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| ISDN S-Bus TEW4923 is designed/approved for use as an input/output transformer in the ISDN S-Interface. Features Input/Output Transformer TEW4923 " " " " " TEW4923 - 1 TEW4923 - 2 " " TEW4923 - 3 TEW4923 - 4 AMD National Siemens Siemens Siemens Siemens Intel Mitel Mitel Mitel 79C30A TP3420 PEB2080 PEB2081 PEB2085 PEB2086 29C53 MT8930A MT8930B MT8931B TEW4923 * * Certified to the safety requirements of : EN41003 and EN60959. BABT CR/T/0053. Fully encapsulated in epoxy for mechanical protection and to insure the dielectric strength requirements. Motorola MC145474 Motorola MC145475 Motorola MC145574 MECHANICAL 6 5 4 TEW4923, -1 and -3 1 2 3 6 5 4 TEW4923-2 1 3 3 MT8930A/B 1 4 5 6 1 WHITE DOT AT PIN 1 3 6 5 4 Connection of TEW4923-2 TEW4923 ELECTRICAL Turns ratio DCR Inductance (Ohms) (mH) (H) (dB) (1 - 3) : (6 - 4) (1 - 3) (6 - 4) (6 - 4) (6 - 4) 10 - 300 KHz TEW4923 2 :1 5.4 2.7 > 22 < 6.0 > 54 TEW4923-1 1.8 : 1 6.7 3.2 > 22 < 6.0 > 54 TEW4923-2 2 :1 8.4 3.7 > 22 < 12 > 54 TEW4923-3 1:1 3.7 3.2 > 22 < 6.0 > 54 TEW4923-4 2.5 : 1 12.8 3.2 > 22 < 12 > 54 ISSUE: G 96/02/29 Leakage Ind. L..C.L. Output/Input Impedance Pulse Shape Dielectric Strength (Volts rms) 4000 Conforms to the impedance mask given in CCITT I.430. Conforms to the pulse mask given in CCITT I.430 with 50 and 400 ohms terminations. 4000 4000 4000 4000 Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada, K2E 7K3, Tel: (613) 226-1626, Fax: (613) 226-7124 3-8 |
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