
发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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General specification for professional radio transceiver employing F3E emission in the mobile services
本标准规定了高频保护专用收发信机装置的分类原则、技术要求和检验方法。 本标准适用于高频保护专用收发信机装置,该类装置是用于发送和接收220~550kV架空输电线路上的继电保护高频信号,保证电力系统安全可靠运行
The power line carrier transceiver dedicated to protection
High-frequency protection dedicated transceiver product quality classification
この規格(第3部)は,モノホニック(以下,モノという。)又はステレオホニック(以下,ステレオという。)のFM音声放送を受信する無線受信機及びチューナに通用するものである
Methods of measurement on receivers for AM and FM sound broadcasting emissions -- Part 3: Receivers for FM sound broadcasting emissions
Methods of measurement on receivers for AM and FM sound broadcasting emissions Part 3: Receivers for FM sound broadcasting emissions
本标准规定如备考所定义之调频或调和携带型∕个人通信设备之最低性能要求,除了电源之温度操作范围外,其附件如充电器、功率增幅器、电池等亦不包括在内。备考:携带型∕个人通信设备为可携带或戴在身上,且可由可携带之电源及天线操作之线电发射机、接收机或其二者之组合
Method of Test for Portable/Personal Radio Transmitters, Receivers, and Transmitter/Receiver Combination Land Mobile Communications FM or PM Equipment, 25-1000MH`7|
本标准应与IEC315-1号标准结合起来使用。本标准叙述的测量方法用以评价相移或频移电报线电接收机的射频特性
Methods of measurement for radio receivers of various classes of emissions Part 8: RF measurement on special receivers for FM telegraph systems
この規格(第2部)は,AM音声放送を受信する無線受信機に適用する。この規格では主として受信機のアンテナ入力端子に加えられる無線周波信号又は磁気アンテナに誘起する無線周波信号を使用する測定を取り扱う
Methods of measurement on receivers for AM and FM sound-broadcasting emissions -- Part 2: Receivers for AM sound broadcasting emissions
Methods of measurement on receivers for AM and FM sound-broadcasting emissions Part 2: Receivers for AM sound broadcasting emissions
本标准适用于调频接收机的中间频率。 本标准规定调频接收机的中间频率为10.7MHz
Intermediate frequency of FM receivers
Methods of measurement on radio receivers for various classes of emission. Part 8 : Radio-frequency measurements of professional receivers for frequency-modulated telegraphy systems
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 1: Technical characteristics and methods of measurement (Endorsed by Asociación Españ...
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 2: Harmonized EN covering essential requirements of article 3.2 of the R&TTE Direct...
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 2: Harmonised Standard covering the essential requirements of article 3.2 of the Direct...
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 1: Technical characteristics and methods of measurement (Endorsed by AENOR in December ...
General specification for professional radio transceiver employing F3E emission in the mobile services
本标准规定了高频保护专用收发信机装置的分类原则、技术要求和检验方法。 本标准适用于高频保护专用收发信机装置,该类装置是用于发送和接收220~550kV架空输电线路上的继电保护高频信号,保证电力系统安全可靠运行
The power line carrier transceiver dedicated to protection
High-frequency protection dedicated transceiver product quality classification
この規格(第3部)は,モノホニック(以下,モノという。)又はステレオホニック(以下,ステレオという。)のFM音声放送を受信する無線受信機及びチューナに通用するものである
Methods of measurement on receivers for AM and FM sound broadcasting emissions -- Part 3: Receivers for FM sound broadcasting emissions
Methods of measurement on receivers for AM and FM sound broadcasting emissions Part 3: Receivers for FM sound broadcasting emissions
本标准规定如备考所定义之调频或调和携带型∕个人通信设备之最低性能要求,除了电源之温度操作范围外,其附件如充电器、功率增幅器、电池等亦不包括在内。备考:携带型∕个人通信设备为可携带或戴在身上,且可由可携带之电源及天线操作之线电发射机、接收机或其二者之组合
Method of Test for Portable/Personal Radio Transmitters, Receivers, and Transmitter/Receiver Combination Land Mobile Communications FM or PM Equipment, 25-1000MH`7|
本标准应与IEC315-1号标准结合起来使用。本标准叙述的测量方法用以评价相移或频移电报线电接收机的射频特性
Methods of measurement for radio receivers of various classes of emissions Part 8: RF measurement on special receivers for FM telegraph systems
この規格(第2部)は,AM音声放送を受信する無線受信機に適用する。この規格では主として受信機のアンテナ入力端子に加えられる無線周波信号又は磁気アンテナに誘起する無線周波信号を使用する測定を取り扱う
Methods of measurement on receivers for AM and FM sound-broadcasting emissions -- Part 2: Receivers for AM sound broadcasting emissions
Methods of measurement on receivers for AM and FM sound-broadcasting emissions Part 2: Receivers for AM sound broadcasting emissions
本标准适用于调频接收机的中间频率。 本标准规定调频接收机的中间频率为10.7MHz
Intermediate frequency of FM receivers
Methods of measurement on radio receivers for various classes of emission. Part 8 : Radio-frequency measurements of professional receivers for frequency-modulated telegraphy systems
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 1: Technical characteristics and methods of measurement (Endorsed by Asociación Españ...
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 2: Harmonized EN covering essential requirements of article 3.2 of the R&TTE Direct...
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 2: Harmonised Standard covering the essential requirements of article 3.2 of the Direct...
Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation; Part 1: Technical characteristics and methods of measurement (Endorsed by AENOR in December ...








