Miniaturized millimeter wave instantaneous frequency discriminat

Details Miniaturized millimeter wave instantaneous frequency discriminat Miniaturized millimeter wave instantaneous frequency discriminat

1975-02-03

1976-05-11

Grimm, Siegfried H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307233R, 324 78R, 324 95, G01R 2304

Patent

active

039567060

ABSTRACT:
A microstrip instantaneous frequency discriminator operable at frequencies bove 18GHz. A first power divider divides the input signal into equal power outputs which are used as the inputs to second and third power dividers. One of the outputs from each of the second and third power dividers is used as the input to a 180.degree. hybrid and the other output from each of the second and third power dividers is used as the inputs to a 90.degree. hybrid. The outputs of the 90.degree. hybrid and the 180.degree. hybrid are subsequently processed to provide signals suitable for a visual polar display of the instantaneous frequency and power level of the input signal.

REFERENCES:
patent: 3480869 (1969-11-01), Hubbard
patent: 3519937 (1970-07-01), Hubbard
patent: 3530387 (1970-09-01), Bonfeld et al.
patent: 3532989 (1970-10-01), Saad

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