? coilcraft, inc. 2007 specifications subject to change without notice. please check our website for latest information. hdsl transformers document 201-1 document 201-1 revised 02/11/08 these hdsl transformers have been designed to work with a variety of specific transceiver chips to provide 2b1q coded data transmission. they?re engineered for low leakage inductance and return loss as well as high line isolation. longitudinal balance and thd are optimized for the best overall performance at a given transmission speed. coilcraft can also custom engineer a transformer to meet your specific requirements. for free evaluation samples, contact coilcraft or visit www.coilcraft.com . data turns primary leakage part rate ratio inductance inductance dcr max (ohms) number chip set (kb/s) chip:line 6% (mh) max (h) chip side line side hd6788 brooktree bt8952 784 2ct:1:1 3.0 20 4.4 (2-4) 2.2 (6-7, 8-9) HD6789 brooktree bt8952 1168 2ct:1:1 2.0 20 4.4 (2-4) 2.2 (6-7, 8-9) hd6790 brooktree bt8921 784 1ct:1:1 3.0 20 2.2 (2-4) 2.2 (6-7, 8-9) hd6791 brooktree bt8921 1168 1ct:1:1 2.0 20 2.2 (2-4) 2.2 (6-7, 8-9) hd6792 level one sk70704 784 1ct:1.8 ct 2.75 45 3.2 (2-4) 3.0 (6-8, 8-10) hd6793 level one sk70704 1168 1ct:1.8 cts 2.06 40 2.0 (2-4) 2.0 (6-7, 9-10) dc bias dielectric part capacity strength return loss min longitudinal balance typ thd typ number (ma) min (v) (db) (db) (db) hd6788 160 1500 18 @ 40 - 200 khz 69 @ 30 khz 63 @ 196 khz -74 @ 100 khz HD6789 160 1500 16.5 @ 40 - 320 khz 77 @ 30 khz 63 @ 292 khz -74 @ 100 khz hd6790 80 1500 18 @ 40 - 200 khz 68 @ 30 khz 56 @ 196 khz -74 @ 100 khz hd6791 80 1500 16.5 @ 40 - 320 khz 75 @ 30 khz 62 @ 292 khz -74 @ 100 khz hd6792 80 1500 18 @ 40 - 200 khz 60 @ 30 khz 48 @ 196 khz -75 @ 5 khz hd6793 80 1500 16.5 @ 40 - 320 khz 60 @ 30 khz 48 @ 292 khz -74 @ 5 khz specifications 1. all electrical specifications referenced to line side. 2. operating temperature range -40c to +85c. 3. electrical specifications at 25c. this product is not rohs-compliant. contact coilcraft for current status or possible alternatives.
? coilcraft, inc. 2007 specifications subject to change without notice. please check our website for latest information. document 201-2 document 201-2 revised 02/11/08 hd6788, HD6789, hd6790, hd6791 hdsl transformers hd6792 hd6793 a max b max c max d min e f typ g typ h typ 0.950 1.05 0.46 0.12 0.800 0.150 0. 017 0.038 0.025 0.045 inches 24,13 26,7 11,7 3,0 20,32 3,81 0,43 0,97 0,64 x 1,14 cm e recommended board layout h f packaged 49 per tray
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