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Generating a Backwards Sawtooth Waveform: Is an Op-Amp Circuit the Solution?
- Thread starter Jdo300
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SUMMARY
The forum discussion centers on generating a backwards sawtooth waveform using op-amps and alternative methods. Jason O suggests using a traditional sawtooth waveform, integrating and dumping it, then inverting and offsetting the output. Berkeman proposes a simpler solution involving a single 8-bit downcounter combined with an R-2R ladder DAC configuration, highlighting the need for output buffering to achieve desired frequency ranges. The conversation emphasizes practical circuit design techniques for waveform generation.
PREREQUISITES- Understanding of op-amp circuit design
- Knowledge of waveform generation techniques
- Familiarity with digital-to-analog converters (DACs)
- Basic electronics concepts, including counters and buffering
- Research op-amp configurations for waveform generation
- Learn about R-2R ladder DAC design and implementation
- Explore the functionality of 8-bit downcounters in signal processing
- Investigate output buffering techniques for waveform stability
Electronics engineers, hobbyists designing waveform generators, and students studying circuit design and signal processing techniques.
- #2
berkeman
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Maybe generate a traditional sawtooth (integrate and dump), then invert it and offset it? Would that work?
- #3
. Does anyone know of any other ways to do this that may be simpler?
- #4
berkeman
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Simpler... How about a single 8-bit downcounter with an R-2R ladder DAC configuration at the output...
- #5
Jdo300
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Hmmmm... that could work :-). I wonder what kind of frequency range I can get from that. I would definitely need to buffer the output. Interesting approach.
Thanks,
Jason O
Thanks,
Jason O