[Heathkit] HR-10 Improvement on 10/15 ?

[Paul Baldock]

At 02:57 PM 11/25/2011, MICHAEL TALLENT wrote:
>It would be easier to add the FET amp where the received signal goes to the
>mixer grid, you have the benefit of 2 stages of selectivity in the first RF
>stage and just adding some broadband gain might be enough to help on the
>higher bands.


It would need a lot of gain which I think that would overload the 
mixer stage given that the LO 2nd harmonic is so low. So I think I 
have to work on the real problem of not enough injected LO.

Thanks for your thoughts.

- Paul