The basic connection circuit of sample and hold amplifier AD9101

Published:2012/8/24 22:00:00 Author:Ecco | Keyword: basic connection , sample and hold , amplifier | From:SeekIC

AD9101 is built-in the holding capacitor CHOLD, and sample-and-hold is controlled by the CLOCK. According to basic connection diagram, RTN grounds to keep the gain of the amplifier in 4. The noninverting input terminal of ultrafast comparator AD96685BR produced by the Analog Devices Inc. is added the clock input, then Q is sent to AD9100's non CLK and CLK (10,11 feet) as the sampling and holding control signal. The capacitors without marking use 0.01μF; the selection of R1 should be subject to the load capacitor with considering the condition that load capacitance may be less than 6pF in short circuit.



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