JPH0810980Y2 - Fsk受信機 - Google Patents

Fsk受信機

Info

Publication number
JPH0810980Y2
JPH0810980Y2 JP1989057855U JP5785589U JPH0810980Y2 JP H0810980 Y2 JPH0810980 Y2 JP H0810980Y2 JP 1989057855 U JP1989057855 U JP 1989057855U JP 5785589 U JP5785589 U JP 5785589U JP H0810980 Y2 JPH0810980 Y2 JP H0810980Y2
Authority
JP
Japan
Prior art keywords
tca
voltage
signal
output
frequency
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
JP1989057855U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02147952U (en]
Inventor
洋一郎 南
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
Priority to JP1989057855U priority Critical patent/JPH0810980Y2/ja
Priority to CA002014916A priority patent/CA2014916C/en
Priority to EP90304265A priority patent/EP0394064B1/en
Priority to DE69030838T priority patent/DE69030838T2/de
Priority to AU53753/90A priority patent/AU624707B2/en
Priority to US07/511,696 priority patent/US5091921A/en
Publication of JPH02147952U publication Critical patent/JPH02147952U/ja
Application granted granted Critical
Publication of JPH0810980Y2 publication Critical patent/JPH0810980Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Networks Using Active Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP1989057855U 1989-04-20 1989-05-18 Fsk受信機 Expired - Lifetime JPH0810980Y2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1989057855U JPH0810980Y2 (ja) 1989-05-18 1989-05-18 Fsk受信機
CA002014916A CA2014916C (en) 1989-04-20 1990-04-19 Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
EP90304265A EP0394064B1 (en) 1989-04-20 1990-04-20 Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
DE69030838T DE69030838T2 (de) 1989-04-20 1990-04-20 Direktmischempfänger mit lokaler Trägerzitterfrequenz zur gesendeten Trägerfrequenz-Erfassung
AU53753/90A AU624707B2 (en) 1989-04-20 1990-04-20 Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
US07/511,696 US5091921A (en) 1989-04-20 1990-04-20 Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989057855U JPH0810980Y2 (ja) 1989-05-18 1989-05-18 Fsk受信機

Publications (2)

Publication Number Publication Date
JPH02147952U JPH02147952U (en]) 1990-12-17
JPH0810980Y2 true JPH0810980Y2 (ja) 1996-03-29

Family

ID=31582941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989057855U Expired - Lifetime JPH0810980Y2 (ja) 1989-04-20 1989-05-18 Fsk受信機

Country Status (1)

Country Link
JP (1) JPH0810980Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144953U (ja) * 1983-03-17 1984-09-27 日本電気株式会社 周波数シフトキ−イング信号用受信機
JPS6210914A (ja) * 1985-07-08 1987-01-19 Tokyo Denshi Yakin Kenkyusho:Kk 合成リアクタンス装置

Also Published As

Publication number Publication date
JPH02147952U (en]) 1990-12-17

Similar Documents

Publication Publication Date Title
US6016422A (en) Method of and apparatus for generating radio frequency quadrature LO signals for direct conversion transceivers
US5983082A (en) Phase quadrature signal generator having a variable phase shift network
KR100314798B1 (ko) 집적화된이미지제거믹서
US6236847B1 (en) Receiver and filter arrangement comprising polyphase filters
KR100392150B1 (ko) 통신수신기및통신수신기용장치
JP2004166204A (ja) 周波数変換器および無線送受信機
JPH07131253A (ja) 高周波乗算回路
JPH0810980Y2 (ja) Fsk受信機
JP2003110358A (ja) 発振器
US6335659B1 (en) Demodulator circuits
Song A narrow-band CMOS FM receiver based on single-sideband modulation IF filtering
Song et al. A CMOS double-heterodyne FM receiver
JPH02206205A (ja) 周波数変換ミクサ
JP2760171B2 (ja) 選択呼出受信機
JP2576266B2 (ja) Fsk受信機
JP2003283253A (ja) Iq変復調回路
JP2513329B2 (ja) 周波数変調波受信装置
KR100646687B1 (ko) 디지털 진폭-변조 무선 신호를 복조하는 방법 및 회로 장치
JPH0241961Y2 (en])
JP2001136051A (ja) 片相変換回路
JP3525332B2 (ja) Fm受信機用半導体集積回路
JPH0347015B2 (en])
HK1032159B (en) Demodulator circuits
JP2550701B2 (ja) Fsk受信機
JP4359839B2 (ja) Fsk受信装置