JPS5235561A - Resonance charcteristic measurement of resonance circuit of superheter odyne receiver - Google Patents

Resonance charcteristic measurement of resonance circuit of superheter odyne receiver

Info

Publication number
JPS5235561A
JPS5235561A JP50111412A JP11141275A JPS5235561A JP S5235561 A JPS5235561 A JP S5235561A JP 50111412 A JP50111412 A JP 50111412A JP 11141275 A JP11141275 A JP 11141275A JP S5235561 A JPS5235561 A JP S5235561A
Authority
JP
Japan
Prior art keywords
resonance
measurement
superheter
odyne
charcteristic
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
JP50111412A
Other languages
Japanese (ja)
Other versions
JPS5811779B2 (en
Inventor
Tetsuji Morioka
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50111412A priority Critical patent/JPS5811779B2/en
Publication of JPS5235561A publication Critical patent/JPS5235561A/en
Publication of JPS5811779B2 publication Critical patent/JPS5811779B2/en
Expired 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
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

PURPOSE:The signal corresponding to local oscillation frequency signal is applied to local oscillation circuit, and the frequency signal of the sum or difference of the signal corresponding to local transmission frequency signal and intermediate frequency signal is supplied to antenna resonance circuit to perform a measurement. In this way, effects of local oscillation circuit is eliminated as well as accuracy of the measurement is increased.
JP50111412A 1975-09-12 1975-09-12 Resonance characteristic measurement device for antenna resonant circuit in super-heterodyne receiver Expired JPS5811779B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50111412A JPS5811779B2 (en) 1975-09-12 1975-09-12 Resonance characteristic measurement device for antenna resonant circuit in super-heterodyne receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111412A JPS5811779B2 (en) 1975-09-12 1975-09-12 Resonance characteristic measurement device for antenna resonant circuit in super-heterodyne receiver

Publications (2)

Publication Number Publication Date
JPS5235561A true JPS5235561A (en) 1977-03-18
JPS5811779B2 JPS5811779B2 (en) 1983-03-04

Family

ID=14560495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50111412A Expired JPS5811779B2 (en) 1975-09-12 1975-09-12 Resonance characteristic measurement device for antenna resonant circuit in super-heterodyne receiver

Country Status (1)

Country Link
JP (1) JPS5811779B2 (en)

Also Published As

Publication number Publication date
JPS5811779B2 (en) 1983-03-04

Similar Documents

Publication Publication Date Title
JPS5255361A (en) Variable frequency oscillator
JPS5235561A (en) Resonance charcteristic measurement of resonance circuit of superheter odyne receiver
JPS5224019A (en) Tuning receive system
JPS5222415A (en) Radio receiver with clock
JPS5312A (en) Am receiver
JPS538005A (en) Frequency mixer
JPS52125219A (en) Radio receiver
JPS5547740A (en) Fm receiver
JPS5286710A (en) Am-fm radio receiver
JPS535915A (en) Am receiver
JPS52125218A (en) Dadio receiver
JPS5253612A (en) Muting circuit
JPS5365687A (en) Signal detector
JPS53109462A (en) Arbitrary frequency generator
JPS51114046A (en) Block average circuit
JPS5293314A (en) Electronic musical instrument
JPS5370615A (en) Frequency converter
JPS52122026A (en) Digital display receiver
JPS53108706A (en) Ssb receiver
JPS5386261A (en) Acoustic signal producing circuit for use in electronic timepiece
JPS5327311A (en) Receiver
JPS5350873A (en) Electronic watch
JPS52122162A (en) Electronic watch
JPS5419304A (en) Transmission and reception circuit of tone signal
JPS5348605A (en) Modulation circuit of radio transmitter