Analog Discovery ™ Technical Reference Manual

1300 Henley Court Pullman, WA 99163 Analog Discovery Technical Reference Manual Revised March 18, 2015 This Manual applies to the Analog Discovery rev. C DOC#: 502-244-C Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners. Page 1 of 39 Overview The Digilent Analog Discovery , developed in conjunction with Analog Devices Inc., is a multi-function instrument that can measure, record, and generate Analog and digital signals. The small, portable and low-cost Analog Discovery was created so that engineering students could work with Analog and digital circuits anytime, anywhere - right from their PC. The Analog Discovery 's Analog and digital inputs and outputs connect to a circuit using simple wire probes. Inputs and outputs are controlled using Digilent's free PC-based WaveForms software that can configure the Analog Discovery to work as any one of several traditional instruments.

An analog switch (ADG612) allows selecting High Gain versus Low Gain (EN_HG_SC1, EN_LG_SC1) signals from the FPGA. The P and N branches of the differential path are switched together. The ADG612 quad switch was used because it provides excellent impedance and bandwidth parameters: - 1 pC charge injection

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