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Fet with positive common gate

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shermaine

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Hi,

May i kow the load and source reflection coefficient to satisfy for steady state oscillation conditions?

And may i know how does a diagram of transistor oscillator circuit with common gate looks like, with positive feedback?
 

Hero999

Banned
Sorry I don't know what you're talking about, please be more descriptive.
 

shermaine

New Member
I have got the following question:
The S paramters of a FET with a positive feedback in common gate configuration are measured at 5Ghz and have the following values:

S11 = 1.01 /_ 160 degree
S21 = 2 /_ - 33 degree
S12 = 0.3 /_ 140 degree
S22 = 1.4 /_ - 34 degree

May i kow the load and source reflection coefficient to satisfy for steady state oscillation conditions?

And may i know how does a diagram of transistor oscillator circuit with common gate looks like, with positive feedback?
 

Hero999

Banned
Please post a schematic, you might get more help that way.
 

Hero999

Banned
How do you know what she'd talking about?
 
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