Is there a current source for narrow crystal front end filters, like the ones
Sherwood marketed in the late 70's? For 160M, they were 5KHz wide,
selected by center frequency.
I don't see mention of them in the current Sherwood literature.
73,
Jeff Maass (jmaass@freenet.columbus.oh.us) Amateur Radio K8ND
USPSA/IPSC # L-1192 NROI/CRO NW of Columbus Ohio
25000 Members in 2000!
--
FAQ on WWW: http://www.contesting.com/topband.html
Submissions: topband@contesting.com
Administrative requests: topband-REQUEST@contesting.com
Problems: owner-topband@contesting.com
|