【発明の名称】集積分布RCフィルタを備えた直角変調器

Title:

【発明の名称】集積分布RCフィルタを備えた直角変調器

Document Type and Number:

Japanese Patent JPH10505979

Kind Code:

A

Abstract:

A quadrature modulator for generation of complex modulated signals includes a unique pair of balanced, low-pass filters which, through a switching arrangement for switching into and out of the circuit distributed RC line sections and corresponding ground resistances are able to redress problems associated with manufacturing tolerances.

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Inventors:

Dent, Paul W.

Application Number:

JP51037595A

Publication Date:

June 09, 1998

Filing Date:

September 14, 1995

Export Citation:

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Assignee:

Ericsson Incorporated

International Classes:

H04L27/18; H03C1/54; H03H1/02; H03H7/06; H03M3/02; H04B1/26; H04B1/40; H04B7/26; H04L25/03; H04L27/00; H04L27/20; (IPC1-7): H03C1/54; H03H7/06; H04L27/20

Attorney, Agent or Firm:

Akira Asamura (3 outside)

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