JPS57140048A - Frequency modulator - Google Patents

Frequency modulator

Info

Publication number
JPS57140048A
JPS57140048A JP2369581A JP2369581A JPS57140048A JP S57140048 A JPS57140048 A JP S57140048A JP 2369581 A JP2369581 A JP 2369581A JP 2369581 A JP2369581 A JP 2369581A JP S57140048 A JPS57140048 A JP S57140048A
Authority
JP
Japan
Prior art keywords
diode
frequency
voltage
base band
varactor diode
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
JP2369581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6336690B2 (https=
Inventor
Taichiro Ise
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 JP2369581A priority Critical patent/JPS57140048A/ja
Publication of JPS57140048A publication Critical patent/JPS57140048A/ja
Publication of JPS6336690B2 publication Critical patent/JPS6336690B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar transistors
JP2369581A 1981-02-21 1981-02-21 Frequency modulator Granted JPS57140048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2369581A JPS57140048A (en) 1981-02-21 1981-02-21 Frequency modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2369581A JPS57140048A (en) 1981-02-21 1981-02-21 Frequency modulator

Publications (2)

Publication Number Publication Date
JPS57140048A true JPS57140048A (en) 1982-08-30
JPS6336690B2 JPS6336690B2 (https=) 1988-07-21

Family

ID=12117544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2369581A Granted JPS57140048A (en) 1981-02-21 1981-02-21 Frequency modulator

Country Status (1)

Country Link
JP (1) JPS57140048A (https=)

Also Published As

Publication number Publication date
JPS6336690B2 (https=) 1988-07-21

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