Have you ever used a multiplier?

qiaoshibo05

Have you ever used a multiplier? [Copy link]

I used the HA2556 analog multiplier to square a sine wave. Theoretically, I should get a double-frequency, equal-amplitude, positive half-cycle waveform, but the actual waveform is alternating between high and low. I don't know what's going on. Has anyone encountered a similar situation?

Arvinˇ

If you really want to ask, you should provide a schematic diagram.