At 2/14/2005 01:43 PM, you wrote:
>Hi Mike,
>
>I sent you those antenna pdf's the other day, you should
>have them now....
>
>Anyway, not everything you hear and read is golden from
>everyone. I really think a lot of and own some of Chip's
>UHF Preamps, but I don't agree with some of his statements
>regarding VHF-band preamp systems, so I simply do my own
>thing. He stands on VHF bipolar preamps, I use and enjoy
>GasFets and Phempt devices.
>
>cheers,
>skipp
Added noise will always degrade the S/N. The question is would it even be
noticeable given the dominant noise floor on 2 meters. Here in the LA
basin it can be at least 3000 K, so an extra 150 K of preamp noise isn't
going to be too noticeable.
If you can hear a difference between a GaAsFET & a JFET preamp on a
real-world VHF system, consider yourself lucky: you live in a low-noise
environment.
Bob NO6B
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