JPS5780809A - Mixer circuit - Google Patents

Mixer circuit

Info

Publication number
JPS5780809A
JPS5780809A JP15589780A JP15589780A JPS5780809A JP S5780809 A JPS5780809 A JP S5780809A JP 15589780 A JP15589780 A JP 15589780A JP 15589780 A JP15589780 A JP 15589780A JP S5780809 A JPS5780809 A JP S5780809A
Authority
JP
Japan
Prior art keywords
signal
line
image
intermediate frequency
inputted
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
JP15589780A
Other languages
Japanese (ja)
Inventor
Takao Shinkawa
Masaki Noda
Chuichi Sodeyama
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 JP15589780A priority Critical patent/JPS5780809A/en
Publication of JPS5780809A publication Critical patent/JPS5780809A/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
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
    • H03D9/0633—Transference of modulation using distributed inductance and capacitance by means of diodes mounted on a stripline circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)

Abstract

PURPOSE:To raise the image ratio without attenuating a high frequency signal, by providing a circuit, which becomes a low impedance for an intermediate frequency, and a trap circuit, which resonates in series in an image frequency, on the line to which a local oscillation signal is inputted. CONSTITUTION:A local oscillaton signal is inputted to a line 6 and is mixed with a high frequency signal, which is inputted to a line 5B, by diodes 2 and 3 and is outputted as an intermediate frequency signal from an intermediate frequency signal output terminal 8. Since the line 6 is provided with an inductance 11 which shows a low impedance for the intermediate frequency and has the grounded terminal, an inductance 9 which resonates in series for the image frequency, and a capacitor 10, the image signal is attenuated considerably.
JP15589780A 1980-11-07 1980-11-07 Mixer circuit Pending JPS5780809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15589780A JPS5780809A (en) 1980-11-07 1980-11-07 Mixer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15589780A JPS5780809A (en) 1980-11-07 1980-11-07 Mixer circuit

Publications (1)

Publication Number Publication Date
JPS5780809A true JPS5780809A (en) 1982-05-20

Family

ID=15615891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15589780A Pending JPS5780809A (en) 1980-11-07 1980-11-07 Mixer circuit

Country Status (1)

Country Link
JP (1) JPS5780809A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450584A (en) * 1981-06-30 1984-05-22 Matsushita Electric Industrial Co., Ltd. Microwave integrated circuit mixer
JPH02100401A (en) * 1988-10-06 1990-04-12 Mitsubishi Electric Corp Microwave equipment
EP0732804A1 (en) * 1995-03-17 1996-09-18 Deutsche Thomson-Brandt Gmbh Filter circuit
FR2765402A1 (en) * 1997-06-27 1998-12-31 Henri Havot Placement device for high frequency mass of inductance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5563106A (en) * 1978-11-06 1980-05-13 Hitachi Ltd Mixer circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5563106A (en) * 1978-11-06 1980-05-13 Hitachi Ltd Mixer circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450584A (en) * 1981-06-30 1984-05-22 Matsushita Electric Industrial Co., Ltd. Microwave integrated circuit mixer
JPH02100401A (en) * 1988-10-06 1990-04-12 Mitsubishi Electric Corp Microwave equipment
EP0732804A1 (en) * 1995-03-17 1996-09-18 Deutsche Thomson-Brandt Gmbh Filter circuit
FR2765402A1 (en) * 1997-06-27 1998-12-31 Henri Havot Placement device for high frequency mass of inductance

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