Lecture_35

# Lecture_35 - A CL(dB f 3 dB(Hz A 1(0 dB B 10(20 dB C 100(40...

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Circuit Gain vs. Frequency EE 310 Lecture 35 Lecture 35 Page 1

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Interpretation Characteristic Device Circuit Gain Gain vs. Frequency Gain at DC Break Frequency Unity-Gain Frequency O _ + I R 2 R 1 + - v I 1 v I 2 v O A OL Device Circuit EE 310 Lecture 35 Lecture 35 Page 2
Graphical Interpretation of Op-Amp Frequency Response Plot the circuit’s response for noninverting closed-loop gains of 1, 10, 100, and 1000 V/V (0, 20, 40, and 60 dB) LM741 Device Characteristics: A 0 = 100 dB (1 x 10 5 ) f PD = 10 Hz f T = A 0 f PD = 1 MHz O _ + I R 2 R 1 1 10 100 1k 10k 100k 1M 10M Frequency (Hz) Gain Magnitude vs . Frequency Magnitude (dB) -20 +20 0 +40 +60 +80 +100 Curve

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Unformatted text preview: A CL (dB) f 3 dB (Hz) A 1 (0 dB) B 10 (20 dB) C 100 (40 dB) D 1000 (60 dB) EE 310 Lecture 35 Lecture 35 Page 3 Speed Limitations in Op Amps (Slew Rate) +-v O v O t EE 310 Lecture 35 Lecture 35 Page 4 Origin of Slew-Rate Limitation EE 310 Lecture 35 Lecture 35 Page 5 Slew-Rate Calculations A 741 Op Amp has a slew-rate limit of 0.63 V/μs. If the amplifier delivers an output signal of 10 V peak at f = 20 kHz, is the output undistorted or is it slew-rate limited? EE 310 Lecture 35 Lecture 35 Page 6...
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## This note was uploaded on 10/12/2010 for the course E E 310 at Penn State.

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Lecture_35 - A CL(dB f 3 dB(Hz A 1(0 dB B 10(20 dB C 100(40...

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