On Mon, 8 Jul 2002, Jim wrote:

>.5 dB NF?
>
>Why all that trouble for HF?
>
>Isn't your ambient noise (atmosphereic, man-made, etc)
>going to swamp your preamp nose by a good margin?
>
>(Maybe this isn't for use in free-space, eh?)
>
>BTW - if you have to 'fix the matching' - that will,
>in most designs, also affect the 'noise'. There is
>something called 'best noise match' and it doesn't
>always follow the best 'match' or gain point ...

May I ask your opinion on adjusting input match for best S/N using a
noise bridge and examining the output only (i.e. no expensive equipment) ?

Peter

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