Differential detection receiver

Details Differential detection receiver Differential detection receiver

1997-01-24

2000-01-25

Pham, Chi H.

Pulse or digital communications

Receivers

Angle modulation

375347, 375349, 375345, 708440, H03D 322, H04L 2722

Patent

active

06018552&

ABSTRACT:
A differential detection receiver with a reduced power consumption is provided by simplifying constituent circuits of the differential detection receiver. An arctangent calculator is realized without using a multiplier of a conversion table. Without using a D/A converter, a level adjusting circuit for adjusting the absolute value of a vector (Ax, Ay) given as input signals Ax and Ay so as to make it one. The power consumption of a differential detection demodulator is reduced by eliminating power consuming circuits such as a multiplier and a large conversion table from the system.

REFERENCES:
patent: 5134631 (1992-07-01), Kingston et al.

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