NORDTEK DANMARK - HPT Series-HDSL Transformer - nordtek.dk

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HPT Series-HDSL Transformer


Features

  • complies with ANSI and ETSI requirements
  • matched to all leading chip sets
  • very lowTHD permits maximum loop lengths
  • 1,500V minimum isolation
  • excellent quality at competitive price due to high volume production
  • manufactured in ISO-9001 approved facility
  HPT Series - HDSL Transformer


Transformer Selection Guide

 

Typical Performance Data

Manufacturer IC Type Application Transformer
Rockwell
(Brooktree)
BT8921/BT8970
BT8921/BT8970
784Kbps
1.168Kbps
HPT-100A
HPT-110A
BT8952
BT8952
784Kbps
1.168Kbps
HPT-120A
HPT-130A
BT8960
BT8960
BT8960
416Kbps
288Kbps
160Kbps
HPT-140A
HPT-150A
HPT-160A
Level One SK70704/SK70706
SK70704/SK70721
784Kbps
1.168Kbps
HPT-170B
HPT-180C
 
THD -70dB max.
100kHz, 5Vpp
Longitudinal
Balance
50dB min
40-300kHz
Return Loss 16.5dB min
40-300kHz
Matched to 135 Ohm Line Impedance


Electrical Specifications @ 25°C
Operating Temperature: -40°C to +85°C
Part Number Turns Ratio
±2%
IC : Line
OCL
(mH)
LL
(µH) Max.
DCR
(Ohms)
IC / Line
IDC
(mA)
Isolation
Voltage
(Vrms Min.)
Schematic
 HPT-100A
 HPT-110A
1ct:1:1
1ct:1:1
3,0±6%
2,0±6%
20
20
2,3 / 2,3
2,3 / 2,3
70
70
1.500
1.500
A
A
 HPT-120A
 HPT-130A
2ct:1 :1
2ct:1 :1
3,0±6%
2,0±6%
20
20
4,6 / 2,3
4,6 / 2,3
160
160
1.500
1.500
A
A
 HPT-140A
 HPT-150A
 HPT-160A
1ct:1:1
1ct:1:1
1ct:1:1
3,5±10%
5,0±10%
8,0±10%
40
40
40
2,3 / 2,3
2,6 / 2,6
2,6 / 2,6
70
70
70
1.500
1.500
1.500
A
A
A
 HPT-170B
 HPT-180C
1ct:1,8ct
1ct:0,9:0,9
2,75±6%
2,03±6%
20
20
3,2 / 3,0
2,0 / 2,0
75
75
2.000
2.500
B
C


Dimensions & Schematic - Pins


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