MJQ - IC Transformer udvælgelses guide for T1/E1/CEPT/ISDN Quad Port Module
     
    
        
            IC 
            Producent | 
             
            Type Nummer | 
            Applikation | 
            Omsætningsforhold 
            Pri:Sek ±2% | 
            Type Nummer | 
         
        
            | Send | 
            Modtag | 
         
        
            Cirrus 
            (Crystal) | 
             C861534, 61535, 61544, 61574, 1585 | 
            T1 & PCM-30 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  C861535A, C861574A, C861575, C86158A | 
            T1 | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
        
            |  C861535A, C861574A, C861575, C86158A | 
            E1 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  C86152 | 
            - | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  C861583 | 
            T1 / E1 (3.3 V) | 
            1:2 | 
            1:2 | 
            MJQ-017-40 | 
         
        
            |  C861583 | 
            T1 / E1 (5.0 V) | 
            1:1,15 | 
            1:1,15 | 
            MJQ-015-40 | 
         
        
            |  C861584, C861584A | 
            IQ3 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            | Dallas | 
             DS2186, DS2187 | 
            - | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  DS2151, DS2152, DS2153, DS2154 | 
            T1 / E 1 - Note 1 | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  DS21Q352, DS21Q354 | 
            3V Quadro | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  DS21Q552, DS21Q554 | 
            5V Quadro | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            | Exar | 
             T5650, T5620, T5675, T5681, T5683 | 
            - | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  56L22, 56L85, C240, C260, C262, C277 | 
            - | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  T5793, T5794 | 
            Quad E1 - Note 2 | 
            1:1/1,26CT | 
            1:2CT | 
            MJQ-007-40 | 
         
        
            |  T5684 | 
            T1 | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  T7288 | 
            CEPT | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  T5894 | 
            Quadro E1 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  T5897 | 
            7 Kanal E1 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            Infineon 
            (Siemens) | 
             PEB2254, PEB2255 | 
            5V | 
            1CT:1,41 | 
            1CT:1,41 | 
            MJQ-016-40 | 
         
        
            |  PEB22554, PEB22504 | 
            3.3V | 
            1:2,4 | 
            1:1 | 
            MJQ-022-40 | 
         
        
            |  PEB22504 | 
            5V | 
            1:1,5 | 
            1,41:1 | 
            MJQ-026-40 | 
         
        
            | Level One | 
             LXT300/301/305 | 
            - | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  LXT304A/305A | 
            T1 | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
        
            |  LXT304A/305A | 
            PCM-30/75/120° - Note 2 | 
            1:1/1,26 | 
            1:2CT | 
            MJQ-007-40 | 
         
        
            |  LXT310/311 | 
            - | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  LXT317/318 | 
            T1 / E1 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  LXT317/318 | 
            T1 / E 1 - Valgfri | 
            1:2 | 
            1:2CT | 
            MJQ-021-40 | 
         
        
            |  LXT317/318 | 
            T1 / E 1 - Valgfri | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  LXT331 | 
            E1 | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  LXT332 | 
            E1 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  LXT332 | 
            E1 - Valgfri | 
            1:2 | 
            1:2CT | 
            MJQ-021-40 | 
         
        
            |  LXT334 | 
            Quadro E1 | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  LXT334 | 
            Quadro T1 | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  LXT335 | 
            Quadro E1 | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  LXT360/361/370 | 
            T1 / E1 | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  LXT380/381/384/386/388 | 
            T1 / E1 | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            |  LXT380/381/384/386/388 | 
            T1 / E1 | 
            1:2CT | 
            1CT:2 | 
            MJQ-020-40 | 
         
        
            | Lucent | 
             T7288 | 
            CEPT | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  T7289 | 
            DS1 | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
        
            |  T7290 | 
            T1 & CEPT | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  T7633 | 
            Quadro T1 / E1 | 
            1:2,1CT | 
            1:2,1CT | 
            MJQ-029-40 | 
         
        
            |  T7683 | 
            Quadro T1 | 
            1:2CT | 
            1:2CT | 
            MJQ-006-40 | 
         
        
            |  T7688 | 
            Quadro E1 | 
            1:1,36 | 
            1:1,36CT | 
            MJQ-012-40 | 
         
        
            |  T7689 | 
            Quadro T1 | 
            1:1,14 | 
            1:1,14CT | 
            MJQ-009-40 | 
         
        
            |  T7690 | 
            DS1 | 
            1:1,14 | 
            1:1,14CT | 
            MJQ-009-40 | 
         
        
            |  T7690 | 
            CEPT | 
            1:1,36 | 
            1:1,36CT | 
            MJQ-012-40 | 
         
        
            | PMC-Sierra | 
             PM4341, PM6341 | 
            - | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  PM4314 | 
            - | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  PM4351 | 
            Comet | 
            1:2,42 | 
            1:2,42 | 
            MJQ-028-40 | 
         
        
            Conexant 
            Systems 
            (Rockwell) | 
             BT8370 | 
            T1 / E1 | 
            1:1,36CT | 
            1:2CT | 
            MJQ-001-40 | 
         
        
            |  CN8380 | 
            T1 / E1 | 
            1:2CT | 
            1CT:2 | 
            MJQ-020-40 | 
         
        
            |  R8069, R8069A, R8069B | 
            - | 
            1:2CT | 
            1:1CT | 
            MJQ-003-40 | 
         
        
            | VLSI | 
             VP14Q574 | 
            T1 | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
        
            |  VP14Q574 | 
            E1 | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
        
            |  VP14Q575 | 
            T1 | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
        
            |  VP14Q575 | 
            E1 75R | 
            1:1,15 | 
            1:2CT | 
            MJQ-002-40 | 
         
    
 
 
Bemærk:
    - Dallas IC'er bruger enten en transformer med 1: 1,15 eller 1: 1.36 omsætningsforhold afhængig af applikationen. Konsulter Dallas applikations notes eller kontakt os.
 
    - For at opnå et 1:1 sekundært omsætningsforhold forbind de følgende sekundære kontakter: 39-40, 34-35, 39-30 og 24-25; et sekundært omsætningsforhold på 1: 1.26 opnås ved at forbinde kontakterne: 38-40, 33-35, 28-30 og 23-25.
 
 
 
 
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