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Subscriber Linecard

Vishay Components Used

  • Power ICs and Controller ICs
  • Power MOSFETs
  • Analog Switches
  • Diodes and Rectifiers
  • Transient / Overvoltage Protection Devices
  • ESD Protection Devices
  • EMI Filters
  • Optocouplers and Solid-State Relays
  • Visible LEDs
  • Capacitors
  • Resistors
  • Inductors
EMI-Filter Reverse Polarity Protection SMPS Buck Converter Transient Protection ESD-Protection Filter Pull-Up / Down Resistor Position Sensor DC Link Current Sensor EMI-Filter Low Side Current Sensor Motor Switch Reverse Polarity Protection Transient Protection Position Sensor Temperature Sensor
EMI Filter Reverse Polarity Protection Security Switch Transient Protection SMPS Buck Converter EMI Filter Reverse Polarity Protection Security Switch Transient Protection Buffer Capacitor High Side Current Sensor High Side Switch Low Side Current Sensor Low Side Switch Storage Inductor
SMPS Converter EMI Filter Reverse Polarity Protection Transient Protection Filter ESD-Protection Pull-Up / Down Resistor Level Shift Motor Switch DC Link Current Sensor Low Side Current Sensor EMI Filter Reverse Polarity Protection Transient Protection BLDC-Motor WiFi GPS Receiver Proximity Sensor
SMPS Converter EMI Filter Reverse Polarity Protection Transient Protection ESD-Protection Filter Pull-Up / Down Resistor Buck Boost Converter EMI Filter Reverse Polarity Protection Transient Protection RGBW Sensor Blue Light Sensor Position Sensor Current Sensor
SMPS Buck Converter Reverse Polarity Protection Transient Protection Optical Smoke Detection Temperature Sensing Amplification ESD Protection Audio Amplifier Flashlight Wireless Ethernet

Today"s network subscriber linecards handle many different functions by means of subgroups on the main board or individual modules. One of the most important functions of the main board is to provide distributed power to the subgroups or modules and switch them on and off in order to provide overvoltage / overcurrent protection and filtering, as well as to switch signals correctly. In many cases, the central power supply is part of the main board. Several dc-to-dc converters generate the individual voltages, either directly in or close to the application module as a point of load solution. This is the case for DSLAM, routers, xDSL, Ethernet, optical access, and PoE. Individual protection of data lines is essential to the safe operation of linecards.

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