PARAMETER Turns Ratio Line Impedance Inductance (Line Side) Longitudinal Balance 40 kHz to 200 kHz Primary DC Resistance Secondary DC Resistance Frequency Response 40kHz - 300kHz Insertion Loss @ 200kHz Isolation (HI-POT) Primary DC Return Loss @ 40kHz THD (40 KHz, 14 dBm) 2 : 1 +1% 135 3.0 +6%
UNITS
T-982
HDSL TRANSFORMER
Designed for HDSL applications
Ω mH
53 min. 2.5 Max. 1.0 Max. +0.2
dB Ω Ω dB Compatible with Brooktree BT8921 & BT8970 at 784 kbps Custom versions of this transformer are available. A Surface Mount version of this transformer is available
0.4 2000 160 20 min. -70 Min.
dB VRMS mA dB dB
Coils finished with UL rated varnish.
Designed to meet the supplementary insulation requirements of UL1950 for a working voltage of 250V SCHEMATIC
1 4 2
9
Physical Dimensions in inches (mm)
7 5
Line Side Pins 1-4 + 2-5 Device Side Pins 9-7
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
10
9
8
7
6
1
2
3
4
5
6/02/00
15801 Chemical Lane, Huntington Beach, CA 92649 P hone: (714) 898-0960 FAX: (714) 896-0971
www.rhombus-ind.com
Rhombus Industries Inc.
Transformers & Magnetic Products
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