BT8921

HDSL Line Interface Transformers Thru-hole & Surface Mount Versions Electrical Specifications at 25OC P/N T-911 Turns Ratio Inductance DC Resistance Pri DC Resistance Sec Frequency Response Insertion Loss D.C. Current Longitudinal Balance Return Loss Harmonic Distortion Isolation Schematic Style 1:1 3 3.8 3.8 0.1 0.5 100 50 17 -70 1000 B T-940 2:1 5 3.5 2.2 0.07 0.43 100 53 17 -70 1500 A T-976 2:1 2 2.5 1.0 0.1 0.5 160 50 16.5 -70 1500 A T-982 2:1 3 2.5 1.0 0.7 0.4 160 53 20 -70 1500 A T-983 2:1 3.5 2.5 1.0 0.1 0.5 60 53 17 -70 1500 A Manufacturer Name Brooktree Brooktree Brooktree Brooktree Brooktree Brooktree Brooktree T-984 2:1 8 4.0 2.3 0.1 0.5 60 53 16 -70 1500 A mH Ω Ω dB dB mA Units I.C. Part # BT8921 BT8921 BT8960 BT8960 BT8960 BT8970 BT8970 Bit Rate 784 1168 160 288 416 784 1168 Transformer Part # T-982 T-976 T-984 T-940 T-983 T-982 T-976 Schematic "A" 1 4 2 7 5 9 PRI SEC Schematic "B" dB dB dB VRMS 1 10 2 9 4 7 5 6 PRI SEC Request Individual Data Sheets for test conditions & additional information Standard Thru-hole EP-13 Package .550 (13.97) MAX. .536 (13.61) MAX. Surface Mount Versions of all Parts listed are available. Add suffix "G" to specify surface mount package style. .522 (13.26) MAX. .532 (13.51) MAX. .525 (13.34) MAX. Example: T-976G .516 (13.1) MAX. .210 (5.33) TYP. .100 (2.54) TYP. 10 9 8 7 6 .400 (10.16) TYP. Pin Diameter is 0.025 (0.64) .100 .028 (2.54) (0.70) .025 (0.64) .516 (13.1) .675 (17.15) .663 (16.85) Bottom View 1 2 3 4 5 Physical Dimensions inches (mm) For Complete Details including PDF Catalogs & Data Sheets on this and other product families visit www.rhombus-ind.com Specifications subject to change without notice. For other values & Custom Designs, contact factory. HDSL-EP - 5/99 Rhombus Industries Inc. 21 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971