H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/28, 340/75
H04B 7/02 (2006.01) H04B 7/08 (2006.01) H04L 7/00 (2006.01)
Patent
CA 1125860
DIVERSITY SWITCH CORRELATION SYSTEM ABSTRACT A multiple-channel microwave communications system with an improved diversity switch permitting the system to be constructed without the necessity of equalizing channel delays within a 1/2 bit period by adjusting coaxial cable lengths. The average clock frequency is made to be the on-line channel frequency. The off-line clock frequency is forced to assume the on-line clock frequency by shifting the off-line clock one-half bit, that is 180°, when it is advanced or delayed more than 180°. Phase shifters of 180° are provided in each channel but with only the off-line channel permitted to shift. In addition, the bit content of the dual channel receiving system is aligned over a plus or minus three-bit range by a correlation loop circuit.
335953
Peterson Darrel J.
Wood Wilhelm A.h.
Raytheon Company
Smart & Biggar
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