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 @ 25°C • Operating Temperature -40° to +85°C Parameter Conditions Frequency Response 200 - 4000Hz Insertion Loss 2000Hz, RL600 Ohms Typical Limit Units ±0.5 - dB 1.0 1.5 max dB Return Loss 200 - 4000Hz 22 18 min dB THD 150Hz, -3dBm -70 - dB THD 200Hz, -10dBm -85 - dB DC Resistance per winding 70 ±10% Ohms Inductance 1000Hz, 1V 6.0 - H Leakage Inductance 1000Hz, 1V 17 - mH 1:1 ±2% - Turns Ratio Mechanical Dimensions & Pinout 0.650 (16.50) 3 TALEMA IN LTM-110A WK/YR 1 0.650 (16.50) 6 0.295 (7.50) 0.445 (11.30) 4 Schematic 3 1 4 6 0.492 (12.50) 0.217±0.012 (5.50±0.3) (View from Top) Dimensions are max. unless otherwise stated: Inches(Millimeters) Pinout spacings are nominal. Pins: 0.026 x 0.018 (0.66x0.45) Equivalent Circuit: (Referenced to Primary @ 1V, 1kHz) RPRI = 70 Ohms Line LP = 6.2H LL = 17.5mH RP = 35k Ohms RSEC = 70 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 Total Harmonic Distortion Typical 25 -60 -65 20 -70 -75 dB dB 15 10 -80 -85 -90 5 -95 0 100 -100 1000 10000 100 Frequency Hz 1000 Frequency Hz Insertion Loss Typical 4 3.5 3 dB 2.5 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. Chebská 27 322 00 Plzeñ Tel: Int. + 420 37 - 744 9303 Fax: Int. + 420 37 - 744 3697 Email: [email protected] Germany Ireland India TALEMA ELEKTRONIK GMBH Sembdnerstr. 5, Postfach 2523 82110 Germering Tel: Int. + 49 89 - 841 00 - 0 Fax: Int. + 49 89 - 841 00 25 Email: [email protected] NUVOTEM TEO. Crolly Co. Donegal Tel: Int. + 353 74 - 954 8666 Fax: Int. + 353 74 - 954 8139 Email: [email protected] 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: [email protected] THE TALEMA GROUP • Magnetic Components for ISDN / xDSL / LAN Data Communications (12-03) Communications \ Broadband\LTM-110A