article · English
A Simple and Inexpensive Implementation of Time Division Multiplier for two Quadrant Operation
A four-page technical article published in IETE Technical Review (Vol. 12, No. 1, 1995) presenting a simple, low-cost two-quadrant time division multiplier (TDM) circuit built from standard CMOS and linear ICs. The circuit uses a sawtooth waveform generator, a comparator, and a low-pass filter to produce an output voltage proportional to the product of two input voltages. Experimental results tabulate accuracy within about 0.1% error for supply voltages up to ±5 V.
time division multiplieranalog multiplicationop-amp circuitssawtooth waveform generator