[ARC5] 80 KHZ IF

[Dennis Monticelli]

Not at all uncommon for the high-end of a model range in that era to have a
low final IF.   Those short wave radios were double and sometimes triple
conversion.  I used a Hammalund HQ-170 way back when that had triple
conversion with IFs of 3035, 455, and 60.

Dennis AE6C

On Tue, Feb 2, 2021 at 5:53 AM Robert Eleazer <releazer at earthlink.net>
wrote:

> I recently augmented my collection of National receivers with an NC-300.
> I previously have done quite a lot with the Cosmic Blue series of
> receivers, specifically the NC-155, NC-270, and NC-190, and was quite
> surprised to see that while the NC-300 had the same first IF as those other
> sets, 2215 KHZ, it has an 80 KHZ 2nd IF.
>
> Of course I at once thought of the BC-453 and similar command sets, with
> its 85 KHZ IF.  I had no idea that any HF receiver used that low an IF.
> How common is this?  Was the BC-453 use as Q5er the inspiration for this?
>
> Wayne
> WB5WSV
>
>
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