REV. Status| HDSL transformer designed for use with Brooktree HDSL IC chip set BT8952 tt PRELIMINARY | Ot 784Kbp rates el wy 01/12/00 NS A. Electrical Specifications (@ 25C) 2O PRELIMINARY 1 . ' . . CHANGED DESC, 1. Primary (Line side) Impedance; 1350 >| + A3 AS, 2. Secondary (IC side) Impedance; 1350 ld AND DWG TO 5. Longitudinal Balance; 53dB MIN @ 40KHz to 300KHz, OdBm iu oO SURFACE MOUNT (Per ITU method pin 7 grounded) o - 02/03/00 MP 4. Primary Open Circuit Inductance; 3mH +4% @ 1KHz, 0.5Vrms = PRELIMINARY 2 Measured (15) with 2 and 4 shorted 6 Cee 5. Leakage Inductance; 20uH MAX @ 100KHz, 0.1Vrms P13 SMT Measured (15) with 4 & 2, and 9 & 7 shorted 09/19/00 JC 6. Total Harmonic Distortion; -7O0dB MAX @ 100KHz, 5Vpp 7. DC Resistance; (1-4)=0.950 +10% (24)=0.950 +10% > (7-9)=1.880 +10% Date Code 8. Turns Ratio; (14):(25)=1:1.0042% (1-5):(7-9)=1:1.0042% with 2 & 4 shorted White dot 9. Dielectric Strength; 1875Vrms 1 second @ Pri to Sec 1 wnite do indicates B. Marking; TTC4034, 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 17.75[0.699]MAX Z To 9 [ oselo.ossine e | 0.86[0.054]TYP=s 7 1350 B 1350 7 7 2 |_| |_| > 7 2.50[0.098]TYP . 5 E. Mechanical Specifications =| - 14.00[0.550]MAX L- 14,00[0.550]MAX 12.70[0.500 ]MAX o.40[0.016 YP D | RL . | o.70r0.0287vP 7 17.80[0.699 ]MAX r an hse 4 rT g~=CO2. 500.098] TYP oo 14.00[0.550 ]MAX 3 oo] [Fa 8 4c] [= 7 PREPARED BY: 5 wx En 6 D. Rund ENGINEER: Oe oe REV HDSL M._Pitchai ncanyrTe\aii22001.0ve_[PR2 TRANSFORMER TTC4034 QUALITY CONTROL: CONTENTS OF THIS prawine ARE TAMURA CORPORATION OF MODEL SPECIFICATION D. Kelley PRIOR NOTICE 45552 aan Sa DANE. LEA 6624 | Om: mm(In} SCL: 2/1 | SH: 10F 1 APPROVED: PROPRIETARY NOTICE: THIS DRAWING PRINT OR DOCUMENT AND SUBJECT MATTER DISCLOSED HEREIN ARE PROPRIETARY ITEMS TO WHICH TAMURA RETAINS THE EXCLUSIVE RIGHT OF DISSEMINATION, REPRODUCTION, MANUFACTURE AND SALE. THIS DRAWING, PRINT OR DOCUMENT IS SUBMITTED IN J. Coleman CONFIDENCE FOR CONSIDERATION BY THE RECIPIENT ALONE UNLESS PERMISSION FOR FURTHER DISCLOSURE IS EXPRESSLY GRANTED IN WRITING.