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This is a HP 420A Crystal Detector in good condition; useful from low to microwave frequencies. This detector was swept from 2GHz to 18GHz and is working perfectly. Please note that HP specifies the 420A to 12 GHz and the response of this detector drops above 12 GHz (Agilent hp 420A crystal detector tested was posted and is owned by: Lynne Roberson) |
l.roberson@chicagopartsnetwork.com (Lynne Roberson) for more information.
