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[AMPS] Switches

To: <amps@contesting.com>
Subject: [AMPS] Switches
From: w8ik@subich.com (Joe Subich, K4IK)
Date: Thu, 12 Oct 2000 19:43:29 -0400

Of course a regulated screen voltage is required with the 
tetrode ... wouldn't do it any other way. 

However, would it still not be possible to use the same 
inductor between the tube and tuning cap on a couple of 
adjacent bands, e.g.. 17/15, 12/10, etc.?  That might get 
the requirement down if the input used a more complex 
filters. 

As an alternative, would it not be possible to use a
 single inductor appropriate for 6 or 10 and leave it in 
place on all bands since it becomes progressively "smaller" 
as one moves down in frequency?  


> -----Original Message-----
> From: Tom Rauch [mailto:w8ji@contesting.com]
> Sent: Thursday, October 12, 2000 6:57 PM
> To: Joe Subich, K4IK
> Cc: amps@contesting.com
> Subject: RE: [AMPS] Switches
> 
> You'd still need a vacuum cap...or else have to switch an inductor 
> between the tube and the tank on almost every band....to get 
> decent performance from 160-6 meters.
> 


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