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Re: [Amps] Help Please: Power Amplifiers @ 100MHz

To: amps@contesting.com
Subject: Re: [Amps] Help Please: Power Amplifiers @ 100MHz
From: "Will Matney" <craxd1@verizon.net>
Reply-to: craxd1@verizon.net
Date: Fri, 24 Mar 2006 13:54:00 -0500
List-post: <mailto:amps@contesting.com>
Manish,

See below;

*********** REPLY SEPARATOR  ***********

On 3/24/06 at 5:51 PM cm215@greenwich.ac.uk wrote:

>Hello Gents
>
>I am trying to build a 100 - 200 MHz Power Amplifier using a MOSFET
>(Philips 
>BSS83). However when I tried testing the amp, I could not get anything at
>the 
>output. During simulation everything went to plan.
>
>The circuit is really simple with a voltage divider being used to bias the 
>gate. (high input impedance 100k and 45k).
>
>I am also using 100uF capacitors to uncouple and to couple my circuit. Are 
>these values to high? (My calculations show the caps should go short
>circuit 
>which should not cause me any problems)


You mean the coupling caps for RF in and RF out? Or using them as a voltage 
block? If so, you only need a few pF to achieve this at that frequency I'd say.


>
>Any comments will be welcomed.
>
>Cheers
>Manish
>
>
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