Amps
[Top] [All Lists]

[AMPS] parasitic suppressors

To: <amps@contesting.com>
Subject: [AMPS] parasitic suppressors
From: measures@vc.net (Rich Measures)
Date: Tue, 9 Sep 97 11:29:27 -0800
>Looking at the N7WS figures,  the thing that strikes me is the way the
>shunt resistance is increasing on the nichrome resisitors with
>frequency. ........snip........
>
>On a different tack, anyone any experience with 4CX1000A's (at HF) and
>parasitics?
>
It might be a good idea to provide a low L path between the grid terminal 
on the socket, the grid termination R and RF-ground.  The reason:   the 
tube has feedback C between the anode and the grid. A low Z path between 
the grid and RF-ground helps reduce the amount of VHF fed back to the 
grid.  
Rich---

R. L. Measures, 805-386-3734, AG6K   


--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm

<Prev in Thread] Current Thread [Next in Thread>