Dual forward and reverse test points for amplifiers

Details Dual forward and reverse test points for amplifiers Dual forward and reverse test points for amplifiers

1998-10-13

2001-03-06

Flynn, Nathan (Department: 2711)

Television

Two-way video and voice communication

User positioning

C346S012000, C346S013000, C346S106000, C346S106000

Reexamination Certificate

active

06198498

ABSTRACT:

FIELD OF THE INVENTION
This invention relates generally to amplifiers, and more specifically to test points within amplifiers.
BACKGROUND OF THE INVENTION
Communication systems, such as two-way cable television systems, typically process signals in both the forward, or downstream, direction and the reverse, or upstream, direction. These signals may travel long distances and, as a result, distribution amplifiers are typically employed to amplify the signal levels of the forward and reverse signals.
Within these amplifiers, and within other electronic devices that process the distributed signals, it is desirable to provide test points coupled to the forward and reverse signals so that a technician can access the test points to analyze the nature, extent, and location of system problems or failures. Generally, within amplifiers, separate test points for the forward signal are provided prior and subsequent to forward signal amplification. Separate test points for the reverse signals are also provided prior and subsequent to reverse signal amplification. Therefore, within a single amplifier, four different test points are provided. Since each test point requires a separate directional coupler to pull off a portion of the signal to be tested, this multiplicity of test points within a single amplifier increases both the cost and the size of the device.
Thus, what is needed is an inexpensive and space-saving way to provide test points within an electronic device of a communication system.


REFERENCES:
patent: WO 9747103 (1997-11-01), None

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