REV. Status PRELIMINARY 02/23/00 MP PRELIMINARY HDSL transformer designed for use with Level One HDSL IC chips SK70704/SK70707 lw at 1168kbps rates rN A. Electrical Specifications (@ 25C) 20 1. Primary (Line side) Impedance; 1350 2|~ 2. Secondary (IC side) Impedance; 420 | 3. Longitudinal Balance; 53dBm MIN @ S50OHz TO 292KHz, OdBm i (Per FCC part 68.310, pin 7 grounded) a 4. Insertion Loss; 1.0dB MAX @ 100KHz, OdBm = 5. Total Harmonic Distortion; 84.5dB TYP @ 5KHz, 1.45Vrms 6. Primary Open Circuit Inductance; 0.60mH +5% @ 10KHz, 1.0Vrms Measured (9-7) 7. Leakage Inductance; 20m MAX @ 100KHz, 0.1Vrms Measured (9-7) with 2 & 4, and 1 & 5 shorted 8. Interwinding Capacitance; 75pF MAX @ 100KHz, 1.0Vrms 6 Measured (1-9) with 2 & 4 shorted 10 9. DC Resistance; (14)=3.460 410% (25)=3.460 +10% (7-9)=3.230 10% 10. Turns Ratio; (14):(25)=1:1.0042% Date Code (7-9):(1 -5)=1:1.8042% . 2 & 4 shorted ; White dot 11. Dielectric Strength; 1875Vrms 1 second @ Pri to Sec { indicates B. Marking; TTC4035, TAMURA, date code and country of origin Pin 1 C. Safety; Complies with UL1950 3rd Edition and IEC950 D. Schematic; PRI SEC Line Side IC Side 1 e 4 79 1350 420 2 e 7 5 E. Mechanical Specifications; 116.50[0.650]MAX| 116.50[0.650 ]MAX| 15.50[0.610]MAX | | | | | 2.40[0.090]MIN | | #0,60[0.02 TYP || | L-- 10.00+0.50[0.394+0.02] J. Coleman PLACES 1] | | | 10 2.50[0.098]YP | - | PREPARED BY: _| D. Rund 8 ENGINEER: DWG CONTROL NO.| REV HDSL PA1123558 M.. Pitchai ACAD\TTC\A1123581.0We [PRE TRANSFORMER TTC4035 QUALITY CONTROL: CONTENTS OF THIS DRAWING ARE TAMURA CORPORATION OF AMERICA MODEL SPECIFICATION D. Kelley PRIOR NOTICE 43352 usin BARK DRIVE, ECA hoa 6624 | OM: mm(In) SCL: 2/1 | SH: 10 1 APPROVED: PROPRETARY NOTICE: THIS DRAWING PRINT OR DOCUMENT AND SUBJECT MATTER DISCLOSED HEREIN ARE PROPRIETARY ITEMS TO WHICH TAMURA IVE_RIGHT OF DISSEMINATION, REPRO! RAWING, PRINT OR DOCUMENT IS SUBMITTED IN CONFIDENCE FOR CONSIDERATION BY THE RECIPIENT NONE U UNLESS P PERMISSION TOR FURTHER DISCLOSURE IS EXPRESSLY GRANTED IN WRITING.