JPS5355944A - Active filter/oscillator - Google Patents

Active filter/oscillator

Info

Publication number
JPS5355944A
JPS5355944A JP13087076A JP13087076A JPS5355944A JP S5355944 A JPS5355944 A JP S5355944A JP 13087076 A JP13087076 A JP 13087076A JP 13087076 A JP13087076 A JP 13087076A JP S5355944 A JPS5355944 A JP S5355944A
Authority
JP
Japan
Prior art keywords
oscillator
active filter
filter
receiving time
shortens
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
JP13087076A
Other languages
Japanese (ja)
Inventor
Hiroshi Koyada
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 JP13087076A priority Critical patent/JPS5355944A/en
Publication of JPS5355944A publication Critical patent/JPS5355944A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator

Abstract

PURPOSE:To achieve a active filter/oscillator which operates as an active filter when the receiving time and also function as an oscillator which shortens the transmission rise time at the receiving time respectively through switching action, and to utilize the filter/oscillator to a selective calling device such as a mobile radio apparatus, etc.
JP13087076A 1976-10-29 1976-10-29 Active filter/oscillator Pending JPS5355944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13087076A JPS5355944A (en) 1976-10-29 1976-10-29 Active filter/oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13087076A JPS5355944A (en) 1976-10-29 1976-10-29 Active filter/oscillator

Publications (1)

Publication Number Publication Date
JPS5355944A true JPS5355944A (en) 1978-05-20

Family

ID=15044614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13087076A Pending JPS5355944A (en) 1976-10-29 1976-10-29 Active filter/oscillator

Country Status (1)

Country Link
JP (1) JPS5355944A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772415A (en) * 1980-10-07 1982-05-06 Kokusai Electric Co Ltd Circuir having function of band pass filter and oscillator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036450B1 (en) * 1971-06-14 1975-11-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036450B1 (en) * 1971-06-14 1975-11-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772415A (en) * 1980-10-07 1982-05-06 Kokusai Electric Co Ltd Circuir having function of band pass filter and oscillator

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