Sine-Wave Oscillator with Soft Clipping

219

03:33:35

Shake to start.

Normally with diodes for clipping protection there would be sharp clipping. However, with the addition of a resistor I can soften up the clipping to a mere damping. Too high of a resistance and it won’t provide the damping needed and the oscillations will just keep growing until the operational amplifier clipping will kick in. Here, I have the resistor fine-tuned to provide the softest dampening possible without letting it reach the operational amplifier limits.

published 6 years ago

kiani

6 years ago

You don't think this gona really work do you, jason,, how are you long time no sea.

jason9

6 years ago

In practice the resistor should be a potentiometer. In sim, I can do anything I want :D

jason9

6 years ago

Also, I’m learning programming. Maybe I’ll buy an Arduino someday.

crake

6 years ago

Arduino is a lot of fun, so is PIC. Arduino is a great place to start. PIC has some super low power stuff. For example the pic18lf14k22 has plenty of usable pin space and draws around 250uA at lower clock speeds. It has spi bus, i2c, UART etc. Just need a programmer like the pickit 3 to program it...

crake

6 years ago

Anyway, great for battery powered stuff if you choose to get into that.

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