Method and apparatus for measuring the frequency response of an

Pulse or digital communications – Repeaters – Testing

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364486, 364580, 371 22, H04B 1700

Patent

active

044452217

ABSTRACT:
The invention is primarily concerned with measuring the frequency response of a regenerator in a digital transmission system. The method and apparatus provide for a variable pulse to be inserted in a sequence of pulses representative of normal traffic through the system and superimposition of a sinusoidal signal on the variable pulse. Results can be plotted from passing a number of sequences through the regenerator and varying the amplitude and/or frequency of the sinusoidal signal and varying the pulse.

REFERENCES:
patent: 2987586 (1961-06-01), Berger
patent: 3544736 (1970-12-01), Bruwer, Jr.
patent: 3922534 (1975-11-01), Gerstenmeier et al.
patent: 3943305 (1976-03-01), Hagedorn
patent: 4176317 (1979-11-01), Manfreda
patent: 4340788 (1982-07-01), Sbuelz

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