TITLE TRANSFORMER, HDSL SCHOTT 1000 PARKERS LAKE ROAD CORPORATION WAYZATA, MN 55391 SPECIFICATIONS B 28888 PAGE 1 END 1 SCHOTT 28888 YYWW 8 1. INDUCTANCE: (1-2-3-4) @ 10 Khz, 0.1V = 3.5 mhy ±5% .780 MAX (19.81) 5 3. LEAKAGE INDUCTANCE: (1-2-3-4) @ 100 Khz, WITH 5-8 SHORTED < 25 µhy 4. INTERWINDING CAPACITANCE: (5-8) TO (1-2-3-4) @ 100 Khz < 75 pf GROUND SHIELD REV .780 MAX (19.81) TEMP CLASS 105°C 2. TURNS RATIO: (1-2):(3-4):(5-8) = 1:1:1 ±2% PART NUMBER AGENCY APPROVAL: N/A 4 .640 MAX (16.26) 5. DC RESISTANCE: (1-2),(3-4),(5-8) = 1.60 OHM ±10% 6. RETURN LOSS: (1-2-3-4) REF 135 OHM, (5-8) LOADED 30 OHM; 33 Khz-110 Khz > 17 db, 18Khz - 610Khz > 7dB .150 MIN (3.81) .591 ± .010 (15.0) 7. LONGITUDINAL BALANCE: (1-2-3-4) @ 135 OHM, 200 Khz > 55db .197 ±.010 (5.0) Sq. .024 (0.61) 1 6 8. FREQUENCY RESPONSE: (1-2-3-4) REF 135 OHM, LOAD 30 OHM, 33 Khz-110Khz , < 0.2 db 5 2 3 9. HARMONIC DISTORION: 135 OHM, 33 Khz, 60mADC, 5 V P-P > 70 db NOTE: Not necessary to test in production. 8 7 10. DIELECTRIC STRENGTH: 3550 VDC 4 DESIGNED FOR USE WITH BROOKTREE 8958 GROUND ONLY ONE END OF SHIELD inches (mm) 2 PLACE TOLERANCES UNLESS OTHERWISE NOTED ± .01 3 PLACE ± .005 ANGLE ± °