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IEC 60244-4-ed.1.0
Methods of measurement for radio transmitters. Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting
STANDARD published on 1.1.1973
The information about the standard:
Designation standards: IEC 60244-4-ed.1.0
Publication date standards: 1.1.1973
SKU: NS-409225
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60244-4-ed.1.0 :
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). Sapplique a tous les emetteurs pour emissions de classe A3, ainsi quaux emetteurs de radiotelephonie a 1, 2, 3 ou 4 voies pour emissions de classe A3A, A3B, A3H, A3J, et aux emetteurs de radiodiffusion sonore pour emissions monophoniques de classe F3. Sapplique partiellement aux emetteurs pour emission de classe A7A et A7B. Decrit les conditions normales de fonctionnement, les circuits dentree normaux, et les frequences normales de modulation (section un). Elle decrit egalement les methodes normales a utiliser pour mesurer limpedance dentree, les caracteristiques amplitude/frequence et la diaphonie intelligible (section deux).
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