HK1035452A1 - Low to higher if conversion for active filtered limited if systems - Google Patents

Low to higher if conversion for active filtered limited if systems

Info

Publication number
HK1035452A1
HK1035452A1 HK01105967A HK01105967A HK1035452A1 HK 1035452 A1 HK1035452 A1 HK 1035452A1 HK 01105967 A HK01105967 A HK 01105967A HK 01105967 A HK01105967 A HK 01105967A HK 1035452 A1 HK1035452 A1 HK 1035452A1
Authority
HK
Hong Kong
Prior art keywords
conversion
systems
low
active filtered
filtered limited
Prior art date
Application number
HK01105967A
Other languages
English (en)
Inventor
Alan R Holden
Antonio Montalvo
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of HK1035452A1 publication Critical patent/HK1035452A1/xx

Links

Classifications

    • 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
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
HK01105967A 1997-11-14 2001-08-23 Low to higher if conversion for active filtered limited if systems HK1035452A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/970,422 US6112065A (en) 1997-11-14 1997-11-14 Low to higher if conversion for active filtered limited IF systems
PCT/US1998/020935 WO1999026350A1 (en) 1997-11-14 1998-10-13 Low to higher if conversion for active filtered limited if systems

Publications (1)

Publication Number Publication Date
HK1035452A1 true HK1035452A1 (en) 2001-11-23

Family

ID=25516931

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01105967A HK1035452A1 (en) 1997-11-14 2001-08-23 Low to higher if conversion for active filtered limited if systems

Country Status (8)

Country Link
US (1) US6112065A (xx)
EP (1) EP1031189B1 (xx)
KR (1) KR20010024633A (xx)
CN (1) CN1137545C (xx)
AU (1) AU9683898A (xx)
DE (1) DE69806266T2 (xx)
HK (1) HK1035452A1 (xx)
WO (1) WO1999026350A1 (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001029981A1 (en) * 1999-10-20 2001-04-26 Maxim Integrated Products, Inc. Wireless transceivers using two integrated filters to enhanc e dynamic range
US6741847B1 (en) * 2000-06-28 2004-05-25 Northrop Grumman Corporation Multi-carrier receiver frequency conversion architecture
US20060045126A1 (en) * 2004-08-30 2006-03-02 Interdigital Technology Corporation Method and apparatus for adaptively selecting sampling frequency for analog-to-digital conversion
TWI280754B (en) * 2004-08-26 2007-05-01 Interdigital Tech Corp Method and apparatus for processing multiple wireless communication services
US9602144B2 (en) * 2004-08-26 2017-03-21 Interdigital Technology Corporation Method and apparatus for processing multiple wireless communication services
CN111224622B (zh) * 2019-11-21 2023-07-25 中电科思仪科技股份有限公司 一种中心频率与带宽可调的噪声信号发生装置及方法
CN115276689B (zh) * 2022-05-25 2023-09-26 中国船舶集团有限公司第七二三研究所 一种动态范围可重构的接收装置及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544899A (en) * 1966-02-17 1970-12-01 Igor Alexandrovich Gusyatinsky Frequency-modulated receiver with decreased threshold level
US4580289A (en) * 1981-12-30 1986-04-01 Motorola, Inc. Fully integratable superheterodyne radio receiver utilizing tunable filters
US4476586A (en) * 1982-02-05 1984-10-09 Pioneer Electronic Corporation IF Signal processing circuit in a receiver
US4852123A (en) * 1988-02-05 1989-07-25 Motorola, Inc. Nearly DC IF phase locked transceiver
US5193210A (en) * 1991-07-29 1993-03-09 Abc Auto Alarms, Inc. Low power RF receiver
TW263640B (xx) * 1992-06-26 1995-11-21 Philips Electronics Nv
TW274665B (xx) * 1992-06-26 1996-04-21 Philips Electronics Nv
JPH07177054A (ja) * 1993-12-21 1995-07-14 Hitachi Ltd ディジタル無線通信端末
FI100921B (fi) * 1995-01-19 1998-03-13 Nokia Telecommunications Oy Spektrinmittausvastaanotin
CA2227869A1 (en) * 1995-08-04 1997-02-20 Mark D. Hedstrom Universal rf receiver
GB9605719D0 (en) * 1996-03-19 1996-05-22 Philips Electronics Nv Integrated receiver
US5875390A (en) * 1996-12-06 1999-02-23 Advanced Micro Devices, Inc. Programmable intermediate frequency RSSI system including an adjustable rectifying stage
US5852772A (en) * 1997-02-25 1998-12-22 Ericsson Inc. Receiver IF system with active filters

Also Published As

Publication number Publication date
DE69806266T2 (de) 2002-11-28
EP1031189B1 (en) 2002-06-26
DE69806266D1 (de) 2002-08-01
WO1999026350A1 (en) 1999-05-27
CN1137545C (zh) 2004-02-04
CN1285976A (zh) 2001-02-28
AU9683898A (en) 1999-06-07
KR20010024633A (ko) 2001-03-26
US6112065A (en) 2000-08-29
EP1031189A1 (en) 2000-08-30

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20071013