[HBR] BC453 IF transformers in HBR11

[B. Smith]

   I've made some note on those coils , see:
http://k4che.com/HBR/HBR%20page%201.htm
k4che



On 1/26/2018 12:10 AM, Scott McDonald via HBR wrote:
> As luck would have it, a friend was nice enough to provide some 85 khz IF transformers so I can start building an HBR11.
>
> I’ve read a couple of good references about testing and using these transformers but am not sure whether
>
>   1) I need to use the BC453 input transformer for the first IF transformer, or whether I can used one of the tapped second or third BC453 transformers as the first IF transformer; and
>
> 2) there is any difference between the second and third BC453 transformers that is material to their use in an HBR.
>
> Questions arise because I have what appears to be one good 1st IF transformer and three good third IF transformers.
>
> Any thoughts very much appreciated.
>
> 73 Scott ka9p
>
>
>
> Sent from my iPad
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