JPS52125220A - Tuning unit - Google Patents

Tuning unit

Info

Publication number
JPS52125220A
JPS52125220A JP4130676A JP4130676A JPS52125220A JP S52125220 A JPS52125220 A JP S52125220A JP 4130676 A JP4130676 A JP 4130676A JP 4130676 A JP4130676 A JP 4130676A JP S52125220 A JPS52125220 A JP S52125220A
Authority
JP
Japan
Prior art keywords
tuning unit
frequency
unit
enable
small loss
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
JP4130676A
Other languages
Japanese (ja)
Inventor
Toshio Nagashima
Shigeo Matsuura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4130676A priority Critical patent/JPS52125220A/en
Publication of JPS52125220A publication Critical patent/JPS52125220A/en
Pending 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
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

PURPOSE:To enable the unit having small loss at the reception frequency, and large attenuating degree at the local oscillating frequency and image frequency.
JP4130676A 1976-04-14 1976-04-14 Tuning unit Pending JPS52125220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4130676A JPS52125220A (en) 1976-04-14 1976-04-14 Tuning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4130676A JPS52125220A (en) 1976-04-14 1976-04-14 Tuning unit

Publications (1)

Publication Number Publication Date
JPS52125220A true JPS52125220A (en) 1977-10-20

Family

ID=12604795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4130676A Pending JPS52125220A (en) 1976-04-14 1976-04-14 Tuning unit

Country Status (1)

Country Link
JP (1) JPS52125220A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181040U (en) * 1986-05-06 1987-11-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181040U (en) * 1986-05-06 1987-11-17
JPH0450656Y2 (en) * 1986-05-06 1992-11-30

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