[Elecraft] Re: K3 - First IF

[wayne burdick]

gregory.beat at comcast.net wrote:

> AM i the first person to notice that the 8215 kHz IF is the same as 
> the Yaesu FT-1000 (and FT-102).  The original FT-102 Japanese designer 
> later designed the FT-1000.
>
> Why do I think Doug DeMaw, W1FB (sk)  is smiling about this?
> (Who commented in his review -- that the FT-102 was best receiver he 
> had ever used - at that time)


We chose 8215.0 MHz as a first I.F. because it's low enough to allow 
the construction of narrow crystal filters, yet high enough to provide 
good image rejection in an HF-6 meter transceiver. INRAD also stocks a 
variety of high-performance filters at this frequency, which made it 
easier for us to do initial test. We tested our conversion scheme based 
on this I.F. extensively and found that it's also excellent from the 
standpoint of minimizing spurious responses.

73,
Wayne
N6KR


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