[TenTec] Re: 1 kHz IMD with Preamp ON/OFF

[Bill Tippett <btippett@alum.mit.edu>]

S56A wrote:
>It is difficult to achieve 1 kHz filter shape factor better then 1:3 at 9
MHz.

        Really?  It must be much easier for other bandwidths...  ;-)

                                                73,  Bill  W4ZV

http://www.qth.com/inrad/tentec_menu.htm

Filter          6 db BW Shape Factor
Inrad 760               315             2.2:1
Inrad 759               455             2.1:1
Inrad 761               1913            1.7:1

http://www.qth.com/inrad/tentec_menu.htm

TenTec 219      250             2.4:1
TenTec 217      500             2:1
TenTec 218      1800            1.8:1

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