实施日期:2004-02-16
实施日期:2004-06-01
Requirements of 600-9600bit/s baseband MODEM
适用范围:本标准规定了600~9600bit/s范围内五种标准速率基带调制解调器(简称基带解调器)的技术要求,作为研制和生产该类设备的依据。
发布日期:1987-03-02 实施日期:1987-11-01
Magnetic tape sound recording and reproducing systems - Part 4: Mechanical magnetic tape properties (IEC 60094-4:1986 + A1:1994); German version EN 60094-4:1994 + A1:1994
Telecommunication and electronic equipment. Aerials for the reception of sound and television broadcasting in the frequency range 30 MHzto 1 GHz.
实施日期:1984-10-01
Discrete semiconductor devices and integrated circuits - Part 5-3: Optoelectronic devices - Measuring methods
适用范围:Describes the measuring methods applicable to the optoelectronic devices which are not intended to be used in the fibre optic systems or subsystems.
发布日期:1997-09-05 实施日期:1997-09-05
实施日期:2007-08-01
Messverfahren fuer Funkgeraet im beweglichen Dienst. Sender,die Einseitenbandaussendungen (A3A,A3H oder A3J) verwenden Measurement for Radio the Equipment Used in Mobile Services Part 4:Transmitters Em...
适用范围:Applies to transmitters having a.f. bandwidths not exceeding 10 kHz and using single-sideband amplitude modulation with full, reduced or suppressed carrier.
实施日期:1981-01-01
Integrated Services Digital Network (ISDN) - Circuit-mode multiple-rate unrestricted 8 kHz structured bearer service category - Service description; English version ETS 300389:1994
适用范围:The document deals with the stage 1 of the circuit-mode multiple-rate bearer service category for the European ISDN.
Mechanische Schwingungen und Stoesse. Hand-Arm-Schwingungen. Verfahren fuer die Messung und Bewertung der Schwingungsuebertragung von Handschuhen in der Handflaeche Mechanical Vibration and Shock-Hand-...
适用范围:This European Standard specifies a method for the laboratory measurement, the data analysis and reporting of the vibration transmissibility of gloves in terms of vibration transmission from a handle to...
实施日期:1997-03-15
实施日期:2009-01-01
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