Published:2012/12/11 1:04:00 Author:Ecco | Keyword: analog phase , detector , 0.1 % gain accuracy | From:SeekIC
It is composed of operational amplifier TLC072 and analog switch 74HC4053, but analog switch conduction resistance changes with temperature and power supply voltage. In the circuit, analog switch 74HC4O53 output is connected to a voltage follower composed of A3, therefore, conduction resistance does not affect the output. If the input signal source impedance is very low, you can not connect A1. 74HC series can not guarantee the picking up firstly, even if 74HC4053 makes A2 and A2 short-circuit, the additional resistors R1 and R2 prevent problem in the practical use.
Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Measuring_and_Test_Circuit/The_analog_phase_detector_circuit_diagram_with_01__gain_accuracy.html
Print this Page | Comments | Reading(3)
Code: