Modulators – Pulse or interrupted continuous wave modulator
Patent
1999-09-13
2000-12-19
Grimm, Siegfried H.
Modulators
Pulse or interrupted continuous wave modulator
332163, 332164, 375268, 375300, 455108, H03C 114, H04L 2704
Patent
active
061632317
ABSTRACT:
In a millimeter wave modulation of the direct modulation technology, the switching speed is increased and the modulation bandwidth is broadened. A millimeter wave modulator includes a millimeter wave waveguide. a switching element (PIN diode) disposed in the waveguide in which the switching element is turned on and off by a digital signal to achieve amplitude-modulation of a millimeter carrier wave propagating through the waveguide, and a shunt resistor connected to the switching element in parallel.
REFERENCES:
patent: 3852794 (1974-12-01), Pearson et al.
Grimm Siegfried H.
Omron Corporation
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