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Peter’s Blog has published some interesting technical information on controlling the LTC module through CV. The particular circuit uses MOSFET component and the final result is control of frequency with a voltage from 0-5V over a range from 300-4000kHz (values for divider :10). The blog covers the process with photo series, schematics, and wordy descriptions. With a little reading and head scratching you can now control your LTC1799 powered devices via a modular synth system or other voltage sources.