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| MODEL HT81 SERIES HDSL, HDSL2 Coupling Transformers NEW PRODUCT FEATURES AND BENEFITS * * * * * * * Supports industry standard HDSL transceivers Excellent total harmonic distortion characteristics Meets standard dielectric withstanding voltage requirements Conforms to ANSI, ITU and ETSI standards Supports Level One and Conexant (Rockwell) chips Operating temperature range of -40C to +85C Can be customized to meet unique specifications APPLICATIONS * Designed for 784 Kb/s and 1168 Kb/s applications * Designs available for multiple data rates * HDSL coupling transformer Specifications subject to change without notice. 6 6-149 Model HT81 Series ELECTRICAL @ 25C Part Number HT81-00552 (4) HT81-00553 (4) HT81-00628 (9) HT81-00629 (9) HT81-00630 (9) HT81-00631 (4) HT81-00632 (4) HT81-00633 (4) HT81-99628 (1) HT81-99647 (2) HT81-99648 (3) HT81-99649 (3) HT81-99650 (4) HT81-99651 (1) HT81-99709 (2) HT81-99710 (4) HT81-99711 (4) HT81-99721 (2) HT81-99722 (4) HT81-99723 (4) HT81-99724 (1) Line Rate Kb/s 2320 1552 272 416 528 1808 2064 2320 784 784 1168 784 1168 1168 1168 1552 1168 784 1168 1168 784 Turns Ratio Line-Chip 1:1:1 2.3:1 1:1:1 ct 1:1:1 ct 1:1:1 ct 2.3:1 2.3:1 2.3:1 1.8 ct:1 ct 1:1:1 ct 1:1:2 ct 1:1:2 ct 1:1:1 ct 1.8 ct:1 ct 1:1:1 ct 2.3:1 ct 3:1 ct 1:1:1 1:1:1 2.3:1 1.8:1 ct Open Circuit Return Inductance Loss Line Side (5) @ Mid Band mH Min. dB Min. 1.0 1.6 8.0 5.0 3.5 1.3 1.1 1.0 2.8 3.0 2.0 3.0 2.0 2.06 2.0 2.0 2.0 3.0 2.0 2.0 3.0 16.5 80-580kHz 16.5 20-560kHz 15 9-40kHz 16.5 20-80kHz 16.5 33-110kHz 16.5 80-580kHz 16.5 80-580kHz 15.5 80-580kHz 20 40-200kHz 20 40-200kHz 16.5 40-320kHz 20 40-200kHz 16.5 40-320kHz 16.5 40-320kHz 12 40-320kHz 16.5 40-320kHz 12 40-320kHz 16.5 40-320kHz 16.5 40-320kHz 16.5 40-320kHz 16.5 40-320kHz Insertion Loss @ 40kHz dB Max. 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Longitudinal Balance (8) dB Min. 55 40-320kHz 55 20-320kHz 65 40-320kHz 65 40-320kHz 65 40-320kHz 55 40-320kHz 55 40-320kHz 55 40-320kHz 50 5-196kHz 55 40-320kHz 55 40-320kHz 50 5-196kHz 55 40-320kHz 50 40-320kHz 55 40-320kHz 65 40-320kHz 65 40-320kHz 55 40-320kHz 55 40-320kHz 55 40-320kHz 50 40-320kHz THD (6) dB Max. -70 -70 -70 -70 -70 -65 -65 -70 -75 -70 -75 -75 -70 -70 -70 -70 -70 -70 -70 -70 -70 Fig. 2 or 3 3 1 1 1 2 or 3 2 or 3 2 or 3 1 1 1 1 1 1 1 1 1 2 or 3 2 or 3 2 or 3 2 or 3 Sch. 2 5 3 3 3 2 2 2 1 2 3 3 2 4 3 3 2 2 2 2 2 6-150 Model HT81 Series SCHEMATICS Schematic 1 2 10 9 Schematic 2 1 2 Schematic 3 9 Chip 3 8 Line Chip 8 4 2 Line Chip 3 8 7 Line 4 6 7 5 4 6 Schematic 4 2 10 9 Schematic 5 1 Chip 3 9 7 Line Chip 7 8 4 2 Line 4 6 6 5 Notes: (1) Supports Level One SK70704 with DCR 3.2/2.0 IDC @ 75mA. Assume pins 7-8 shorted externally. (2) Supports Conexant (Rockwell) BT8921, BT8970 with DCR 2.2/2.2 , IDC @ 70mA. (3) Supports Conexant (Rockwell) BT8952 with DCR 2.2/4.4 , IDC @ 160mA. (4) Supports Level One SK70740, SK70741 and SK70742 HDSL chipset with DCR 2.2/2.2 , IDC @ 70mA. (5) OCL tested @ 100mV @ 10kHz with appropriate IDC. (6) THD tested @ 5kHz, 6Vp-p with 135 load. (7) Supports Level One SK70720 and SK70721 with DCR 3.0/6.0 , IDC @ 75mA. (8) Longitudinal balance: freqency range specified with 135 . (9) Supports Conexant (Rockwell) BT8960 with DCR 3.0/3.0 , IDC @ 70mA. 6 6-151 Model HT81 Series OUTLINE DIMENSIONS (Inch/mm) Figure 1 - Through-Hole .950 24.13 Max. .500 12.7 Max. .15 3.81 Typ. 1 2 3 4 5 1.050 26.67 Max. 10 9 .780 8 19.81 7 Max. 6 HT81-99628 Bobbin Lead: .042(1.07mm) x .015 (.381mm) Typ. .800 20.32 Nom. .18 4.57 Nom. Unless otherwise specified tolerances are: .010 0.25 Figure 2 - Through-Hole HT81-99722 .526 Max. 13.36 .020 0.51 (10 X) .394 10.00 .535 Max. 13.59 .185 Max. 4.70 .098 2.50 .394 10.00 .547 Max. 13.89 Unless otherwise specified tolerances are: .010 0.25 6-152 Model HT81 Series OUTLINE DIMENSIONS (Inch/mm) Figure 3 - Surface Mount .695 Max. 17.65 .028.002 (10X) 0.710.05 .605 15.37 .100 2.54 .098 2.50 .394 10.00 .530 Max. 13.46 HT81-00553 .516 Max. 13.11 .051.002 1.300.05 (10X) .485 Max. 12.32 .475 Max. 12.07 .010 Unless otherwise specified tolerances are: 0.25 .005/0.13 10 Surfaces PACKAGING Standard: Plastic Trays Capacity Figure 1 Figures 2 & 3 = = 45 Units 60 Units 6 ORDERING INFORMATION HT81 Model Series: HDSL Transformers 99628 S Surface Mount Option Factory Code (Package/Schematic) 6-153 Model HT81 Series |
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