The Designer's Guide Community
Forum
Welcome, Guest. Please Login or Register. Please follow the Forum guidelines.
Oct 13th, 2019, 8:29pm
Pages: 1
Send Topic Print
Lna unconditional stability (Read 920 times)
engrvip
Junior Member
**
Offline



Posts: 11

Lna unconditional stability
Jul 24th, 2017, 5:53pm
 
Hi

What does unconditional stability of lna implies. Does it mean lna will be stable for all positive input and output impedances or will be stable for wide range of frequency beyond operating frequency or BOTH.

If my source and load impedances are fixed to 50 Ohm then what should be criteria for unconditional stability?

Regards
Engrvip
Back to top
 
 
View Profile   IP Logged
SantoS_Nano
Junior Member
**
Offline



Posts: 13

Re: Lna unconditional stability
Reply #1 - Nov 27th, 2017, 1:33am
 
Hi,

both conditions (impedance and frequency).
As source and load impedances are 50 Ohms, for unconditionally stable, the circuit should be stable form DC to 2f (twice of the operating frequency atleast). K>1

Thanks
Back to top
 
 
View Profile   IP Logged
Pages: 1
Send Topic Print
Copyright 2002-2019 Designer’s Guide Consulting, Inc. Designer’s Guide® is a registered trademark of Designer’s Guide Consulting, Inc. All rights reserved. Send comments or questions to editor@designers-guide.org. Consider submitting a paper or model.