JPS5397762A - Frequency detection system - Google Patents

Frequency detection system

Info

Publication number
JPS5397762A
JPS5397762A JP1275277A JP1275277A JPS5397762A JP S5397762 A JPS5397762 A JP S5397762A JP 1275277 A JP1275277 A JP 1275277A JP 1275277 A JP1275277 A JP 1275277A JP S5397762 A JPS5397762 A JP S5397762A
Authority
JP
Japan
Prior art keywords
detection system
frequency detection
detection
output
drift
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
JP1275277A
Other languages
Japanese (ja)
Inventor
Tadashi Furuya
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 JP1275277A priority Critical patent/JPS5397762A/en
Publication of JPS5397762A publication Critical patent/JPS5397762A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/02—Demodulation using distributed inductance and capacitance, e.g. in feeder lines
    • H03D9/04—Demodulation using distributed inductance and capacitance, e.g. in feeder lines for angle-modulated oscillations

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To ensure a stabilized detection of the input signal frequency without causing any drift to the output voltage, by using one detector circuit and also amplifying the alternating voltage of the detection output.
JP1275277A 1977-02-07 1977-02-07 Frequency detection system Pending JPS5397762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1275277A JPS5397762A (en) 1977-02-07 1977-02-07 Frequency detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1275277A JPS5397762A (en) 1977-02-07 1977-02-07 Frequency detection system

Publications (1)

Publication Number Publication Date
JPS5397762A true JPS5397762A (en) 1978-08-26

Family

ID=11814135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1275277A Pending JPS5397762A (en) 1977-02-07 1977-02-07 Frequency detection system

Country Status (1)

Country Link
JP (1) JPS5397762A (en)

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