It’s well known that the main job of a pulse width modulator’s filter is to limit the maximum peak-to-peak amplitude of the f PWM Hz-induced ripple. It attenuates this to a specified fraction—Frac of ...
Figure 1’s negative constant current source has been a textbook application for the LM337 regulator forever (or thereabouts). It precisely maintains a constant output current (Iout) by forcing the ...
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