SB-300 sensitivity

[Kenneth G. Gordon]

On 25 Apr 2006 at 21:17, Michael Waldrop wrote:

>   did notice the sensitivity of the SB-300 is rather low. Using an
>   dual trace O'Scope I looked at the signal output of the first mixer
>   stage, the input to the sideband crystal filter, and the output of
>   the crystal filter that feeds the first IF amp. The display showed a
>   strong signal at the filter input. However, at the filter's output
>   the signal was not near as strong as the input of the filter.

My SB-301 is very sensitive. At least as sensitive as any other good 
receiver I have had, and better than some.

It sounds to me as though your filter is bad, or perhaps the signal input 
to the filter is off frequency. Have you checked the frequency?

Ken Gordon W7EKB

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