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network transformer

  • CORELOGIC
  • CL1284Z4
  • Beijing China (Mainland)
  • transformer
  • Supplier - Beijing Corelogic Communication Co., Ltd.
  • China (Mainland)China (Mainland)
  • US$5 Million - US$10 Million
  • Other
  • North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
  • Mr.hongwei
  • 86-10-68665346-222
Post Date : September 01
Product Details
Company Profile

Item specifics

CORELOGIC
CL1284Z4
Beijing China (Mainland)

Specifications

This product should be used for 1.544/2.048 MHz interface of T1/E1/CEPT/ISDN-PRI.

Customers should test these samples, and assess the test result to determine whether these samples meet technical requirements.

 Schematic
1 2 3 4 5 6 7 8 9 10 1 1 12 13 1 4 15 1 6 17 18 1 9 20
40 39 3 8 37 36 3 5 34 3 3 32 31 3 0 29 2 8 27 26 2 5 24 2 3 22 21
Primary Pins4-59-1014-1519-2024-2529-3934-3539-40
Secondary Pins1-36-811-1216-1823-2128-2633-3138-39
No. Item Spec Instrument used
1 Turns Ratio 1:2CT &1:2CT TX&RX
3302 Automatic Transformer test system
Primary DCR 0.60Ω max TX&RX
2 DCR Secondary
DCR
1.20&0.6Ω max
TX%RX
8010 Digital Multimeter
3 OCL 100KHz/0.1V
1.20mH min
TX&RX
LCR Meter
4 LL 100KHz/0.1V 0.6μH max LCR Meter

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Filter Parameters 

 

Parameter

Requirements

DC Resistance Impedance

600Ω

DC series resistance

≤ 25Ω

DC insulation resistance between A-wire and B- wire

≥ 5MΩ

Off-hook pass band insertion loss

1.02KHz

≤0.5dB

Off-hook pass band insertion loss distortion

0.2-4KHz

a-a(1KHz)

≤ ±1.0dB

Group delay distortion

0.2-0.6KHz

≤ 250uS

0.6-3.2KHz

≤ 200uS

3.2-4KHz

≤ 250uS

Off-hook pass band return loss requirements

0.3-0.5KHz

≥ 14dB

0.5-2KHz

≥ 18dB

2-3.4KHz

≥ 14dB

Unbalance about Earth

0.05-0.6KHz

≥ 40dB

0.6-3.4KHz

≥ 46dB

3.4-30KHz

≥ 40dB

30-1104KHz

≥ 45dB

1.1-5MHz

≥ 30dB

Off-hook isolation requirements

30-300KHz

≥ 65dB

300-2208KHz

≥ 55dB

Insertion loss requirements

32-50KHz

≤ 3dB

50-2208KHz

≤ 1dB

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