TopBand: High Input Intercept SMD Devices
David Blaschke
w5un@wt.net
Thu, 09 Apr 1998 15:45:59 +0000
At 08:20 4/9/98 +0000, you wrote:
>20 dB NF amp is good enough (even on a quiet winter
>night).
>
>73, Tom W8JI
>w8ji.tom@MCIONE.com
>
Tom, I hope you meant 20 db gain. I'm not sure a preamp with a noise figure
of 20 DB (at 1.8 mhz) is wise. What is the noise figure on 160 for the
typical receiver? Probably less than that. Ambient noise is certainly
predominating in most cases.
73, Dave - W5UN w5un@wt.net
homepage: http://web.wt.net/~w5un
phone: (281)331-4200 9102 Kings Drive
Manvel, TX 77578
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