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- Mon Apr 23, 2018 5:39 pm
- Forum: Hardware Interface Issues
- Topic: Help! PWM 0-10V.
- Replies: 22
- Views: 25169
Re: Help! PWM 0-10V.
Hi...If you have a 12V power supply, you don't need rail to rail. An LM 358 or similar works fine if your filter has a fairly low cutoff. Using 16 bit PWM you can easily get the needed resolution. Here's what I've used. PWM freq is 1KHz. 5V input . The pot is to dial in 10V as the top end. pcb assem...