Variable frequency jitter generator

Details Variable frequency jitter generator Variable frequency jitter generator

1989-05-19

1990-04-10

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

With reference oscillator or source

328 28, 328 55, 328 59, 328155, 331 39, 331 40, 331 78, 375 10, H03B 2100, H03B 2900, H03K 384

Patent

active

049164112

ABSTRACT:
A circuit for generating jitter includes a mixer which mixes a jittered signal from a jitter generator with the output of a variable frequency oscillator to produce a broadband jittered output. A preferred form of the circuit uses a double frequency translation technique in which the output from a reference oscillator is applied to a jitter generator and to a first frequency translation device to translate a variable input frequency to an intermediate frequency. The jittered signal and the intermediate frequency signal are then applied to a second frequency translation device to produce a jittered output at the variable input frequency.

REFERENCES:
patent: 3916329 (1975-10-01), Hekimian et al.
patent: 4258436 (1981-03-01), Campbell
Jitter in Digital Transmission Systems--Characteristics and Measurement Techniques, J. J. Baldini et al; vol. 2, Nov. 29-Dec. 2, 1982, pp. 658-664, IEEE Global Communications Conference, Miami.
What You Don't Know About T1 Jitter Can Give You the Jitters, K. B. Flynn; Data Communications, New York; vol. 16, No. 5; May 1987; pp. 151-166.

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