15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
Rhombus
Transformers & Magnetic Products
Industries Inc.
123
4
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PARAMETER UNITS
Turns Ratio 2 : 1 +
1%
Line Impedance 135 Ω
Inductance (Line Side) 2.0 +
6% mH
Longitudinal Balance
40 kHz to 200 kHz 50 min. dB
Primary DC Resistance 2.5 Max. Ω
Secondary DC Resista nce 1.0 Max. Ω
Frequency Response +
0.2 dB
40kHz - 300kHz
Insertion Loss @ 200kHz 0.4 dB
Isolation (HI-POT) 1500 V
RMS
Primary DC 160 mA
Return Loss @ 40kHz 16.5 min. dB
THD -70 Min. dB
(40 KHz, 14 dBm)
T-976
HDSL
TRANSFORMER
Designed for HDSL applications
Compatible with Brooktree BT8921
& BT8970 at 1168 kbps
Custom versions of this
transformer are available.
A Surface Mount version of this
transformer is available
SCHEMATIC DIAGRAM:
Physical Dimensions in inches (mm)
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
Line Side Pins 1-4 + 2-5
Device Side Pins 9-7
www.rhombus-ind.com
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