The 28524 Quad Frequency-to-Voltage Converter Module provides conditioning for pulse, rate and frequency transducers. The 28524 gives a voltage output proportional to input frequency or rate for frequencies from 1 Hz to 50 kHz with inputs from 10 mV to 100 V. Distorted inputs such as signals with ringing, crossover or harmonic distortion are handled with programmable trigger threshold and trigger hold-off time.