JPH03111040U - - Google Patents

Info

Publication number
JPH03111040U
JPH03111040U JP1925690U JP1925690U JPH03111040U JP H03111040 U JPH03111040 U JP H03111040U JP 1925690 U JP1925690 U JP 1925690U JP 1925690 U JP1925690 U JP 1925690U JP H03111040 U JPH03111040 U JP H03111040U
Authority
JP
Japan
Prior art keywords
reference voltage
modulation
variable resistor
operational amplifier
generation circuit
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.)
Granted
Application number
JP1925690U
Other languages
English (en)
Japanese (ja)
Other versions
JPH073704Y2 (ja
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 filed Critical
Priority to JP1925690U priority Critical patent/JPH073704Y2/ja
Publication of JPH03111040U publication Critical patent/JPH03111040U/ja
Application granted granted Critical
Publication of JPH073704Y2 publication Critical patent/JPH073704Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP1925690U 1990-02-27 1990-02-27 変調回路 Expired - Lifetime JPH073704Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1925690U JPH073704Y2 (ja) 1990-02-27 1990-02-27 変調回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1925690U JPH073704Y2 (ja) 1990-02-27 1990-02-27 変調回路

Publications (2)

Publication Number Publication Date
JPH03111040U true JPH03111040U (pt) 1991-11-14
JPH073704Y2 JPH073704Y2 (ja) 1995-01-30

Family

ID=31522386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1925690U Expired - Lifetime JPH073704Y2 (ja) 1990-02-27 1990-02-27 変調回路

Country Status (1)

Country Link
JP (1) JPH073704Y2 (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0647015A3 (en) * 1993-09-28 1995-12-27 Plessey Semiconductors Ltd Modulators.
JP2006238402A (ja) * 2005-01-27 2006-09-07 Saxa Inc Ｆｓｋ変調装置及びそれを備えた無線通信装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0647015A3 (en) * 1993-09-28 1995-12-27 Plessey Semiconductors Ltd Modulators.
JP2006238402A (ja) * 2005-01-27 2006-09-07 Saxa Inc Ｆｓｋ変調装置及びそれを備えた無線通信装置
JP4618554B2 (ja) * 2005-01-27 2011-01-26 サクサ株式会社 Ｆｓｋ変調装置及びそれを備えた無線通信装置

Also Published As

Publication number Publication date
JPH073704Y2 (ja) 1995-01-30

Similar Documents

Publication Publication Date Title
JP2847573B2 (ja) 電圧制御発振器
US5564100A (en) Frequency modulator having a modulation varactor coupled to output of a VCO
JPH03111040U (pt)
US5847622A (en) Quadrature phase shift keying modulating apparatus
TW437153B (en) Communications device
RU2008110047A (ru) Модулятор с двумя портами
US7205849B2 (en) Phase locked loop including an integrator-free loop filter
JPH07508386A (ja) 同期追跡ａｍ受信機
JPH01236820A (ja) 印加信号の周波数および位相に信号周波数と位相を迅速かつ低ノイズで合わせるためのサーボ装置
US8095087B1 (en) Polar modulation with coarse and fine FM signals
JPH0583032A (ja) 水晶発振回路
JPS6082847U (ja) シンセサイザ無線機
JPH0323727Y2 (pt)
JPS63193724A (ja) 無線送信機
JPH0232647A (ja) ディジタル信号の周波数変調装置
JP2555792Y2 (ja) 変調信号発生回路
JPH10233622A (ja) 能動回路および発振回路
JPH0349457Y2 (pt)
JPS61200723A (ja) 同時送受信通信機における角度変調送信波の作成回路
JPS5822346Y2 (ja) 位相同期発振器
JPH0236215U (pt)
JPS61156310U (pt)
JPS5947812A (ja) 角度変調器
JPH0370923B2 (pt)
JPS58123632U (ja) Ｐｌｌ回路を用いた送信機