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Sawtooth Generator Circuits
Last Updated on: Tuesday, April 22, 2008 03:50 PM
 
Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
DDS device produces sawtooth Waveform:  07/10/03 EDN Design Ideas  /  (added 1/05)  Ramp or sawtooth waveforms are useful for a broad range of applications, including automatic-test equipment, benchtest equipment, and actuator control. Discrete components typically set the waveform frequency. Unfortunately, drift in these component values over time and temperature limits the accuracy of the output frequency....
Precision Waveform Converter uses Sawtooth Wave:  03/01/96 EDN-Design Ideas / (Circuit / schematic design added 6/06)
SAW filters and resonators provide cheap and effective frequency control :  10/26/00   EDN-Design Ideas / (added 5/05)
Sawtooth generator exhibits 1% linearity and over 80-dB dynamic range:  07/26/99 Electronic Design - Ideas for Design / (Circuit added 9/04)  Two ICs and some associated components can be used to form a voltage-controlled sawtooth generator that costs less than $3 and produces an auxiliary squarewave at the same frequency (. . .
Sawtooth Generator Spans a 70 DB Range:  07/07/94 EDN-Design Ideas  /  (Electronic Circuit diagram added 03/03) The circuit in Fig 1 demonstrates a simple method for generating a voltage-programmable sawtooth waveform having a dynamic range greater than 70 dB. In addition to the sawtooth waveform, the circuit also produces corresponding triangle- and square-wave outputs. The three ICs and associated components cost a total of about $13. IC1's astable-multivibrator-type V/F converter produces a square wave whose frequency is accurately proportional to the converter's analog input and produces a differential 1.8 V p-p triangle wave of equal frequency across its timing capacitor CT. IC2's video-difference amplifier level shifts and amplifies this square wave to produce a 20 V p-p triangle wave. A high-pass filter differentiates this signal to generate an in-phase square wave. The triangle wave and differentiated signal drive the analog input and reference-comparator inputs of IC3's gain-of-one balanced modulator....  
Sawtooth Wave Oscillator:  (added 8/03)

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