MODEL HT81 SERIES NEW PRODUCT HDSL, HDSL2 Coupling Transformers 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 -40°C to +85°C 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 @ 25°C Open Circuit Return Inductance Loss Line Side (5) @ Mid Band mH Min. dB Min. Part Number Line Rate Kb/s Turns Ratio Line-Chip HT81-00552 (4) 2320 1:1:1 1.0 HT81-00553 (4) 1552 2.3:1 1.6 HT81-00628 (9) 272 1:1:1 ct 8.0 HT81-00629 (9) 416 1:1:1 ct 5.0 HT81-00630 (9) 528 1:1:1 ct 3.5 HT81-00631 (4) 1808 2.3:1 1.3 HT81-00632 (4) 2064 2.3:1 1.1 HT81-00633 (4) 2320 2.3:1 1.0 HT81-99628 (1) 784 1.8 ct:1 ct 2.8 HT81-99647 (2) 784 1:1:1 ct 3.0 HT81-99648 (3) 1168 1:1:2 ct 2.0 HT81-99649 (3) 784 1:1:2 ct 3.0 HT81-99650 (4) 1168 1:1:1 ct 2.0 HT81-99651 (1) 1168 1.8 ct:1 ct 2.06 HT81-99709 (2) 1168 1:1:1 ct 2.0 HT81-99710 (4) 1552 2.3:1 ct 2.0 HT81-99711 (4) 1168 3:1 ct 2.0 HT81-99721 (2) 784 1:1:1 3.0 HT81-99722 (4) 1168 1:1:1 2.0 HT81-99723 (4) 1168 2.3:1 2.0 HT81-99724 (1) 784 1.8:1 ct 3.0 Insertion Loss @ 40kHz dB Max. ≥16.5 80-580kHz ≥16.5 20-560kHz 1.0 ≥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 1.0 ≥16.5 40-320kHz ≥12 40-320kHz ≥16.5 40-320kHz ≥16.5 40-320kHz ≥16.5 40-320kHz ≥16.5 40-320kHz 6-150 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. THD (6) dB Max. Fig. Sch. 55 40-320kHz 55 20-320kHz -70 2 or 3 2 -70 3 5 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 -70 1 3 -70 1 3 -70 1 3 -65 2 or 3 2 -65 2 or 3 2 -70 2 or 3 2 -75 1 1 -70 1 2 -75 1 3 -75 1 3 -70 1 2 -70 1 4 -70 1 3 -70 1 3 -70 1 2 -70 2 or 3 2 -70 2 or 3 2 -70 2 or 3 2 -70 2 or 3 2 65 40-320kHz 65 40-320kHz 55 40-320kHz 55 40-320kHz 55 40-320kHz 50 40-320kHz Model HT81 Series SCHEMATICS Schematic 1 Chip Schematic 3 Schematic 2 2 10 3 8 9 Line Chip 2 1 4 8 2 Line Chip 9 8 3 7 Line 6 4 7 5 Chip 3 4 6 Schematic 5 Schematic 4 2 4 10 9 7 Line Chip 6 9 1 7 8 4 6 5 2 Line Notes: (1) Supports Level One SK70704 with DCR ≤3.2/2.0 Ω IDC @ 75mA. Assume pins 7-8 shorted externally. (2) Supports Conexant (Rockwell) BT8921, BT8970 with DCR ≤2.2/2.2 Ω, IDC @ 70mA. (3) Supports Conexant (Rockwell) BT8952 with DCR ≤2.2/4.4 Ω, IDC @ 160mA. (4) Supports Level One SK70740, SK70741 and SK70742 HDSL chipset with DCR ≤2.2/2.2 Ω, IDC @ 70mA. (5) OCL tested @ 100mV @ 10kHz with appropriate IDC. 6 (6) THD tested @ 5kHz, 6Vp-p with 135Ω load. (7) Supports Level One SK70720 and SK70721 with DCR ≤3.0/6.0 Ω, IDC @ 75mA. (8) Longitudinal balance: freqency range specified with 135 Ω. (9) Supports Conexant (Rockwell) BT8960 with DCR ≤3.0/3.0 Ω, IDC @ 70mA. 6-151 Model HT81 Series OUTLINE DIMENSIONS (Inch/mm) Figure 1 – Through-Hole .950 24.13 Max. Bobbin Lead: .042(1.07mm) x .015 (.381mm) Typ. .800 20.32 Nom. 1.050 26.67 Max. .500 12.7 Max. .18 4.57 Nom. .15 3.81 Typ. 1 2 3 4 5 HT81-99628 Unless otherwise specified tolerances are: ± 10 9 .780 8 19.81 7 Max. 6 .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: ± 6-152 .010 0.25 Model HT81 Series OUTLINE DIMENSIONS (Inch/mm) Figure 3 – Surface Mount .695 Max. 17.65 .605 15.37 .028±.002 (10X) 0.71±0.05 .530 Max. 13.46 .100 2.54 .098 2.50 .394 10.00 HT81-00553 .051±.002 1.30±0.05 (10X) .516 Max. 13.11 .485 Max. 12.32 .475 Max. 12.07 .005/0.13 10 Surfaces .010 Unless otherwise specified tolerances are: ± 0.25 PACKAGING Standard: Plastic Trays Capacity 6 Figure 1 Figures 2 & 3 = = 45 Units 60 Units ORDERING INFORMATION HT81 99628 S Model Series: HDSL Transformers Surface Mount Option Factory Code (Package/Schematic) 6-153 Model HT81 Series