Geoff That's the way the NB in my old Kenwood TS180 worked. It has an 8 MHz 1st IF, and the NB pickoff is before the 8 MHz crystal filter, as I recall. The NB is tunable with a front panel control to allow you to move away from an interfering signal. 73, Bob N6WG
-------------- Original message -------------- > Greetings Folks, > > An "Evasive" noise blanker is on my wish list. This is the system where the > noise blanker receives noise from "out of band" and none of its circuits > (except for its input "tap off" and the IF Gate) are in the main signal > path. Best done when you can tune the noise blanker receiver a little to > avoid strong out of band signals (ie evasive). The result is that your > crosstown "friend" at S9++ and 1 kc up does not "key" the noise blanker. The > idea has been around for a long time, Collins used it but they picked up > noise at low VHF. Bit more complex but it really pays off I've found. > > 73, > > Geoff. > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
