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Electronic assembly

An electronic component, potential technology, applied in electrical components, circuits, phonon exciters, etc., can solve problems such as impedance mismatch

Inactive Publication Date: 2005-12-28
SUMITOMO ELECTRIC DEVICE INNOVATIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the interconnection lines of the bypass capacitors C1 and C2 include inductive components, and the problem of impedance mismatch still exists

Method used

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  • Electronic assembly
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Embodiment Construction

[0026] Figure 5 The circuit structure of the electronic assembly according to the embodiment of the present invention is shown, wherein the same symbols denote the same elements. Transmission line 60 is used to electrically connect EAM driver 12 and EAM 22b. EAM driver 12 forms a first stage circuit, and EAM 22b and LD 22a together form a second stage circuit. Forward bias LD22a, and reverse bias EAM22b as a light modulator. Here, a reverse biased element such as EAM22b is defined as a first element, and a forward biased element such as LD22a is defined as a second element. In addition to LD22a, the second element may be a light emitting element such as a light emitting diode or an optical amplifier. The first and second elements may be integrated on a substrate of the same conductivity type. EAM 22b may be a single semiconductor device. exist Figure 5 In the structure shown, the first and second elements are biased by a positive power supply. Instead of a positive po...

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PUM

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Abstract

An electronic assembly comprising: a first level circuit that generates a drive signal based on a first potential that is positive or negative; a second level circuit that includes a drive signal that is reversed between a second potential equal to the first potential and the drive signal a first element driven, and a second element connected in a forward bias direction toward a second potential; and a transmission line having a signal wire on which a drive signal is transmitted to the first element, and a signal wire maintained at a reference potential Reference wire. The connection between the first potential of the first stage circuit and the reference conductor of the transmission line and the connection between the second potential of the second stage circuit and the reference conductor are at equal potential.

Description

technical field [0001] The present invention generally relates to an electronic component having a structure in which circuits are electrically connected through a high-frequency transmission line, and more particularly, to an electronic component including a semiconductor laser diode and a control system. Background technique [0002] In recent years, optical communication has been widely put into practical use. A semiconductor laser diode (LD, laser diode) is used as a light source for optical communication. Typically, a modulator is used to modulate the LD. There is a laser diode that is directly modulated without a modulator. Another type of laser diode exists with a built-in modulator. The modulator driver is used to drive the modulator. The modulator and modulator driver are electrically connected together through a transmission line capable of transmitting high frequency signals. The output signal of the modulator is a high-frequency signal of several GHz, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/022H01S5/026H01S5/042
CPCH01S5/0085H01S5/042
Inventor 井上真吾芦泽建
Owner SUMITOMO ELECTRIC DEVICE INNOVATIONS