Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1992-08-21
1993-12-21
Moskowitz, Nelson
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359192, 455313, H04L 2714, H04B 900, H03D 326
Patent
active
052725596
ABSTRACT:
A truncated frequency discriminator according to the present invention features an amplifier (A), phase adjustment circuits (CAP1, CAP2) and circuitry (V1, V2) for very weakly forward polarizing Schottky diodes (DS1, DS2). Such a truncated frequency discriminator allows for a reduced noise and may find particular application in optical telecommunications receivers.
REFERENCES:
patent: 3882397 (1975-05-01), Konishi
patent: 4630054 (1986-12-01), Martinson
patent: 5069210 (1991-12-01), Jeutter et al.
patent: 5081424 (1992-01-01), Tresselt
Condom Michel
Hui Bon Hoa Daniel
Tromeur Andre
France Telecom Etablissement (Autonome de Droit Public)
Moskowitz Nelson
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