Product Overview

The SKY13414-485LF is a Single-Pole Four-Throw (SP4T) antenna switch with an internal 50Ω termination, covering an ultra-wide frequency range of 0.1 to 3.8 GHz. Designed for 2G/3G/4G antenna diversity systems and LTE (TDD/FDD) transmit/receive systems (excluding GSM transmit), it features low insertion loss, high isolation, and integrated logic control. Ideal for main/diversity switching in smartphones, data cards, and tablets, it enables efficient multi-band signal routing for reliable wireless communication.

Key Features

• Ultra-Wide Frequency Range: Supports 0.1-3.8 GHz, compatible with various wireless communication standards.
• Superior RF Performance: Typical insertion loss of 0.45 dB at 2.7 GHz and isolation >31 dB at 2.7 GHz ensure high-quality signal transmission.
• Built-in 50Ω Termination: Automatically matches antenna impedance when unused, eliminating the need for external components and simplifying design.
• Integrated Logic Control: Precise switching via 3 CMOS/TTL-compatible control pins (V1/V2/V3), supporting low-power shutdown mode (5 μA typical current).
• Compact Package: 14-pin QFN package with a tiny size of 2.0 x 2.0 mm, saving PCB space for compact devices.
• Green Compliance: Halogen-free and compliant with global environmental regulations.

Technical Specifications

Typical Applications

• Smartphones & Tablets: Enables LTE multi-band switching and antenna diversity, enhancing signal stability and battery life.
• Data Cards & Mobile Hotspots: Efficiently routes signals in complex frequency environments for reliable high-speed data transmission.
• Wireless Communication Devices: Suitable for high-power transmit scenarios like TD-SCDMA/TDD-LTE, supporting symmetric port design and high-linearity signal processing.
• Antenna Diversity Systems: Internal 50Ω termination matches unused antennas automatically, simplifying system design and reducing external component costs.

Why Choose SKY13414-485LF?

• Broadband Compatibility: Covers 0.1-3.8 GHz, adapting to full-spectrum wireless needs from low to high frequencies.
• Leading Performance: Low insertion loss minimizes signal attenuation, while high isolation reduces crosstalk for superior communication quality.
• Integrated Design: Built-in termination and logic control eliminate the need for external capacitors or complex circuits, saving space and cost.
• Tiny Footprint: 2.0 x 2.0 mm compact package meets the layout requirements of portable devices.
• Reliability & Sustainability: MSL1 moisture sensitivity rating and halogen-free design comply with industrial standards and green manufacturing trends.

SUNTOP COMPANY INTRODUCTION

Founded in 2000, Suntop is one of the leading global distributors of electronic
components, dedica ted to providing comprehensive procurement and supply chain services to the global electronics manufacturing industry. Our services include distribution, spot trading, PPV cost-saving projects, and inventory management. We not only offer high-quality products but also strive to assist our clients in achieving optimal solutions with minimal time and cost.
As a trusted partner for numerous OEMs, ODMs, CEMs, and EMS companies worldwide, our professional team manages millions of component records from thousands of trading partners across dozens of countries daily through our company database. We maintain close business relationships with major factories and distributors in North America, Europe, and Asia to ensure that our clients stay ahead in a highly competitive market.