. The
> discrete components for each bpf are easily visible, and can
> be easily worked on.
>
> I have the capacitor values if you need them.
>
> Dave Hachadorian, K6LL
> Big Bear Lake, CA
>
>
>
> ----- Original Message -----
> From: "Dave Hawes" <dave.n3rd@verizon.net>
> To: <cq-contest@contesting.com>
> Sent: Saturday, July 26, 2008 4:51 PM
> Subject: [CQ-Contest] ICE 419 Schematic
>
>
>> This question seems to come up every few years, and it's
>> been a
>> while, so I'll ask.
>>
>> Can anyone supply a copy of the ICE 419 schematic diagram?
>>
>> I have the external connections, but need to see how it's
>> wired
>> internally.
>>
>> Thanks and 73 - Dave N3RD
>> _______________________________________________
>> CQ-Contest mailing list
>> CQ-Contest@contesting.com
>> http://lists.contesting.com/mailman/listinfo/cq-contest
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
>
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest
|