op-amps (2). non-inverting amplifier design problem design a non-inverting op-amp with a gain of 6....
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Op-Amps (2)
Non-Inverting Amplifier
Design Problem
• Design a non-inverting op-amp with a gain of 6.
• What is the approximate power supply if Vin must be kept between -1.5 V to 1.5 V?
Annotation
Non-Inverting Amplifier
VCC=9VVEE=-9 V
VIN=0.5 VVOUT=3 V
Set Up the Simulator for DC Sweep
Probe PlotRight Click on the line, copy to the clip board, Paste data to an editor
Add a port before running the DC Sweep
Data exported to a file
Saturation
Gain of 6!
Difference Amplifier
Design Problem
• Design this amplifier for a gain of 8• If VA is fixed at 1V and that power
supply is +- 9V, what is the range of input voltage?
Difference Amplifier
Vout Versus VB
VA is held at 1 V
Vout Versus VB
What is the gain of thisamplifier?
Instrumentation Amplifier
Application: ECG Circuits
Power line noise at 60 Hz.
ECG Signal on Oscilloscope
3 Bit Digital to Analog Converter
741 Op-AmpChapter 5
Thevenin Equivalent Circuit