GB2348574B - Input signal attenuation circuit and communication circuit - Google Patents

Input signal attenuation circuit and communication circuit

Info

Publication number
GB2348574B
GB2348574B GB9928744A GB9928744A GB2348574B GB 2348574 B GB2348574 B GB 2348574B GB 9928744 A GB9928744 A GB 9928744A GB 9928744 A GB9928744 A GB 9928744A GB 2348574 B GB2348574 B GB 2348574B
Authority
GB
United Kingdom
Prior art keywords
circuit
input signal
signal attenuation
communication circuit
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9928744A
Other languages
English (en)
Other versions
GB2348574A (en
GB9928744D0 (en
Inventor
Katsuhiro Ishii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of GB9928744D0 publication Critical patent/GB9928744D0/en
Publication of GB2348574A publication Critical patent/GB2348574A/en
Application granted granted Critical
Publication of GB2348574B publication Critical patent/GB2348574B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
GB9928744A 1998-12-04 1999-12-03 Input signal attenuation circuit and communication circuit Expired - Fee Related GB2348574B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34600298A JP3178441B2 (ja) 1998-12-04 1998-12-04 入力信号減衰回路および通信回路

Publications (3)

Publication Number Publication Date
GB9928744D0 GB9928744D0 (en) 2000-02-02
GB2348574A GB2348574A (en) 2000-10-04
GB2348574B true GB2348574B (en) 2001-11-28

Family

ID=18380473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9928744A Expired - Fee Related GB2348574B (en) 1998-12-04 1999-12-03 Input signal attenuation circuit and communication circuit

Country Status (2)

Country Link
JP (1) JP3178441B2 (ja)
GB (1) GB2348574B (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567932A (en) * 1974-11-27 1980-05-21 Mullarkey W Two way radio systems
GB2073553A (en) * 1980-03-31 1981-10-14 Sony Corp Ghost cancelling arrangements
US5758273A (en) * 1996-01-25 1998-05-26 Harris Corporation Receiver dynamic range extension method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567932A (en) * 1974-11-27 1980-05-21 Mullarkey W Two way radio systems
GB2073553A (en) * 1980-03-31 1981-10-14 Sony Corp Ghost cancelling arrangements
US5758273A (en) * 1996-01-25 1998-05-26 Harris Corporation Receiver dynamic range extension method

Also Published As

Publication number Publication date
JP2000174642A (ja) 2000-06-23
GB2348574A (en) 2000-10-04
JP3178441B2 (ja) 2001-06-18
GB9928744D0 (en) 2000-02-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101203