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| LTM-110A Line Interface 56kbps Modem Transformer Features * designed for V.90 applications (56kbps) * very low distortion * wide frequency range with flat response * meets IEC 60950 Supplementry Insulation levels, 1500V min. * excellent quality at competitive price due to high volume production * manufactured in ISO-9001:2000 approved Talema facility Electrical Specifications @ 25C * Operating Temperature -40 to +85C Parameter Frequency Response Insertion Loss Return Loss THD THD DC Resistance Inductance Leakage Inductance Turns Ratio Conditions 200 - 4000Hz 2000Hz, RL600 Ohms 200 - 4000Hz 150Hz, -3dBm 200Hz, -10dBm per winding 1000Hz, 1V 1000Hz, 1V Typical 0.5 1.0 22 -70 -85 70 6.0 17 1:1 Limit 1.5 max 18 min 10% 2% Units dB dB dB dB dB Ohms H mH - Mechanical Dimensions & Pinout 0.650 (16.50) 1 3 0.445 (11.30) TALEMA IN LTM-110A WK/YR 0.295 (7.50) Schematic 3 1 0.650 (16.50) 0.492 (12.50) 4 6 6 4 (View from Top) Dimensions are max. unless otherwise stated: Inches(Millimeters) Pinout spacings are nominal. Pins: 0.026 x 0.018 (0.66x0.45) 0.2170.012 (5.500.3) Equivalent Circuit: (Referenced to Primary @ 1V, 1kHz) RPRI = 70 Ohms LL = 17.5mH RSEC = 70 Ohms Line LP = 6.2H RP = 35k Ohms Modem Germany: Int.+49 89 - 841 00-0 * Ireland: Int.+35 374 - 954 8666 * Czech Rep: Int.+420 37 - 744 9303 * India: Int.+91 427 - 244 1325 http://www.talema-nuvotem.com LTM-110A Line Interface 56kbps Modem Transformer PERFORMANCE DATA Return Loss Typical 25 -60 -65 20 -70 15 -75 Total Harmonic Distortion Typical dB dB 10 5 0 100 1000 10000 -80 -85 -90 -95 -100 100 1000 Frequency Hz Frequency Hz Insertion Loss Typical 4 3.5 3 2.5 dB 2 1.5 1 0.5 0 100 1000 10000 Frequency Hz Sales & Marketing, Design and Manufacturing Facilities http://www.talema-nuvotem.com Eastern Europe & Czech Republic NT MAGNETICS s.r.o. Chebska 27 322 00 Plzen Tel: Int. + 420 37 - 744 9303 Fax: Int. + 420 37 - 744 3697 Email: talema@talema.cz Germany TALEMA ELEKTRONIK GMBH Sembdnerstr. 5, Postfach 2523 82110 Germering Tel: Int. + 49 89 - 841 00 - 0 Fax: Int. + 49 89 - 841 00 25 Email: info@talema.de Ireland NUVOTEM TEO. Crolly Co. Donegal Tel: Int. + 353 74 - 954 8666 Fax: Int. + 353 74 - 954 8139 Email: info@nuvotem.com India TALEMA ELECTRONIC PVT. LTD. Opposite the SIDCO Industrial Estate Gins Towers 4/5S.H/1, Omalur Main Road Salem - 636 004, Tamil Nadu Tel: Int. + 91 427 - 244 1325 Fax: Int. + 91 427 - 243 0034 E-mail: talema@talemaindia.com THE TALEMA GROUP * Magnetic Components for ISDN / xDSL / LAN Data Communications (12-03) Communications \ Broadband\LTM-110A |
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