High-speed digital-to-RF-converter

Details High-speed digital-to-RF-converter High-speed digital-to-RF-converter

1995-02-28

1997-09-16

Chin, Stephen

Pulse or digital communications

Transmitters

Angle modulation

375298, 375302, H04K 102

Patent

active

056688423

ABSTRACT:
A plurality of biphase modulators (42) each modulate a sinusoidal radio frequency signal based upon a corresponding one of a plurality of bits contained in a time-dependent data word. The biphase modulators (42) form a plurality of biphase modulated signals which are communicated to a summing network (40). The summing network (40) contains a plurality of attenuators (44) which attenuate the modulated signals to form a plurality of attenuated signals. The summing network (40) combines the attenuated signals to form a radio frequency signal.

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patent: 5495504 (1996-02-01), Yasuda
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patent: 5504461 (1996-04-01), Vaughn
patent: 5504465 (1996-04-01), Yung et al.

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