Amps
[Top] [All Lists]

Re: [Amps] how to bias a Tek 575 for a MRF150

To: dansawyer@earthlink.net, amps@contesting.com
Subject: Re: [Amps] how to bias a Tek 575 for a MRF150
From: Radio WC6W <wc6w_amps@yahoo.com>
Date: Mon, 4 Jun 2007 08:42:39 -0700 (PDT)
List-post: <mailto:amps@contesting.com>
Hi Dan,
  Upgrade to a Tek 577... 

  or...

  use a floating bias supply for the offset, perchance
a Lithium battery connected to a small pot bypassed
with a suitable capactior, in series with the gate
lead. 

73 & Good morning,
  Marv WC6W

http://wc6w.50webs.com/

  


--- Dan Sawyer <dansawyer@earthlink.net> wrote:

> All,
> 
> I would like to use a Tek 575 to test several
> MRF-150 devices. The issue 
> seem to be the gate bias and gate step are coupled.
> That is the bias 
> range increases with the bias step value. The result
> is when measuring 
> lower step values the bias range is insufficient to
> turn the device on. 
> At higher step values the device is overdriven.
> 
> Does anyone have a suggestion?
> 
> - Dan
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
> 



 
____________________________________________________________________________________
Don't pick lemons.
See all the new 2007 cars at Yahoo! Autos.
http://autos.yahoo.com/new_cars.html 
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

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