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frequency-modulated voice-frequency telegraph fm audio telegraph modulation rate telegraph hz scopethis standard information security management work oil-immersed shunt variable frequency circulating pump energy efficiency evaluation method introductionthis standard
GB/T 5581-1985 in English

GB/T 5581-1985 in English

ABOLISHED

Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz

  • Issued on:1985-01-01
  • Implemented on:1986-07-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $260.00
$253.00
Standard No: GB/T 5581-1985
Document status: ABOLISHED
Superseded on: 2004-10-14
Title in English: Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz
Title in Chinese: 75波特/180Hz调频音频电报机技术要求和测试方法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1985-01-01
Implemented on: 1986-07-01
Chinese Classification: M38-Digital communication equipment
Professional Classification: GB-National Standard
Related Keywords: frequency-modulated voice-frequency telegraph
fm audio telegraph
modulation rate
telegraph
hz scopethis standard
Related Topics: GBT5581

《GB/T 5581-198575波特/180 Hz调频音频电报机技术要求和测试方法》由339-2(工业和信息化部(通信))归口,主管部门为工业和信息化部(通信)。
本标准适用于在载波话路上固定安装的75波特、报路间隔180Hz调频音频电报机。


Scope

This standard is applicable to 75 baud and 180Hz FM audio telegraph (hereinafter referred to as the telegraph) fixedly installed on the carrier telephone line.

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