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Help me select an option to generate 25 kHz PWM

If it's a one-off project for yourself, not in a company with business overheads, I'd definitely choose option 4: Use another MCU (Attiny85 or ATmega328) to read the 1 kHz PWM and generate 25 kHz PWM ...
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-2 votes

Help me select an option to generate 25 kHz PWM

For an easy solution, I suggest you take your low freq pwm and shove it through a low pass filter (spec sheet has a transistor at point 14 that would be a nice place to put a powered low pass filter-...
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PLL phase error plot confusion

Phase maps to a segment of the real number line that's \$2\pi\$ radians long. It looks like your choice of math packages is mapping that in the segment \$\theta \in \left [ 0,\ 2\pi \right )\$. At ...
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