Ralph wrote:

You are working at it wht wrong way. The three things you mentioned do not
go together. What you want is somthting with strong signal handling and low
noise. You use just enough gain to override the mixer noise. Then make up
the gain at the IF stages after the filters.


Not really. What you say is the general "wisdom".
I want low noise, high (adjustable) gain preselector. Something with below 0.1
uV. There are situations when that is needed (small loops receiving antennas,
Beverages on low bands, etc.) The gain should be adjusable so it is (band
noise) just above the noise threshold of the mixer for particular antenna/band
situation.

At the same time have high dynamic range to handle strong signals S9+60dB
without overload.

Way back I modified Drake R4B by putting 6EH7 as preselector with separate RF
gain control. It worked very well and it is still hard to beat.

Yuri, www.K3BU.us