10 nonlinear Circuits

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10? nonlinear Circuits
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Ideal Rectifier
OP amp. output is 0.6V higher then Vload
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Peak detector
Error in the hold mode droop rate input
bias current reverse bias leakage through the
diode
High impedance buffer
Film capacitor
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Ex. QRS detection from ECG signal
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ECG amplifier and QRS detection Circuit
ECG Amplifier
Inst. Amp.
60Hz notch filter
Low pass filter
A/D
Micro processor
High pass filter
Photo Iso- lator
Protection
RA
LA
RL
QRS detection
Power Supply
Photo Iso- lator
17Hz Band pass filter
Adaptive comparator
Full Wave rectifier
Step Up Reg.
Power splitter
3.6V Li-ion
5V
2.5V
Isolation
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Differential and Instrument Amplifier
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0.1uF
160Hz
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100Hz low pass filter
0.5Hz high pass filter
Single OP amp high Q notch filter
60Hz notch filter
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Precision rectifier
17Hz bandpass filter
Adaptive threshold comparator
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Transfer curve synthesizer
Horizontal axis ? input, Vertical axis ?
output Nonlinear transfer curve of transducer ?
Linear response
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True RMS converters
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Logarithmic and Antilogarithmic Amplifiers
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Multiplier Applications
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