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Part Number: LM318-N
The schematic below is circuit for a measurement control application, one of my main customers.
It seems blurry because resolution is not good, but please ask for a review.
Regards,Ronald MichallickLinear Applications
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In reply to Ron Michallick:
In reply to TS Yang:
I would need to know the input signal to know what op amp would work well.
The marked out capacitor is bad for stability.
thnaks for your help.
Below is more detail infomations.
U12, U11 component margin review
- Proceed with component margin review through waveform measurement in normal circuit.
1) Waveform measurement and margin check for U12 part
(RMS, MAX, P-P, MIN is measured value.)
* Input range calculation
1) midium value of VCC : -9.7V((-24.4+5)/2)
2) Maximum range of VCC
- VCC+ : -9.7 + 20 = 12.3V
- VCC- : -9.7 - 20 = -29.7V
3) Maximum range of VIN
- VIN+ : -9.7 + 15 = 5.3V
- VIN- : -9.7 - 15 = -24.7V
Oscilloscpe capture for each pin of U12
2) Waveform measurement and margin check for U11 part
Perhaps this is my last question regarding this issue,
As you mentioned in the previous answer, you said that "The best capacitance is no capacitance. This is true of almost all op amps."
Can you explain this in more detail?
If you have any material or documents related to this, please share it.
Any advice is welcome.
I suggest the stability section of the precision labs vides for op amps.
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