10 February 2011

OP AMP CIRCUIT COLLECTIONS


Here’s a growing source of circuits from today’s application notes, data sheets and textbooks. Use the collection anyway that works for you:
1. Download the SPICE file and off you go! Simulate, modify, expand it any way you like.
2. Read the circuit notes for a brief tour of how it works along with some hands-on design and analysis. Like a buffet table take as little or as much as you need.
3. Simulate your own circuits. Find a circuit similar to your interest. Then, modify it to fit your needs.



OP AMP APPLICATIONS
Function Generator - Part 1
Function Generator - Part 2
RC Low-Pass Filter with Op Amp Buffer (Single-Pole)
Sallen-Key Low-Pass Filter (Double-Pole)
Single-Supply AC Inverting Amplifier
H-Bridge Power Amp
OP AMP BASICS

OP AMP ADVANCED
Op Amp Bandwidth

GENERAL CIRCUITS & MODELS
The 555 Timer 
Analog Behavioral Modeling
Basic Digital Gates  
DC Motor Model
Voltage-Controlled Resistor
Potentiometer Model
Capacitor Model 
The Miller Effect

SWITCH-MODE POWER SUPPLIES
SMPS Basics - The Buck Converter
SMPS Power Loss 
Buck Converter - Voltage Mode Control
Buck Converter - AC Model
Buck Converter - Compensation
SPICE Power Meter  

SWITCHED-CAPACITOR CIRCUITS
Switched-Capacitor Resistor  
Switched-Capacitor Integrator 

AUDIO AMPLIFIERS
Basic Audio Amplifier
Advanced Audio Amplifier
Diff Amp with Current Mirror 
Output Stage
The Miller Integrator 
Simplified Audio Amp Model
BJT Current Source  
Active Load in Gain Stage

EXCEL (VBA) TOPICS
VBA Basics
Resistor Divider
Sine Wave Generator
Triangle Wave Generator
Calculate Op_Amp_Gain_BW
ADC Function
Create Waveforms with the Fourier Series

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