| switchmodepower |
| Anyone know of a simple circuit or chip to generate 180 deg out of phase sync pulse for 2 pwms? |
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| theChris |
a few things come to mind. among a few are:
triangle wave generator, analog inverting amplifier, two comparators set to the same value.
microcontroller
oneshots that have a set on-time, and a 50% duty ratio where one oneshot is triggered on the rising edge and the other on the falling edge.
this gives a few options based on if you want leading, middle, or trailing modulation.
or if you just have a chip that has a sync input, you're wanting an inverter to get 180d out of phase signals. |
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| switchmodepower |
There's got to be a chip made for just this.
I hate to make my own. |
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