IEC 60244-4:1973 

Methods of measurement for radio transmitters. Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting


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Applies to all transmitters for A3 class of operation. Applies also to radiotelephony transmitters with 1, 2, 3 or 4 channels for A3A, A3B, A3H and A3J class of operation, and to frequency modulated transmitters for monophonic sound broadcasting. Applies in part to transmitters for A7A and A7B class of operation. IEC 60244-4 itself describes standard operating conditions, standard modulation input arrangements and frequencies (Section One). It also describes standard methods to be used for measuring input impedance, the amplitude/frequency characteristics and the intelligible crosstalk (Section Two).

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Additional information

Publication typeInternational Standard
Publication date1973-01-01
Available language(s)English/French
TC/SCTC 103 - Transmitting and receiving equipment for radiocommunicationrss
ICS33.060.20 - Receiving and transmitting equipment
Stability date  2025
File size1881 KB

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