JPH0512891B2 - - Google Patents

Info

Publication number
JPH0512891B2
JPH0512891B2 JP2076353A JP7635390A JPH0512891B2 JP H0512891 B2 JPH0512891 B2 JP H0512891B2 JP 2076353 A JP2076353 A JP 2076353A JP 7635390 A JP7635390 A JP 7635390A JP H0512891 B2 JPH0512891 B2 JP H0512891B2
Authority
JP
Japan
Prior art keywords
filter
frequency
band
group
standard
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 - Lifetime
Application number
JP2076353A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02276351A (ja
Inventor
Fumiaki Mukoyama
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2076353A priority Critical patent/JPH02276351A/ja
Publication of JPH02276351A publication Critical patent/JPH02276351A/ja
Publication of JPH0512891B2 publication Critical patent/JPH0512891B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Filters That Use Time-Delay Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2076353A 1990-03-26 1990-03-26 Ｆｓｋ復調回路 Granted JPH02276351A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2076353A JPH02276351A (ja) 1990-03-26 1990-03-26 Ｆｓｋ復調回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2076353A JPH02276351A (ja) 1990-03-26 1990-03-26 Ｆｓｋ復調回路

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP55157193A Division JPS5780851A (en) 1980-11-07 1980-11-07 Fsk demodulating circut

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4082290A Division JPH0722292B2 (ja) 1992-04-03 1992-04-03 Ｆｓｋ復調回路

Publications (2)

Publication Number Publication Date
JPH02276351A JPH02276351A (ja) 1990-11-13
JPH0512891B2 true JPH0512891B2 (enrdf_load_html_response) 1993-02-19

Family

ID=13602998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2076353A Granted JPH02276351A (ja) 1990-03-26 1990-03-26 Ｆｓｋ復調回路

Country Status (1)

Country Link
JP (1) JPH02276351A (enrdf_load_html_response)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0722292B2 (ja) * 1992-04-03 1995-03-08 セイコーエプソン株式会社 Ｆｓｋ復調回路
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7321735B1 (en) 1998-10-21 2008-01-22 Parkervision, Inc. Optical down-converter using universal frequency translation technology
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6963734B2 (en) 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
US7292835B2 (en) 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7554508B2 (en) 2000-06-09 2009-06-30 Parker Vision, Inc. Phased array antenna applications on universal frequency translation
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7085335B2 (en) 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US6975848B2 (en) 2002-06-04 2005-12-13 Parkervision, Inc. Method and apparatus for DC offset removal in a radio frequency communication channel
US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1088161A (en) * 1978-04-03 1980-10-21 Northern Telecom Limited Sampled analog filters
CH625373A5 (enrdf_load_html_response) * 1978-12-18 1981-09-15 Centre Electron Horloger

Also Published As

Publication number Publication date
JPH02276351A (ja) 1990-11-13

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