Incremental Encoder Resolution, Multiplication and Subdivision Technology

Incremental encoder resolution, frequency multiplication and subdivision technology Incremental encoder code disk is composed of a very large number of grating engraved lines, there are two photoeyes to read the A, B signal, the density of the engraved lines determines the resolution of this incremental encoder, that is, the smallest change in the angle of the value of the disc can be read. The parameter that represents the resolution of an incremental encoder is PPR, which is the number of pulses per revolution. Incremental encoder A/B output waveforms generally have two kinds, one is a steeply rising edge and steeply falling edge of the square wave signal, a slow rise and fall, waveforms similar to sinusoidal Sin/Cos curve waveform signal output, A and B difference of 1/4 T period 90 degrees phase, if A is a class of sinusoidal Sin curve, then B is a class of cosine Cos curve. For square wave signals, A,B two phases differ by 90 degrees phase, so that at 0 degrees phase angle, 90 degrees, 180 degrees, 270 degrees phase angle, these four positions have rising and falling edges,...