The invention discloses a double-path modulating pulse electrochemical sediment device, which is characterized by the following: the signal generating mode (2) consists of U1 chip AD654 and external circuit; the frequency multiplication frequency-division mode (3) is composed of mutually interconnected U2chip CD4046, U3 chip CD4518, U4 1/2 chip CD4518, U4 2/2 chip CD4518 and U5 chip CD4585, U6 chip CD4585 and external circuit; the four-quadrant multiplier mode (4) contains U7 MC1494 and external circuit; the power amplifier mode (6) concludes U8 chip LF351, U9 chip OPA551 and external circuit; the double-path timing mode (1) is composed of two output ends of synchronous timing switch DHC9A with 8-number dial switch and double-path synchronous relay and level modular (7), modulating single device (9), dutycycle setter (10) and frequency giver (11). |