Microwave frequency divider

Details Microwave frequency divider Microwave frequency divider

1989-09-21

1990-11-06

Gensler, Paul

Wave transmission lines and networks

Frequency multipliers

333246, H03B 1900, H02M 5293, H02M 5297

Patent

active

049689592

ABSTRACT:
An analog type of microwave frequency divider for dividing frequency by two. It comprises a common emitter transistor (8) and a feedback loop comprising a filter (9, 11) and a phase-adjusting inductor (12). The filter (9, 11) is tuned to half the input frequency (fe/2) and the transistor (8) operates in its non-linear region. The two inductors (11, 12) are made of microstrip. The divider also includes an output matching filter comprising a capacitance (14) and two inductors (15, 16) which are likewise both made of microstrip.

REFERENCES:
patent: 4631500 (1986-12-01), Rauscher
patent: 4845389 (1989-07-01), Pyndiah et al.
NEC Electronics (Europe) GmbH; Preliminary Data Sheet for NPN Silicon High Frequency Transistor NE681 (4 pages).
"Regenerative Frequency Division with a GaAs FET", IEEE Transactions on Microwave Theory & Techniques, vol. MIT-32, No. 11, Nov. 1984, C. Rauscher.
"A Microwave Frequency Halver with Conversion Gain", S. P. Stapleton et al., Conference Proceedings of the 16th European Microwave Conf., Dublin, Sep. 8, 1986.
"20 GHz Frequency-Divider Silicon Bipolar MMIC", Electronic Letters, vol. 23, No. 20, Sep. 24, 1987, pp. 1085-1087, Stevenage, Hertz, GB.

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