JPS6046155A - スケルチ信号発生回路 - Google Patents

スケルチ信号発生回路

Info

Publication number
JPS6046155A
JPS6046155A JP58152470A JP15247083A JPS6046155A JP S6046155 A JPS6046155 A JP S6046155A JP 58152470 A JP58152470 A JP 58152470A JP 15247083 A JP15247083 A JP 15247083A JP S6046155 A JPS6046155 A JP S6046155A
Authority
JP
Japan
Prior art keywords
electric field
circuit
value
signal
squelch signal
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
JP58152470A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0317263B2 (enExample
Inventor
Gozo Kage
鹿毛　豪藏
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP58152470A priority Critical patent/JPS6046155A/ja
Publication of JPS6046155A publication Critical patent/JPS6046155A/ja
Publication of JPH0317263B2 publication Critical patent/JPH0317263B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H03G3/341—Muting when no signals or only weak signals are present

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Radio Transmission System (AREA)
JP58152470A 1983-08-23 1983-08-23 スケルチ信号発生回路 Granted JPS6046155A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58152470A JPS6046155A (ja) 1983-08-23 1983-08-23 スケルチ信号発生回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58152470A JPS6046155A (ja) 1983-08-23 1983-08-23 スケルチ信号発生回路

Publications (2)

Publication Number Publication Date
JPS6046155A true JPS6046155A (ja) 1985-03-12
JPH0317263B2 JPH0317263B2 (enExample) 1991-03-07

Family

ID=15541215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58152470A Granted JPS6046155A (ja) 1983-08-23 1983-08-23 スケルチ信号発生回路

Country Status (1)

Country Link
JP (1) JPS6046155A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408693A (en) * 1991-12-24 1995-04-18 Motorola, Inc. Muting of radio-transmitter digital audio based on received signal strength

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497311A (en) * 1978-01-19 1979-08-01 Nec Corp Rodio transmitter-receiver
JPS55145461A (en) * 1979-04-27 1980-11-13 Nec Corp Digital signal/noise ratio monitoring device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497311A (en) * 1978-01-19 1979-08-01 Nec Corp Rodio transmitter-receiver
JPS55145461A (en) * 1979-04-27 1980-11-13 Nec Corp Digital signal/noise ratio monitoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408693A (en) * 1991-12-24 1995-04-18 Motorola, Inc. Muting of radio-transmitter digital audio based on received signal strength

Also Published As

Publication number Publication date
JPH0317263B2 (enExample) 1991-03-07

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