Continue to Site

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.

Digital buffer - why the shunt resistor is used?

Status
Not open for further replies.

redapplepie

Newbie level 4
Joined
Jul 16, 2007
Messages
7
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,326
digital buffer output impedance

A digital buffer is always made by two cascaded cmos inverters.
I can always see that a shunt feedback resistor is usually connect from the output of the first inverter to its input.
I want to know why the shunt resistor is used? What's its purpose?
 

Re: Digital buffer

Shunt resistor is used to make the first inverter operate like amplifier.
 

Digital buffer

it is used to prevent the occurence of metastable state in the inverters by the usage of feedback... also it increases the current sourcing ability of the buffer and decreasing the output impedance...
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top