[HBR] IF's winding

[Brian Ford]

I've a supply of unknow IFT's from junk radios,  A few has no cores,  the majority have cores,  Since i finally bought an AADE meter, I think i can do a series of measurements as i wind a winding.  Perhaps i'm wrong, But i would like to use them.  Keith.
 http://sites.google.com/site/kshamradioparts/ 



----- Original Message ----
From: Kees & Sandy <windy10605 at juno.com>
To: hbr at mailman.qth.net
Sent: Tue, December 1, 2009 11:20:00 AM
Subject: Re: [HBR] IF's winding

Also one of the very best sources for good IFs are the 50Khz units from a BC-453 receiver.
73 Kees K5BCQ

---------- Original Message ----------
From: bignick at execpc.com
To: "HBR Receiver List" <hbr at mailman.qth.net>
Subject: Re: [HBR] IF's  winding
Date: Tue, 1 Dec 2009 12:02:50 -0500 (EST)



Keith,

Yes, I have sucessfully wound some I.F. coils .. but
I'll need to find the
photographs.  They were on my old server
and are now gone :-(

It was for an AM radio project
though.  My concern would be getting the
coupling correct for
something as critical as the HBR-16.

Here's a link to a YouTube
video of my coil winder:

http://www.youtube.com/watch?v=FIOocMoRsYQ

--Big Nick  KC9KEP


>  I'm
finishing up my Hb coil master,  Ater a fruitless search of a pics

> of a Morris, ( with some item in the pic to get
measurements,)  and to 
> cheap to buy the gingery
book,  I guessed at the dimemsions,  I used 
> friction
drive while i do some study on gears. 
> 
> But to the
point,  I want to try to wind some If's, has anyone done this? 

> or perhaps know of a ready soure of info?  My older
handbooks are Berift 
> of any info of this depth. 
> 
> Keith. 
>
http://sites.google.com/site/kshamradioparts/ 
> 
>

> 
>
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