Components and Subsystems

6647 Modem Transformer

The 6647 is designed for V.90 applications and for PCMCIA type II cards to reflect 600 ohms on PRI with 287 ohms on SEC.

Features: 
  • Designed to IEC950 supplementary insulation
  • Low distortion, specifically designed for V.90 applications
  • Available in tape and reel

6646 Transformer

The 6646 is designed for use with Brooktree’s BT8921 / BT8970 IC’s at 1168 kpbs rates.

Features: 
  • Designed for International approvals
  • Low distortion
  • Excellent balance
  • Small size

6645 Transformer

The 6645 is approved for use with Globespan ADSL / RADSL Line Driver IC (EL-1501) at the customer premises.

Features: 
  • Meets supplimentary insulation requirements of IEC950 for a working voltage of 250 volts

6644 Transformer

The 6644 is designed for use with analog devices AD20MSP910 / AD20MSP918 chipsets. Exceeds supplementary insulation requirements of IEC950 for 250 VAC working voltage.

Features: 
  • Excellent Harmonic Distortion characteristics optimized for size and performance
  • 232 °C peak infrared reflow temperature rating
  • Available in tape and reel

6643 10/100 Base-TX Quad Port

The 6643 is designed to support four (4) single or double stacked RJ-45 connectors and incorporates a unique patented interlock base design.

  • Unit is compliant with IEEE 802.3 μ and ANSI X3.263 standards including 350 μH OCL with 8 mA bias from 0 °C to 70 °C.
  • IC grade transfer –molded package withstands 235 °C peak reflow temperature profile.
Features: 
  • Supports 4 single or double stacked RJ-45 connectors
  • Meets IEEE 802.3 μ and ANSI X3.263 standards

6641 Home Phoneline Module

The 6641 is designed and approved to work with Broadcom’s BCM 4210 over an extended temperature range.

Features: 
  • Includes Common Mode Choke for EMI reduction
  • Robust construction allows for IR/VR Processes
  • 1500 Vrms Isolation
  • -40 °C to +85 °C temperature range

TEW-6575 Input/Output Transformer

TEW6575 is designed to be used as an input/output transformer in HDSL applications for use with Brooktree BT8973.

Applications:

  • H D SL services
  • H i gh speed data transmission over twisted wire
Features: 
  • Up to 160mA loop current
  • Low distortion
  • Excellent Longitudinal Balance

TEW-6197 Input/Output Transformer

The 4 wire interface between Subscriber Terminals and the Network Termination has been standardized by CCITT recommendation I.430. It uses a passive bus which provides separate receiver and transmit loops operating at 192 Kbits/s.

Two versions of TEW6197 have been designed and approved for use with the following devices:

TEW6197

  • Siemens:  PEB2080,  PEB2081,  PEB2085,  PEB2086
  • AMD:  Am79C30A

TEW6197- 4

  • Mitel:  MT8930A,  MT8930B,  MT8931B
Features: 
  • Separate receiver and transmit loops
  • Low cost

TEW-6181 U-BUS Input/Output Transformer

TEW6181 is designed to interface with the subscribers premises (NT) and the 2- wire line side of the Central Office Equipment (LT) in the ISDN Network.

TEW681 meet the electrical requirements for the MOTOROLA MC145572 device.

Features: 
  • Small size
  • Up to 5 mA line current

TTW-6176 Matching Transformer

The TTW6176 Quad transformer unit was designed to provide insulation of four twisted pairs in a Local Area Network.

It is based on the Ethernet data link protocol which uses baseband signaling at 10Mbps.

Features: 
  • Ethernet data link protocol
  • Low cost
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