The application circuit of the single chip wide frequency band phase difference test system AD8302

Published:2011/8/14 22:38:00 Author:qqtang | Keyword: application circuit, single chip, phase difference, test system | From:SeekIC

The AD8302 application circuit is shown in the figure. R1 and R2 are the input terminals. R3 is the load of the UREF output terminal. C1 and C4 are the AC input coupling capacitor, C2 and C3 are the filtering capacitors, C5 and C6 are the power supply decoupling capacitors. S1 is the gain test pattern/comparator pattern selecting switch, by pulling S2 to gear a, the phase difference test pattern; when it is pulled to gear b, the comparator pattern is chosen, PSET terminal sets the voltage.



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