GB/T 4958.7-1988 English PDF

US$359.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4958.7-1988: Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Seven Radio transmitters
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4958.7-1988	359	Add to Cart	3 days	Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Seven Radio transmitters	Obsolete

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Basic data

Standard ID: GB/T 4958.7-1988 (GB/T4958.7-1988)
Description (Translated English): Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Seven Radio transmitters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M34
Classification of International Standard: 33.060.30
Word Count Estimation: 9,920
Date of Issue: 5/26/1988
Date of Implementation: 1/1/1989
Adopted Standard: IEC 60487-2-7-1986, IDT
Issuing agency(ies): National Bureau of Standards
Summary: This standard specifies the terrestrial radio-relay systems heterodyne transmitter electrical characteristics measurement methods applied, the transmitter does not include sub-channel radio networks and switching networks. Figure 1 is a functional block diagram of such a transmitter, and a block diagram of the actual transmitter will be slightly different in the details. The noise of the local oscillator, although is an important indicator of the transmitter, but usually not in the transmitter measurements, but between radio-relay system terminal device baseband measurements.

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