US 12,498,529 B2 · Opto-electronic assemblies

Abstract

An assembly of electronic components for reception of data using an optical fibre wherein said assembly comprises: a photodiode; a first amplifier coupled to said photodiode; a second amplifier, whose electrical behaviour is substantially identical to an electrical behaviour of said first amplifier; an impedance network comprising at least two electronic components coupled between an input of said second amplifier and a reference terminal, wherein those at least two electronic components comprise at least two impedance elements, one impedance element being capacitive and another being resistive or inductive, and wherein said at least two electronic components are adjustable under electronic control to adjust the impedance presented by said impedance network; and circuitry for creating a signal formed from a subtraction of outputs of the first and second amplifiers.

Claims13

Dependent claims

An assembly of electronic components for reception of data using an optical fibre, wherein said assembly comprises:

a photodiode;
a first amplifier coupled to said photodiode;
a second amplifier, whose electrical behaviour is substantially identical to an electrical behaviour of said first amplifier;
an impedance network comprising at least two electronic components, wherein a first terminal of said impedance network is coupled only to a reference terminal and a second terminal of said impedance network is coupled only to an input of said second amplifier, wherein said at least two electronic components comprise at least two impedance elements, one impedance element being capacitive and another being resistive or inductive, and wherein said at least two electronic components are adjustable under electronic control to adjust the impedance presented by said impedance network;
and
circuitry for creating a signal formed from a subtraction of outputs of the first and second amplifiers.

3 more elements

A method for reception of data using an optical fibre, the method comprising:

providing a photodiode;
coupling said photodiode to a first amplifier;
providing a second amplifier, whose electrical behaviour is substantially identical to said electrical behaviour of said first amplifier;
providing an impedance network comprising at least two electronic components, wherein a first terminal of said impedance network is coupled only to a reference terminal and a second terminal of said impedance network is coupled only to an input of said second amplifier, wherein said at least two electronic components comprise at least two impedance elements, one impedance element being capacitive and another being resistive or inductive, and wherein said at least two electronic components are adjustable under electronic control to adjust the impedance presented by said impedance network;
and
providing circuitry for creating a signal formed from a subtraction of outputs of said first amplifier and said second amplifier.

3 more elements

Dependencies are inferred from the claim text.

Opto-electronic assemblies

Life of this patent

Opto-electronic assemblies

Life of this patent

Abstract

Claims13