PRELIMINARY B973.P (9/01)
Mechanical
Matched to Virata's Aluminum
G.SHDSL chipset
Maximum height .485" (12,32 mm)
Designed to meet UL 1950 supplementary insulation
requirements for working voltages up to 250 Vrms
Schematic
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Weight
. . . . . . . . . . . . . .6.2 grams
Tray
. . . . . . . . . . . . . . . . . .60/tray
For More Information :
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
Printed on recycled paper. 2001, Pulse Engineering, Inc.
B1078
G.SHDSL LINE TRANSFORMER
For Use with Virata Chipsets
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ±.010
0,25
Turns Ratio
Line - Chip
(±2%)
1CT:2CS
Inductance - Line Side
@10 kHz,100 mV
(9-6) with (8-7) shorted
4.0 mH
±10%
Leakage Inductance
@ 100 kHz, 0.1 Vrms
(2-4) with (9,8,7,6) shorted
8 μH MAX
DC Resistance
Line Side
(9-8) = (7-6)
£
3.8
W
Part
Number
Mounting
Chip Side
(2-4)
£
3.6
W
B1078
SMT
Part
Number
B1078
NOTE:
Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix
“T”
to the part number (i.e. B1078
T
).
Longitudinal Balance
(300 kHz)
£
-55 dB
THD
Return Loss
(40 kHz - 300 kHz)
3
16.5 dB
Isolation Voltage
(Vrms)
1500
(@ 50 kHz, 4 Vpp)
£
-55 dB
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Additional Electrical Specifications
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