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

Subject: Re: [Amps] how to bias a Tek 575 for a MRF150
From: Radio WC6W <>
Date: Mon, 4 Jun 2007 08:42:39 -0700 (PDT)
List-post: <>
Hi Dan,
  Upgrade to a Tek 577... 


  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

73 & Good morning,
  Marv WC6W


--- Dan Sawyer <> 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

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