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Keysight Technologies
TC421 Detector Sensitivity Measurements
Technical Overview
Description
Detector sensitivity measurements are presented on the TC421
GaAs Schottky diode. The diode was installed in a 50 GHz diode
detector housing (the housing used 2.4 mm connectors and is the
same housing used for Keysight Technologies, Inc. Coaxial Detector
33330E). This diode features large bond pads suitable for "flip chip"
mounting. The diode was "flip chip" mounted using electrically
conductive epoxy. A schematic diagram of the measurement
circuit is shown below. 28 GHz zero bias and 20 microamp biased
measurements are presented. The offset voltage with RFOFF
is subtracted from the measurements. Additional data may be
available through WPTC Marketing at 707-577-4482.
Figure 1. 28 GHz detector sensitivity
Figure 2. Detector Measurement Schematic
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