Application Solutions

5G Smartphone RF Front End Solution

Complete 5G NR sub-6GHz RF front-end solution for flagship smartphones, supporting n77/n78/n79 bands with 4x4 MIMO architecture and carrier aggregation.

High Integration Industry-Leading Efficiency Carrier Aggregation Ready
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IoT RF Connectivity Solution

Low-power RF solution for IoT devices including smart home, wearables, and asset tracking applications with optimized battery life and compact form factor.

Ultra-Low Power Compact Size Cost Optimized
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Frequently Asked Questions

What RF solutions does Vanchip offer?

Vanchip provides comprehensive RF front-end solutions including: (1) 5G Smartphone Solutions - complete transmit/receive chains with PAs, switches, and filters for sub-6GHz 5G

(2) IoT Connectivity Solutions - low-power RF designs for smart home, wearables, and asset tracking

(3) Wireless Infrastructure Solutions - small cell and CPE designs with high-power PAs and advanced filtering

(4) Automotive V2X Solutions - reliable RF systems for vehicle-to-everything communications. Each solution includes complete BOM, reference designs, and application engineering support from LiTong.

Select a solution based on your target application and review the detailed system architecture and BOM.

How do I implement a 5G RF front-end using Vanchip components?

Implementing a 5G RF front-end with Vanchip involves: (1) Band selection - choose PAs for n77/n78/n79 bands based on your target markets

(2) Antenna architecture - design MIMO antenna system with appropriate spacing

(3) Switch configuration - use SP4T or SP8T switches for antenna tuning and band selection

(4) Filtering - add band-pass filters for interference rejection

(5) Integration - combine components in FEM for space savings or discrete for flexibility. Vanchip provides reference designs with optimized matching networks and layout guidelines for each band combination.

Start with Vanchip's 5G reference design and customize for your specific band and performance requirements.

What support does LiTong provide for Vanchip solution implementation?

LiTong provides comprehensive support for Vanchip solution implementation: (1) Design review - schematic and PCB layout review by experienced RF FAEs

(2) Matching optimization - assistance with PA load pull and matching network tuning

(3) Performance validation - support for lab testing and performance optimization

(4) Regulatory guidance - assistance with FCC, CE, and SRRC certification

(5) Production support - yield optimization and manufacturing test development. Our FAE team has extensive experience with Vanchip products and can help resolve integration challenges quickly.

Contact our FAE team early in your design cycle for architecture guidance and throughout development for optimization support.