Electronic transmitter having a digital combiner circuit for tra

Details Electronic transmitter having a digital combiner circuit for tra Electronic transmitter having a digital combiner circuit for tra

1995-05-09

1997-05-20

Chin, Stephen

Pulse or digital communications

Transmitters

375206, H04J 1300

Patent

active

056319290

ABSTRACT:
An electronic transmitter transmits multiple digital input signals simultaneously by including an encoding circuit, a digital combiner circuit, and a modulator circuit. The encoding circuit encodes each of the digital input signals as a sequence of "1" and "0" chips with all of the chip sequences being synchronized in parallel; the digital combiner circuit generates a signed multi-bit digital signal which indicates the number of "1" chips minus the number of "0" chips that concurrently occur in the synchronized chip sequences; and, the modulator circuit generates a sinusoidal analog signal with a phase and a peak amplitude that respectively indicate the sign and magnitude of the signed multi-bit digital signal.

REFERENCES:
patent: 5390167 (1995-02-01), Inatsu et al.
patent: 5418813 (1995-05-01), Schaffner et al.
patent: 5459749 (1995-10-01), Park

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