this transformer designed for use with brooktree 8958 1. temp class 105c 2. inductance: @ 10 khz, 0.1 v 1-2-3-4 = 5 mhy 5% 3. leakage inductance: @ 100 khz 1-2-3-4 w/ 5-8 shorted = 50 hy max 4. turns ratio: 1-2 : 3-4 : 5-8 = 1 : 1 : 1 2% 5. interwinding capacitance: @ 100 khz 5-8 to 1,2,3,4 = 75 pf max ground pin 6 6. dc resistance: 1-2, 3-4 = 1.6 ohm 10% 5-8 = 2.1 ohm 10% 7. return loss: 1-2-3-4, ref 135 ohm, 5-8 loaded 30 ohm: 20 khz - 80 khz = -17 db max 20 db/decade beyond 8. longitudinal balance: 1-2-3-4 @ 135 ohm 200 khz = 55 db min 9. frequency response: 1-2-3-4 ref = 135 ohm load 30 ohms, 20-80 khz = 0.2 db max 10. harmonic distortion: 135 ohm, 20 khz, 60 madc, 5 v p-p = 70 db min note: not necessary to test in production. 11. dielectric strength: 3550 vdc transformer, hdsl 2 : 1, 0.5 mh .005 .01 angle 3 place 2 place 28887 b 1 end page rev part number title specifications agency approval: n/a tolerances unless otherwise noted wayzata, mn 55391 corporation schott 1000 parkers lake road 8 5 2 1 3 4 7 6 ground only one end of shield .780 max (19.81) .780 max (19.81) .640 max (16.26) .197 .010 (5.0) sq. .024 (0.61) .591 .010 (15.0) .150 min (3.81) schott 28887 yyww 1 4 5 8 inches (mm) line chip
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