JPS5732141A - Frequency variable receiver - Google Patents

Frequency variable receiver

Info

Publication number
JPS5732141A
JPS5732141A JP9609981A JP9609981A JPS5732141A JP S5732141 A JPS5732141 A JP S5732141A JP 9609981 A JP9609981 A JP 9609981A JP 9609981 A JP9609981 A JP 9609981A JP S5732141 A JPS5732141 A JP S5732141A
Authority
JP
Japan
Prior art keywords
frequency variable
variable receiver
receiver
frequency
variable
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.)
Pending
Application number
JP9609981A
Other languages
English (en)
Inventor
Eru Hotsupaa Robaato
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.)
MICRODYNE CORP
Original Assignee
MICRODYNE 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 MICRODYNE CORP filed Critical MICRODYNE CORP
Publication of JPS5732141A publication Critical patent/JPS5732141A/ja
Pending legal-status Critical Current

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
JP9609981A 1980-07-11 1981-06-23 Frequency variable receiver Pending JPS5732141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/168,667 US4429418A (en) 1980-07-11 1980-07-11 Frequency agile satellite receiver

Publications (1)

Publication Number Publication Date
JPS5732141A true JPS5732141A (en) 1982-02-20

Family

ID=22612440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9609981A Pending JPS5732141A (en) 1980-07-11 1981-06-23 Frequency variable receiver

Country Status (3)

Country Link
US (1) US4429418A (ja)
JP (1) JPS5732141A (ja)
CA (1) CA1155979A (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619212A (en) * 1982-03-01 1997-04-08 Western Atlas International, Inc. System for determining position from suppressed carrier radio waves
US4870422A (en) * 1982-03-01 1989-09-26 Western Atlas International, Inc. Method and system for determining position from signals from satellites
US4726072A (en) * 1983-07-28 1988-02-16 Matsushita Electric Industrial Co., Ltd. Double converter tuner
US4754465A (en) * 1984-05-07 1988-06-28 Trimble Navigation, Inc. Global positioning system course acquisition code receiver
JPS61137407A (ja) * 1984-12-08 1986-06-25 New Japan Radio Co Ltd 周波数変換器
US4777657A (en) * 1987-04-01 1988-10-11 Iss Engineering, Inc. Computer controlled broadband receiver
US5073930A (en) * 1989-10-19 1991-12-17 Green James A Method and system for receiving and distributing satellite transmitted television signals
GB9115350D0 (en) * 1991-07-16 1991-08-28 Navstar Ltd A radio receiver
US5193210A (en) * 1991-07-29 1993-03-09 Abc Auto Alarms, Inc. Low power RF receiver
US6122482A (en) 1995-02-22 2000-09-19 Global Communications, Inc. Satellite broadcast receiving and distribution system
US5557617A (en) * 1995-02-24 1996-09-17 Harris Corporation Frequency division switching using RF buss
US5966645A (en) * 1997-06-03 1999-10-12 Garmin Corporation Transmitter with low-level modulation and minimal harmonic emissions
DE19946494A1 (de) 1999-09-28 2001-05-03 Infineon Technologies Ag Empfänger für verschiedene Frequenzbänder
US8014724B2 (en) 1999-10-21 2011-09-06 Broadcom Corporation System and method for signal limiting
US7548726B1 (en) 1999-10-21 2009-06-16 Broadcom Corporation Adaptive radio transceiver with a bandpass filter
US7299006B1 (en) * 1999-10-21 2007-11-20 Broadcom Corporation Adaptive radio transceiver
US7558556B1 (en) 1999-10-21 2009-07-07 Broadcom Corporation Adaptive radio transceiver with subsampling mixers
US7555263B1 (en) 1999-10-21 2009-06-30 Broadcom Corporation Adaptive radio transceiver
US7113744B1 (en) 1999-10-21 2006-09-26 Broadcom Corporation Adaptive radio transceiver with a power amplifier
US6961546B1 (en) * 1999-10-21 2005-11-01 Broadcom Corporation Adaptive radio transceiver with offset PLL with subsampling mixers
US6987966B1 (en) 1999-10-21 2006-01-17 Broadcom Corporation Adaptive radio transceiver with polyphase calibration
GB0423394D0 (en) * 2004-10-21 2004-11-24 Eads Astrium Ltd Improvements in the flexibility of communications satellite payloads
US7672658B2 (en) * 2006-07-10 2010-03-02 United Microelectronics Corp. Frequency-converting circuit and down converter with the same
US7577418B2 (en) * 2006-07-18 2009-08-18 United Microelectronics Corp. Sub-harmonic mixer and down converter with the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE514424A (ja) 1951-09-27
US2998517A (en) 1960-03-11 1961-08-29 Collins Radio Co Variable bandwidth and center frequency receiving scheme
US3141135A (en) 1962-05-11 1964-07-14 Westinghouse Electric Corp Semiconductive oscillator-mixer device
US3324396A (en) 1964-09-28 1967-06-06 Bell Telephone Labor Inc Multiple conversion transceiver utilizing single oscillator
US3766481A (en) 1970-04-20 1973-10-16 Itt Radiant energy receiver
US3931578A (en) 1973-12-26 1976-01-06 General Electric Company Multiple frequency band receiver tuner system using single, non-bandswitched local oscillator
US4262361A (en) 1979-06-29 1981-04-14 Edmac Associates, Inc. Variable bandwidth filtering and frequency converting system

Also Published As

Publication number Publication date
US4429418A (en) 1984-01-31
CA1155979A (en) 1983-10-25

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