dual conversion
1.ADuC812 is a high performance 8 bit singlechip developed by AD Inc.with watchdog and timer circuits inside. It incorporates a high performance self calibrating multi-channel 12 bit ADC, dual 12 bit DACs on a single chip,and its conversion speed can be as hign as 5us.
2.This paper mainly introduces the principles of the acquisition and output of 4～20 MA DC analog datas input signals from automatic following moder by programmable dual channel D/A converter TLC5618.And givesan example of its application,when one channel of TLC5618 completes D/A conversion,the other channel matched upto simple external cir-cuits completes its D/A conversion after comar-ison one by one by software programming.
3.An all-optical wavelength conversion based on the cascaded second-order nonlinear interactions of Sum-and Difference-Frequency Generation(SFG+DFG) in quasi-phase matched Periodically Poled LiNbO_3(PPLN) Waveguides with a dual-pulse pump source is studied.
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