[ARC5] ARC-5 IF transformer IDs

[Ian Wilson]

Good points, Ken.

If anyone would like one or two 7276 (1415kc, 3rd IF) they are available for
postage (or trade for any of the CW osc coils).

73, ian K3IMW

On Sat, Jul 18, 2009 at 9:13 AM, Kenneth G.
Gordon<kgordon2006 at verizon.net> wrote:
> On 18 Jul 2009 at 8:26, Ian Wilson wrote:
>
>> Thanks for those who pointed out that these are ARC-5 part numbers
>> (blush). Now I'm trying to think of something useful to do with an
>> excess of 1415kc 3rd IF transformers.
>
> There are several Handbook receivers that use a 1700 Khz
> IF, and "band-imaging", covering both 80 and 40 meters
> with a single-band 5.2 - 5.7 Mhz VFO, and those
> transformers are literally SNAPPED UP by those of us who
> want to build those little rigs.
>
> The 1415 Khz IF transformers can be very easily "tweaked"
> to 1700 Khz.
>
> 5.7 - 1.7 = 4.0, 5.2 - 1.7 = 3.5, 5.7 +1.7 = 7.4, 5.2 + 1.7 =
> 6.9.
>
> A couple of versions of this receiver are capable of single-
> signal reception.
>
> You could also tweak them to 1500 Khz, and use a
> Heathkit 5.0 - 5.5 Mhz VFO to build a dandy 80 meter
> receiver, then use some converters with it.
>
> Ken Gordon W7EKB
>