Miniature RF calibrator utilizing multiple power levels

Details Miniature RF calibrator utilizing multiple power levels Miniature RF calibrator utilizing multiple power levels

2011-01-18

2011-01-18

Nguyen, Vincent Q (Department: 2831)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

C324S555000, C324S601000

Reexamination Certificate

active

07872467

ABSTRACT:
A small light-weight battery operated calibrator device provides a precise sine wave output for use in calibration of test equipment, such as a RF Power Meter or a Spectrum Analyzer. The calibration device includes two power levels, one −40 dBm and one 0 dBm. The purpose of the two power levels is to obtain a slope and offset for correction of the RF power measuring device being calibrated. Operation indication LED lights are provided to indicate which of the two powers are in use, and if battery power is below acceptable levels. Miniature low power components including a crystal oscillator and a divide by 2 integrated circuit that generates a precise square wave and a low pass filter for converting the square wave into a precise sine wave allows the calibrator to be battery operated and stored as a calibration component.

REFERENCES:
patent: 5262957 (1993-11-01), Hearn

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