Systems, Subsystems & Solutions

TEW-5913 Input Transformer

TEW5913 is designed and approved to be used as a Receive Transformer in T1 and CEPT applications, with the following devices:

  • Dallas:  DS2187
  • PMC -Sierra:  PM4341 T1X,  PM6431 E1
  • AT&T:  T7290
  • Level -One:  LXT304A, 305A
Features: 
  • Wide temperature range
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital Trunks
  • TDM Multiplexers

TEW-5912 Series Output Transformer

TEW5912 is is designed and approved to be used as a transmit transformer in T1/CEPT applications with the following devices:

Crystal

  • CS61535A
  • CS61574A
  • CS61575
  • CS6158A

Level-One

  • LTX304A
  • LTX305A
Features: 
  • Wide temperature range
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital trunks
  • TDM Multiplexers

TEP-5844 DC/DC Converter Transformer

TEP5844 is designed and approved to be used as a power supply transformer with the Siliconix SI 9105 device.

TEP5844 meets the CCITT I.430 requirements with reference to various modes of operation.

Features: 
  • Compact size
  • Efficient
  • Reinforced insulation in accordance with IEC950, EN60950

TEW-5791 Input/Output Transformer

TEW5791 is designed to be as an input/output transformer in HSDL applications as described in Bellcore TA-NWT-001210.

Applications:

  • HDSL service.
  • High speed data transmission over twisted wire.
Features: 
  • Up to 160 mA loop current
  • Excellent Longitudinal Balance
  • Low distortion

TEW-5769 Input/Output Transformer

TEW5769 is designed to be used as an INPUT/OUTPUT transformer in the ISDN primary rate access network for the following devices:

  • Dallas: DS2151Q,  DS2153Q

TEW5769 exceeds the requirements of:

  • ITU G.703, ETS 300 011, BS6328 and ANSI T1.408.
Features: 
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital Trunks.
  • TDM Multiplexers

TEW-5767 Series High Voltage Isolation Transformer

TEW5767 is specifically designed to be used as a high voltage isolation transformer in T1 and CEPT applications.

The Longitudinal balance exceeds the requirements of CCITT I.431.

The Return Loss exceeds the requirements of CCITT G.703.

Features: 
  • Longitudinal balance exceeds the requirements of CCITT I.431
  • Return Loss exceeds the requirements of CCITT G.703

CEP-5756 Common Mode Inductor

CEP5756 is a 4-winding common mode inductor.

It is specifically designed to suppress EMI on the 4-wire S-Bus in the ISDN system.

The windings are extremely well balanced in order to provide the required Longitudinal Balance laid down in CCITT I.430.

Features: 
  • 4-winding
  • Windings balanced  to provide required Longitudinal Balance

CEP-5753 Common Mode Inductor

CES5753 is a 4-winding common mode inductor.

It is specifically designed to suppress EMI on the Primary Rate line (2pairs) in the T1/CEPT interface.

The windings are extremely well balanced in order to improve the Longitudinal Balance.

Features: 
  • 4-winding
  • Low cost

TEW-5747 Input Transformer

TEW5747 is designed to be used as a receive transformer in the following applications on 75 W coaxial lines.

  • T3/DS3:  44.736 MBPS
  • E3:  34.368 MBPS
  • STS-1:  51.84 MBPS

Approved for use with:

  • SSI 78P2362

Return Loss exceeds the requirements of CCITT G.703.

Features: 
  • Low cost
  • Exceeds the requirements of CCITT G.703

TEW-5746 Output Transformer

TEW5746 is designed to be used as a transmit transformer in the following applications on 75 W coaxial lines.

  • T3/DS3:  44.736 MBPS
  • E3:  34.368 MBPS
  • STS-1:  51.84MBPS

Approved for use with:

  • SSI 78P2362
Features: 
  • Designed for use as a transmit transformer
  • Exceeds the requirements of CCITT G.703
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