Oscillator having low phase noise

Details Oscillator having low phase noise Oscillator having low phase noise

1987-08-21

1989-05-16

Laroche, Eugene R.

Oscillators

Automatic frequency stabilization using a phase or frequency...

With reference oscillator or source

331 2, 331 46, H03L 700

Patent

active

048313394

ABSTRACT:
Phase noise in a carrier signal is reduced by use of a phase locked loop which is responsive to the carrier signal and another signal of comparable noise level but having non-correlated phase noise.

REFERENCES:
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patent: 3546588 (1970-12-01), Campbell, Jr.
patent: 3644827 (1972-02-01), Landefeld
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patent: 3838355 (1974-09-01), Papaieck
patent: 3961255 (1976-06-01), Hekimian
patent: 4095190 (1978-06-01), Imazeki et al.
patent: 4303893 (1981-12-01), Goldberg
patent: 4551689 (1985-11-01), Scala et al.
patent: 4580289 (1986-04-01), Enderby
patent: 4634962 (1987-01-01), Banura et al.
"Measure Phase Noise", Chuck Reynolds Electronic Design, vol. 4, Feb. 15, 1977.
INSPEC Abstracts.
Hewlett Parckard Product Note 11729 B-1.
Hewlett Packard Application Note 283-3.
Hewlett Packard Spectrum Analyzer System 3047 A.
"A Comparison of Phase Noise in Synthesizer Design" Bates and Nemeth , Microwave Systems News & Communication Technology, Jan. 1987.

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