Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

900M LNA, Common source or common gate?

Status
Not open for further replies.

fxxjssc

Member level 4
Joined
Jan 6, 2006
Messages
79
Helped
2
Reputation
4
Reaction score
0
Trophy points
1,286
Activity points
1,879
Dear all,
I want to design a LNA with spec. as following. Please give me some
advice about which type of LNA should I choose. Of course, other advice are
all welcome. Thanks ahead.
freq: 800M~950M
gain: 15db
NF: <4db
power: as less as possible
IIP3: 5dbm
process: CMOS TSMC0.18u
Main spec. above.
Could anyone give me some design example?

Best wishes
Jason
 

khouly

Advanced Member level 5
Joined
Oct 20, 2003
Messages
2,368
Helped
461
Reputation
916
Reaction score
101
Trophy points
1,343
Location
EGYPT
Activity points
13,244
this results could be achived wih common source toplogy

khouly
 

fxxjssc

Member level 4
Joined
Jan 6, 2006
Messages
79
Helped
2
Reputation
4
Reaction score
0
Trophy points
1,286
Activity points
1,879
Dear Sarma and Khouly,
About IIP3 5dbm, is that not easy to achive
with common source structure?
Thanks
 

khouly

Advanced Member level 5
Joined
Oct 20, 2003
Messages
2,368
Helped
461
Reputation
916
Reaction score
101
Trophy points
1,343
Location
EGYPT
Activity points
13,244
mmm , don't know , u need to check and try to do some manual calculations , but if u use some sort of sorce degeneration u mat get this vaule , but sure the gain will be less

khouly
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top