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IEC 60487-2-4*CEI 60487-2-4

Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2 : Measurements for sub-systems. Section Four - Frequency modulators

Số trang: 24
Ngày phát hành: 1984-00-00

Liên hệ
Applies to the electrical characteristics of frequency modulators. Where possible, only measurements of the basic modulator are involved, that is excluding the baseband section comprising the pre-emphasis network and the networks associated with sound carrier signals, pilot signals and auxiliary signals.
Số hiệu tiêu chuẩn
IEC 60487-2-4*CEI 60487-2-4
Tên tiêu chuẩn
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2 : Measurements for sub-systems. Section Four - Frequency modulators
Ngày phát hành
1984-00-00
Trạng thái
Có hiệu lực
Tiêu chuẩn tương đương
DIN IEC 60487-2-4 (1988-08), IDT * GB/T 4958.5 (1988), IDT * HD 477.2.4 S1 (1987), IDT * OEVE HD 477.2.4 S1 (1989-10-18), IDT * SS-IEC 487 (1989-03-08), IDT * UNE 20711-2-4 (1996-05-10), IDT * TS 9754 HD 477.2.4 S1 (2005-04-21), IDT * NEN 10487-2-4 (1985), IDT * NP-2845/11 (1985), IDT * STN 35 3463-2-4 (2013-05-01), IDT * CSN IEC 487-2-4 (1998-03-01), IDT * NEN 10487-2-4:1985 en;fr (1985-08-01), IDT
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Lịch sử ban hành
IEC 60487-2-4*CEI 60487-2-4 (1984)
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2 : Measurements for sub-systems. Section Four - Frequency modulators
Số hiệu tiêu chuẩn IEC 60487-2-4*CEI 60487-2-4
Ngày phát hành 1984-00-00
Mục phân loại 33.060.30. Hệ thống thông tin tiếp âm vô tuyến và vệ tinh cố định
Trạng thái Có hiệu lực
Từ khóa
Definitions * Demodulators * Electrical engineering * Frequency modulation * Frequency modulators * Measurement * Measuring techniques * Microwaves * Modulators * Properties * Radio engineering * Radio equipment * Radiocommunication * Radio-relay systems * Scoring procedures (tests) * Specification (approval) * Subsystems * Telecommunication links * Terrestrial * Interpretations * Radio circuits
Số trang
24