مدار مجتمع (آی سی) آی‌سی منطقی (دیجیتال) بافر، درایور و ترنسیور منطقی

Product Attributes

Introduction

The LB5377 is a fully integrated transceiver compliant with AISG. Its receiver provides a 20dB typical dynamic range and integrates a bandpass filter operating in the 2.176MHz frequency with a narrow 200kHz bandwidth. Its transmitter integrates a bandpass filter compliant with the AISG spectrum emission profile. The transmitter can modulate OOK signals up to 115.2kbps. With external resistors, the output power can vary from +7dBm to +12dBm to compensate for loss in the external circuitry and cabling. A direction output is also available to help with the RS - 485 bus arbitration in tower - mounted equipment. Regarding the package, the LB5377 adopts a small, 3mm×3mm 16 - pin QFN.

Features

• Wide input dynamic for receiver, ranging from –15dBm to +5dBm in 50Ω
• Transmitter output level variable from +7dBm to +12dBm
• Output emission profile compliant with AISG
• Output with AutoDirection
• Handle bus arbitration in tower - mounted equipment without microcontrollers
• All AISG data rates supported: 9.6kbps 38.4kbps 115.2kbps
• AISG - compliant bandpass filter centered around 2.176MHz
• Voltage supply from 3.0V to 5.5V
• Independent logic supply
• 3mm × 3mm QFN - 16 package

Applications

• Base Stations Tower Equipment