Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronic 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.

Register Log in

negative resistor realization?

Status
Not open for further replies.

iamxo

Full Member level 4
Joined
Mar 22, 2006
Messages
227
Helped
16
Reputation
32
Reaction score
4
Trophy points
1,298
Location
Southeast Asia
Activity points
2,495
negative resistor

can anyone help me?

I know positive feedback is a realization, but if I want to use fully differential structure, is it the same as single ended?
 

ieropsaltic

Full Member level 4
Joined
Sep 25, 2006
Messages
199
Helped
64
Reputation
128
Reaction score
18
Trophy points
1,298
Activity points
2,595
You can use a differential cross coupled pair, i.e 2 transistors with their sources connected together and biased with same current source and the drain of each transistor connected to the base of the other one. You can refer to "RF microelectronics" by Razavi, the oscillators chapter for more details.
 

Sadegh.j

Advanced Member level 3
Joined
Nov 29, 2006
Messages
754
Helped
48
Reputation
98
Reaction score
15
Trophy points
1,298
Activity points
5,596
I am having a little problem understanding your question. please explain more
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top