Apparatus for measuring frequency modulation noise signals havin

Details Apparatus for measuring frequency modulation noise signals havin Apparatus for measuring frequency modulation noise signals havin

1987-08-28

1989-01-31

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 58B, 324 77E, 328162, 328167, G01R 2300, G01R 2316, G01R 2700

Patent

active

048018619

ABSTRACT:
A microwave bridge circuit for measuring frequency modulation noise signals arising in low power, high frequency sources having a highly non-constant FM noise versus baseband frequency characteristic includes amplifying and filtering means for excluding signals in frequency ranges beyond the field of interest and frequency response compensator means of attenuating signals outside the primary range of interest.

REFERENCES:
patent: 3675124 (1972-07-01), Ashley et al.
patent: 4429309 (1984-01-01), Kipp
patent: 4549312 (1985-10-01), Michaels et al.
patent: 4634962 (1987-01-01), Banura et al.
patent: 4721870 (1988-01-01), Rector et al.
Chasek, Norman, "Avalanche Diodes Permit in Service Measurements . . . in Microwave Equipment", Electronics, Jan. 19, 1970 pp. 87-91.

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