Title :
Improved Frequency Meter Circuit
Author :
Rosenthal, Louis A.
Abstract :
The familiar frequency meter circuit can be improved by employing constant current charging of the scaling capacitor between its voltage excursions. Peak current waveforms and their burden on the driving circuit are significantly reduced.
Keywords :
Bridge circuits; Capacitors; Current measurement; Diodes; Frequency measurement; Pulse amplifiers; Pulse circuits; Resistors; Semiconductor device measurement; Voltage;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.1977.4314591