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Reference Designs

Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End

Texas Instruments

This design shows how to use an active interface with the current sink output of the DAC5682Z - typical applications for this include front ends for arbitrary waveform generators. The EVM includes the DAC5682Z for digital-to-analog conversion: an OPA695 to demonstrate an active interface implementation using a wide bandwidth operational amplifier and a THS3091 and THS3095 to showcase an operational amplifier with large voltage swing. Also included on board are a CDCM7005: VCXO and Reference for clock generation: and linear regulators for voltage regulation. Communication to the EVM is accomplished via a USB interface and GUI software.

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Features

Example of a high performance arbitrary waveform generator front endWideband signal generation using DAC5682zProvide 1 wideband high performance output capable of driving 50 ohm loads using OPA695Provide a high voltage output using the THS3095 with a maximum of 30VppEasy evaluation platform using TSW1400 and HSDC Pro pattern generator software