JPS56126331A - Super-regenerative front end of wireless receiver - Google Patents

Super-regenerative front end of wireless receiver

Info

Publication number
JPS56126331A
JPS56126331A JP3016280A JP3016280A JPS56126331A JP S56126331 A JPS56126331 A JP S56126331A JP 3016280 A JP3016280 A JP 3016280A JP 3016280 A JP3016280 A JP 3016280A JP S56126331 A JPS56126331 A JP S56126331A
Authority
JP
Japan
Prior art keywords
oscillation
control signal
controller part
quenching
ceases
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
JP3016280A
Other languages
Japanese (ja)
Other versions
JPS6227570B2 (en
Inventor
Masayuki Matsuo
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP3016280A priority Critical patent/JPS56126331A/en
Publication of JPS56126331A publication Critical patent/JPS56126331A/en
Publication of JPS6227570B2 publication Critical patent/JPS6227570B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

PURPOSE:To ensure an effective use of the high sensitivity characteristics proper to super-regenerative system, by providing an external controller part to secure a forcible driving of oscillations in case the oscillation of a quenching oscillating circuit ceases. CONSTITUTION:An external controller part is added to a receiver. This controller part consists of an arithmetic circuit of a microcomputer including the input and IO to detect the presence or absence of the quenchcing oscillation plus the output terminals O0-O3 to deliver a digital control signal when the oscillation of the quenching oscillating circuit 8 ceases. Then the digital control signal is converted into a proper analog control signal through the D/A converter 11 consisting of the resistance, and the optimum control signal is selected in a range of terminals O0-O3 and then supplied to the base of the transistor Tr18 of the circuit 8. Thus an oscillating action is secured forcibly by an external controller part having such oscillation detecting function and the digital control outputting function in case the quenching oscillation ceases.
JP3016280A 1980-03-10 1980-03-10 Super-regenerative front end of wireless receiver Granted JPS56126331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3016280A JPS56126331A (en) 1980-03-10 1980-03-10 Super-regenerative front end of wireless receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3016280A JPS56126331A (en) 1980-03-10 1980-03-10 Super-regenerative front end of wireless receiver

Publications (2)

Publication Number Publication Date
JPS56126331A true JPS56126331A (en) 1981-10-03
JPS6227570B2 JPS6227570B2 (en) 1987-06-16

Family

ID=12296053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3016280A Granted JPS56126331A (en) 1980-03-10 1980-03-10 Super-regenerative front end of wireless receiver

Country Status (1)

Country Link
JP (1) JPS56126331A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136825A (en) * 1981-02-18 1982-08-24 Matsushita Electric Works Ltd Super-regenerative receiving system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136825A (en) * 1981-02-18 1982-08-24 Matsushita Electric Works Ltd Super-regenerative receiving system

Also Published As

Publication number Publication date
JPS6227570B2 (en) 1987-06-16

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