Motorola's LM13600 integrated circuit is not very common today. The input voltage is 10 mV. We found this circuit in an 80's documentation. The voltage output is proportional to the frequency of the input pulses.
Motorola's LM13600 integrated circuit is not very common today. The input voltage is 10 mV. We found this circuit in an 80's documentation. The voltage output is proportional to the frequency of the input pulses.