[HBR] 85 Kc Ifs at that watery place - wind your own

[Peter Bertini]

Another source is scrapped Hallicrafter receivers.  I've seen the IF cans
and conversion osc/mixer doghouses on ePay, usually from SX-101 or similar
sets. Another bonus is being able to duplicate the Haliicrafters adjustable
IF BW by copying the schematic.

Pete k1zjh

On Fri, Feb 13, 2015 at 9:02 AM, Bill Cromwell <wrcromwell at gmail.com> wrote:

> Hi Stan,
>
> We really can wind our own. There are several web pages describing various
> ways to do it. Martin has pointed at the bugaboo. At low IF frequencies
> such as 455 kc or even lower at 85 kc there are a lot of turns of very fine
> wire. How much patience do you have?
>
> There *are* hams who have done it. I have unwound 455 kc cans (counting
> turns) and then rewound for a different range. I didn't need bifocals at
> the time and there were *NO* IF cans available for the frequency I wanted.
> The IF transformers I wound pretty much worked but it took a long time and
> a sore neck to complete.
>
> Martin mentioned the coil winder and if I was going to wind coils in those
> frequency ranges again I would acquire one. There are plans on the web to
> build your own.
>
> 73,
>
> Bill  KU8H
>
>
> On 02/13/2015 08:31 AM, Stan McIntosh wrote:
>
>> Just how much trouble are we asking for if we try to custom-wind a can for
>> a given frequency?  Sure, I know how to use a dip-meter, but a friend
>> years
>> ago gave me a baggie full of unassembled IF cans... including empty
>> bobbins
>> for the wire.
>>
>> Regards,
>> Stan
>> kd4bth
>> ______________________________________________________________
>>
>>
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