REV. Status REVISION C REVISED AND REDRAWN ON CAD/CAM 12/19/91 HA REVISION D TEMECULA WAS CARSON ADDED SAFETY REFORMATTED 5/3/95 TS REVISION E NEW FORMAT 6/30/98 TS PREPARED BY: HIGH PERFORMANCE LOW PROFILE TELECOMMUNICATION COUPLING TRANSFORMER N) A. Electrical Specifications (@ 25 C) or st 1. Pri Source Impedance; 6000 ao 2. Sec Load Impedance; 6009 =| 3. Pri DC Unbalance Current; 9OmA (1-2) Z| | 4. Operating Level; 45dBm to +10dBm 4 5. Insertion Loss; Wl 1.7dB MAX @ 1.8KHz OdBm and DC9O0mA Oo] 6. Frequency Response (relative to 1.8KHz) = = +0.2dB, 1.0dB @ 500 to 3,500Hz OdBm and DC90mA J +0.2dB, 2.0dB @ 300 to 3,500Hz OdBm and DC90mA 7. Pri Impedance; 60002 20% @ 500 to 1,800Hz OdBm and DC90mA 8. Pri Return Loss; 14dB MIN @ 1.8KHz OdBm and DC90mA 9. Longitudinal Balance; 60dB MIN @ 200 to 4,000Hz 10. Total Harmonic Distortion; 0.5% MAX @ 300 to 3,500Hz OdBm and DC90mA 11. DC Resistance; 1-2) = 7502 +10% 3-4) = 1000 +10% SAFETY APPROVAL LOGOS 12. Turns Ratio; (1-2) : (4-3) = 1: 1.04 +2% 13. Dielectric Strength; 1500Vrms 60Hz 1 minute @ Pri to Sec, Pri to Core 1500Vrms 60Hz 1 minute @ Sec to Core B. Marking; TTC1435, TAMURA, date code, country of origin and safety approval logos C. Safety; CSA C22.2 No. 66M1988 File No. LR81383 UL 1863 File No. E142035 White Dot (PRIMARY) D. Schematic Diagram PRI SEC 2 3 e e 6000 : 6000 1 4 E. Mechanical Specifications 1.2(0.05) NOMINAL Bevel (PIN 1) Date code and country of origin 12.7(0.50) MAX 5.1+0.8(0.200.03) @ 0.8(.032) 20AWG (4 PLACES) 20.3(0.80) MAX 24.2+0.5(0.95+0.02) 10.2+0.3(0.40+0.01) BEVEL (Designates PIN 1) 30.5(1.20)MAX J. Peterson ENGINEER: Me ene gNO-| REV] TELECOMMUNICATIONS COUPLING T. Shiozawa ACAD\TTC\ At 100341.0we | E TRANSFORMER TITC-143 QUALITY CONTROL: CONTENTS OF THIS DRAWING ARE TAMURA CORPORATION OF AMERICA MODEL SPECIFICATION >. Keley [xo Hotee! SED BNE EN OE. TECUA, O42 624 Dor nnd] SOL: 171 [Se 1 OF 1 APPROVED: PROPRIETARY NOTICE: THIS DRAWING PRINT OR DOCUMENT AND SUBJECT MATTER DISCLOSED HEREIN ARE PROPRIETARY ITEMS TO WHICH TAMURA D. Kelley RETAINS CLUSIVE RIGHT OF DISSEMINATION, REPRODUCTION, MANUFACTURE AND SALE. THIS DRAWING, PRINT OR DOCUMENT IS SUBMITTED IN THE EX A CONFIDENCE FOR CONSIDERATION BY THE RECIPIENT ALONE UNLESS PERMISSION FOR FURTHER DISCLOSURE IS EXPRESSLY GRANTED IN WRITING.