Pulse or digital communications – Testing
Patent
1994-08-12
1998-03-03
Chin, Stephen
Pulse or digital communications
Testing
375257, 333170, 324610, 324725, H04B 346, H04B 1700, H04Q 120
Patent
active
057243875
ABSTRACT:
A cable loss simulator for a serial digital signal source adapts a constant resistance, bridged-T passive network to simulate the frequency-loss characteristics of a reference coaxial cable. The cable loss simulator is selectively coupled into the output path of the serial digital signal source to simulate the serial digital signal after transmission through the reference coaxial cable. The cable loss simulator has a resistive input section for impedance matching with the serial digital signal source and a bridged-T section with multiple breakpoints to simulate the frequency-loss characteristic of the reference coaxial cable.
REFERENCES:
patent: 3621480 (1971-11-01), Brownlie
patent: 3652952 (1972-03-01), Chen
patent: 3701955 (1972-10-01), Spencer
patent: 3842247 (1974-10-01), Anderson
patent: 4996695 (1991-02-01), Dack et al.
Baker Daniel G.
Harris Michael
Chin Stephen
Gray Francis I.
Tektronix Inc.
Vo Don
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