REV. Status REVISION 12/10/01 MP PREPARED BY: TELECOMMUNICATION MODEM COUPLING TRANSFORMER COMPATIBLE WITH V.90 TECHNOLOGIES | OO A. Electrical Specifications (@ 25C) ro 1. Pri Source Impedance; 6000 TAL o 2. Sec Load Impedance; 3740 3/ 3. Insertion Loss; UL# E208555 || | 2.5dB MAX, 1KHz, OdBm 4 4. Frequency Response (relative to 1 KHz) Shr +0.20dB 200Hz to 4KHz @ OdBm 5. Longitudinal Balance; Black dot | 60dB MIN @ 200Hz to 1KHz indicates 40dB MIN @ 1KHz to 4KHz pin 1 6. Return Loss; 25dB MIN @ 1KHz, OdBm (29.0dB TYP) 7. DC Resistance; (1-2)= 1080 415% (3-4)= 1200 +15% Country of 8. Turns Ratio; (12):(4-3) = 1:1.00+2% origin 9. Dielectric Strength; 1 Date 1875Vrms 1 second Pri to Sec ode 10. Total Harmonic Distortion: 86dB MAX @ 600Hz, 10dBm (90dB TYP) B. Marking; TTC5008, TAMURA, date code and country of origin C. Safety: UL 1950 3rd Edition, UL60950, EN60950 D. Schematic Diagram PRI SEC 2 3 6000 3740 e e 1 4 E. Mechanical Specifications It 13.80+1.0[0.543+0.04] | [3.2040.3[0.1 2640.01] 0.64[0.025]TYP Square 4 a 13.80+0.5[0.540+0.02] 2 3 22.50[0.885]MAX 11.40+0.5[0.450+0.02] 1 4 86o 23.10[0.909]MAX D. Rund ENGINEER: DWG CONTROL NO.| REV MODEM COUPLING PA112310 _ M. Pitchai ACAD\TTC\A1123101.DWG | TRANSFORMER TITC5008 QUALITY CONTROL: D. Kelley CONTENTS OF THIS DRAWING ARE| TAMURA CORPORATION OF AMERICA MODEL SPECIFICATION SUBJECT TO CHANGE WITHOUT - PRIOR NOTICE 43352 ASIN 8 LARK DRE, Laer ete 6624 Dm: mm(In} SCL: 1/1 | SH: 10F 1 APPROVED: J. Coleman PROPRIETARY NOTICE: THIS DRAWING PRINT OR DOCUMENT AND SUBJECT MATTER DISCLOSED HEREIN ARE PROPRIETARY TEMS TO WHICH TAMURA RETAINS THE EXCLUSIVE RIGHT OF DISSEMINATION, REPRODUCTION, MANUFACTURE AND SALE. THIS DRAWING, PRINT OR DOCUMENT IS SUBMITTED IN CONFIDENCE FOR CONSIDERATION BY THE RECIPIENT ALONE UNLESS PERMISSION FOR FURTHER DISCLOSURE IS EXPRESSLY GRANTED IN WRITING.