High-precision programmable delay line instruments

Colby Instruments manufacture the world’s finest precision programmable Delay Line Instruments designed to handle a high frequency/RF electronic signal, ranging from DC up to 18 GHz, and adjust the overall distance that the signal traverses. The industry leader offering accuracy, precision with excellent repeatability.

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What’s inside a Colby Instrument?

Our patented electromechanical trombone with precision cut semi-rigid coaxial cable and aerospace grade microwave relays. Colby’s programmable delay line instruments are designed to provide users with variable-length signal paths for high frequency electronic signals.

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Newest Innovation in XT Series

The capabilities to doppler shift and/or oscillate between two end points at variable rates of speed.

LEARN ABOUT DOPPLER SHIFT

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When precision is essential, leaders of industry and research trust Colby.