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PBL3766 from ERICSSON

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PBL3766

Manufacturer: ERICSSON, ERICSSCN

Subscriber Line Interface Circuit

Partnumber Manufacturer Quantity Availability
PBL3766 ERICSSON, ERICSSCN 334 In Stock

Description and Introduction

Subscriber Line Interface Circuit The **PBL3766** is a versatile electronic component commonly used in telecommunications and signal processing applications. Designed as a **subscriber line interface circuit (SLIC)**, it plays a critical role in interfacing analog telephone lines with digital systems. This integrated circuit (IC) provides essential functions such as battery feed, overvoltage protection, and hybrid balancing, ensuring reliable communication in traditional and modern telephony setups.  

Key features of the PBL3766 include **low power consumption**, **high-voltage tolerance**, and **built-in diagnostics**, making it suitable for both central office and customer-premises equipment. Its ability to handle ringing signals and detect off-hook conditions enhances its utility in various telecommunication devices. Additionally, the component supports **2-wire to 4-wire conversion**, improving signal clarity and reducing crosstalk in voice transmission.  

Engineers favor the PBL3766 for its **robust performance** and **ease of integration** into existing designs. Its compact form factor and compliance with industry standards further contribute to its widespread adoption. Whether used in PBX systems, VoIP gateways, or analog terminal adapters, the PBL3766 remains a reliable choice for maintaining high-quality voice communication.  

For detailed specifications, users should refer to the official datasheet to ensure compatibility with their specific application requirements.

Application Scenarios & Design Considerations

Subscriber Line Interface Circuit

Alternative Part Number

  • PEB 4266 --: SLIC/subscriber line interface IC from the same telecom line-card family lineage (Siemens/Infineon PEB series), functionally comparable for line interface applications.
  • LE58QL021 --: Telecom SLIC/line interface device used in similar subscriber line circuits, suitable as a functional cross-reference for the PBL3766.
  • HC55185 --: SLIC device for subscriber line interface functions; a viable alternative when the original Ericsson part is unavailable, subject to pinout and specification verification.
  • PEB 4266 --: Same SLIC/subscriber line interface family from the original Ericsson silicon lineage, functionally compatible in many telecom line-card designs.
  • LE58QL021 --: Comparable subscriber line interface circuit offering similar voice-band SLIC functionality and a common cross-reference for legacy Ericsson SLICs.
  • HC55185 --: Alternative SLIC device with similar line-drive and hybrid functions, usable as a replacement in telecom interface applications with minor circuit review.

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