6 6-149 model ht81 series new product model ht81 series hdsl, hdsl2 coupling transformers ? 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? to +85? ? can be customized to meet unique speci?ations applications ? designed for 784 kb/s and 1168 kb/s applications ? designs available for multiple data rates ? hdsl coupling transformer features and benefits speci?ations subject to change without notice.
6-150 model ht81 series open circuit return insertion line inductance loss loss longitudinal part rate turns ratio line side (5) @ mid band @ 40khz balance (8) thd (6) number kb/s line-chip mh min. db min. db max. db min. db max. fig. sch. HT81-00552 (4) 2320 1:1:1 1.0 16.5 1.0 55 -70 2 or 3 2 80-580khz 40-320khz ht81-00553 (4) 1552 2.3:1 1.6 16.5 1.0 55 -70 3 5 20-560khz 20-320khz ht81-00628 (9) 272 1:1:1 ct 8.0 15 1.0 65 -70 1 3 9-40khz 40-320khz ht81-00629 (9) 416 1:1:1 ct 5.0 16.5 1.0 65 -70 1 3 20-80khz 40-320khz ht81-00630 (9) 528 1:1:1 ct 3.5 16.5 1.0 65 -70 1 3 33-110khz 40-320khz ht81-00631 (4) 1808 2.3:1 1.3 16.5 1.0 55 -65 2 or 3 2 80-580khz 40-320khz ht81-00632 (4) 2064 2.3:1 1.1 16.5 1.0 55 -65 2 or 3 2 80-580khz 40-320khz ht81-00633 (4) 2320 2.3:1 1.0 15.5 1.0 55 -70 2 or 3 2 80-580khz 40-320khz ht81-99628 (1) 784 1.8 ct:1 ct 2.8 20 1.0 50 -75 1 1 40-200khz 5-196khz ht81-99647 (2) 784 1:1:1 ct 3.0 20 1.0 55 -70 1 2 40-200khz 40-320khz ht81-99648 (3) 1168 1:1:2 ct 2.0 16.5 1.0 55 -75 1 3 40-320khz 40-320khz ht81-99649 (3) 784 1:1:2 ct 3.0 20 1.0 50 -75 1 3 40-200khz 5-196khz ht81-99650 (4) 1168 1:1:1 ct 2.0 16.5 1.0 55 -70 1 2 40-320khz 40-320khz ht81-99651 (1) 1168 1.8 ct:1 ct 2.06 16.5 1.0 50 -70 1 4 40-320khz 40-320khz ht81-99709 (2) 1168 1:1:1 ct 2.0 12 1.0 55 -70 1 3 40-320khz 40-320khz ht81-99710 (4) 1552 2.3:1 ct 2.0 16.5 1.0 65 -70 1 3 40-320khz 40-320khz ht81-99711 (4) 1168 3:1 ct 2.0 12 1.0 65 -70 1 2 40-320khz 40-320khz ht81-99721 (2) 784 1:1:1 3.0 16.5 1.0 55 -70 2 or 3 2 40-320khz 40-320khz ht81-99722 (4) 1168 1:1:1 2.0 16.5 1.0 55 -70 2 or 3 2 40-320khz 40-320khz ht81-99723 (4) 1168 2.3:1 2.0 16.5 1.0 55 -70 2 or 3 2 40-320khz 40-320khz ht81-99724 (1) 784 1.8:1 ct 3.0 16.5 1.0 50 -70 2 or 3 2 40-320khz 40-320khz electrical @ 25?
6 6-151 model ht81 series schematics 3 4 chip line 8 6 210 8 7 chip line 4 5 2 91 3 4 chip line 8 6 7 29 schematic 1 schematic 2 schematic 3 3 4 chip line 9 6 7 210 schematic 4 7 8 6 chip line 4 5 2 91 schematic 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 speci ed with 135 ? . (9) supports conexant (rockwell) bt8960 with dcr 3.0/3.0 ? , idc @ 70ma.
6-152 model ht81 series .500 12.7 max. .950 24.13 max. .18 4.57 nom. 1.050 26.67 max. .15 3.81 typ. .800 20.32 nom. .780 19.81 max. 1 2 3 4 10 9 8 7 6 bobbin lead: .042(1.07mm) x .015 (.381mm) typ. 5 ht81-99628 .010 0.25 unless otherwise specified tolerances are: outline dimensions (inch/mm) .010 0.25 unless otherwise specified tolerances are: .020 0.51 (10 x) .394 10.00 .535 13.59 .526 13.36 .185 4.70 max. max. max. .394 10.00 .098 2.50 .547 13.89 max. ht81-99722 figure 1 ?through-hole figure 2 ?through-hole
6 6-153 model ht81 series ht81 99628 s model series: hdsl transformers surface mount option factory code (package/schematic) ordering information packaging standard: plastic trays capacity figure 1 = 45 units figures 2 & 3 = 60 units .010 0.25 unless otherwise specified tolerances are: .485 12.32 .605 15.37 .100 2.54 .028 .002 0.71 0.05 .394 10.00 .098 2.50 .051 .002 1.30 0.05 (10x) max. .516 13.11 max. max. max. max. .005/0.13 10 surfaces .475 12.07 .530 13.46 ht81-00553 .695 17.65 (10x) outline dimensions (inch/mm) figure 3 surface mount
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