Comparator

paladugu · Jan 30, 2006

Hi Everybody,

Can any one send me a desing of a high precision Comparator. I am unable to find a good circuit.It would be great if some one send me a project to the following address.

pavan_p1@yahoo.com

Thank You,
pavan

Russlk · Jan 31, 2006

How high is "high"? What is the power supply, load, speed, etc?

paladugu · Jan 31, 2006

These are the details of the comparator

Code:

CP01 High Performance Comparator

Description: small ( npn, pnp) general purpose Comparator.
Bandwidth: 35MHz
Risetime: 8nS
Gain: 52dB
Ibias: 5uA
Vout: 0.4 to 5V
Input CM Range: +/- 2.5V
PSSR: 70dB
CMRR: 80dB (f<5MHz)
Vos: 2mV (3 sigma)
Power Supplies: +/- 5V
Power Dissipation: 36 mW

Roff · Jan 31, 2006

paladugu said:
These are the details of the comparator

Code:

CP01 High Performance Comparator

Description: small ( npn, pnp) general purpose Comparator.
Bandwidth: 35MHz
Risetime: 8nS
Gain: 52dB
Ibias: 5uA
Vout: 0.4 to 5V
Input CM Range: +/- 2.5V
PSSR: 70dB
CMRR: 80dB (f<5MHz)
Vos: 2mV (3 sigma)
Power Supplies: +/- 5V
Power Dissipation: 36 mW

Sounds like a homework assignment.

paladugu · Jan 31, 2006

Its not an Homework problem
I am doing this project for a client
but the thing is i have never done comparator.

Roff · Jan 31, 2006

paladugu said:
Its not an Homework problem
I am doing this project for a client
but the thing is i have never done comparator.

OK. Are you planning on using discrete transistors, or is this an integrated circuit?
LM360 is very close to what you are looking for, and it already exists.

akg · Feb 1, 2006

paladugu said:
Its not an Homework problem
I am doing this project for a client
but the thing is i have never done comparator.

out of curiosity .. y u re-invent the wheel??

Nigel Goodwin · Feb 1, 2006

paladugu said:
Its not an Homework problem
I am doing this project for a client
but the thing is i have never done comparator.

I agree that it looks like a homework assignment, I can't see any client giving such a project in such a way - and if they did?, I would tell them to go else where!.

audioguru · Feb 1, 2006

I betcha that the client is a student. :lol:

Styx · Feb 1, 2006

audioguru said:
I betcha that the client is a student. :lol:

dont you mean the client is the teacher lol

paladugu · Feb 2, 2006

Thanks to all the members who has participated in this post.

I am able to design the circuit.

Roff · Feb 2, 2006

He just needed to be pointed to the LM360. :lol:

Comparator

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