JPS58137310A - 周波数弁別器 - Google Patents

周波数弁別器

Info

Publication number
JPS58137310A
JPS58137310A JP57020368A JP2036882A JPS58137310A JP S58137310 A JPS58137310 A JP S58137310A JP 57020368 A JP57020368 A JP 57020368A JP 2036882 A JP2036882 A JP 2036882A JP S58137310 A JPS58137310 A JP S58137310A
Authority
JP
Japan
Prior art keywords
detector
frequency
signal
operational amplifier
phase
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
JP57020368A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6348447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Masahiro Funahashi
舟橋　政弘
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
Nippon Electric Co Ltd
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, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP57020368A priority Critical patent/JPS58137310A/ja
Publication of JPS58137310A publication Critical patent/JPS58137310A/ja
Publication of JPS6348447B2 publication Critical patent/JPS6348447B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP57020368A 1982-02-09 1982-02-09 周波数弁別器 Granted JPS58137310A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57020368A JPS58137310A (ja) 1982-02-09 1982-02-09 周波数弁別器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57020368A JPS58137310A (ja) 1982-02-09 1982-02-09 周波数弁別器

Publications (2)

Publication Number Publication Date
JPS58137310A true JPS58137310A (ja) 1983-08-15
JPS6348447B2 JPS6348447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-09-29

Family

ID=12025130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57020368A Granted JPS58137310A (ja) 1982-02-09 1982-02-09 周波数弁別器

Country Status (1)

Country Link
JP (1) JPS58137310A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6348447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-09-29

Similar Documents

Publication Publication Date Title
US6538498B2 (en) Gm-C tuning circuit with filter configuration
US4827151A (en) Uninterruptible power supply utilizing a synchronized chopper for power factor improvement
JPS5821171A (ja) センサ−のインピ−ダンスを測定する方法と回路装置
US5204606A (en) Induction motor control apparatus
JP2680345B2 (ja) Ｐｗｍ制御による電源装置
US5751567A (en) AC-DC converter
US4706176A (en) Clocked direct voltage converter
US5400236A (en) Inventor-controlled power unit
DE3834639C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US3644847A (en) Frequency-following voltage-controlled filter providing substantially constant output amplitude
US5258700A (en) Generator unit having function of automatically adapting itself to parallel operation
JPH1169631A (ja) 発電システム及び発電システムの制御方法
US4167777A (en) Switching-mode regulator
JPS58137310A (ja) 周波数弁別器
GB2114780A (en) Current control pulse width modulated inverter machine drive system
JPS594331A (ja) 発振器
US4344125A (en) System for precise regulation of the output voltage or current of a push-pull inverter having large variations of input voltage
SU1111262A1 (ru) Ретгеновский генератор
JP2732428B2 (ja) チョッパ装置
JPH0718175Y2 (ja) 全波整流回路
JPH04372226A (ja) Ａ／ｄコンバータの入力回路
JPS6280565A (ja) 無効電力検出装置
JPH0344518B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH049018B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6124319A (ja) 制御系入力用検出装置