JPS535514A - Disturbance signal depression circuit for fm receiver - Google Patents

Disturbance signal depression circuit for fm receiver

Info

Publication number
JPS535514A
JPS535514A JP7895776A JP7895776A JPS535514A JP S535514 A JPS535514 A JP S535514A JP 7895776 A JP7895776 A JP 7895776A JP 7895776 A JP7895776 A JP 7895776A JP S535514 A JPS535514 A JP S535514A
Authority
JP
Japan
Prior art keywords
receiver
disturbance signal
circuit
signal depression
depression circuit
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
JP7895776A
Other languages
Japanese (ja)
Other versions
JPS5639101B2 (en
Inventor
Shiro Horii
Michiaki Kurosawa
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 JP7895776A priority Critical patent/JPS535514A/en
Publication of JPS535514A publication Critical patent/JPS535514A/en
Publication of JPS5639101B2 publication Critical patent/JPS5639101B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Noise Elimination (AREA)

Abstract

PURPOSE:To obtain agood SN ratio by correcting the unevenness of the threshold level of the circuit which actuates a gate circuit by use of an input noise.
JP7895776A 1976-07-05 1976-07-05 Disturbance signal depression circuit for fm receiver Granted JPS535514A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7895776A JPS535514A (en) 1976-07-05 1976-07-05 Disturbance signal depression circuit for fm receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7895776A JPS535514A (en) 1976-07-05 1976-07-05 Disturbance signal depression circuit for fm receiver

Publications (2)

Publication Number Publication Date
JPS535514A true JPS535514A (en) 1978-01-19
JPS5639101B2 JPS5639101B2 (en) 1981-09-10

Family

ID=13676363

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7895776A Granted JPS535514A (en) 1976-07-05 1976-07-05 Disturbance signal depression circuit for fm receiver

Country Status (1)

Country Link
JP (1) JPS535514A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036417A (en) * 1973-08-07 1975-04-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036417A (en) * 1973-08-07 1975-04-05

Also Published As

Publication number Publication date
JPS5639101B2 (en) 1981-09-10

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