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simulate bode plot of a current feedback amplifier

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chippendale

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Hi,
how do I simulate a bode plot of a current feedback amp (cfa)? The known testbench from the vfa doesn't work because of the feedback resistor.
 

chippendale said:
Hi,
how do I simulate a bode plot of a current feedback amp (cfa)? The known testbench from the vfa doesn't work because of the feedback resistor.
Click to expand...

Please, be more specific. What do you want ?
1) Just the pure CFA (without feedback)?
2.) Loop gain for CFA with feedback?
3.) Gain for CFA with closed feedback loop ?
 

hi,
I just want to simulate the bode plot for open loop and close loop. Closed loop means a specific feedback resistor and a special gain resistor.
 

chippendale said:
hi,
I just want to simulate the bode plot for open loop and close loop. Closed loop means a specific feedback resistor and a special gain resistor.
Click to expand...

OK, and what is the problem ? In both cases you can use the normal simulation setup from voltage opamps.
 

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