The first MMIC FEM targeting 5G base stations and terminals using a 0.15µm GaN-on-SiC process.
In the last year, the increasing develop-ment of 5G has reshaped the Radio Frequency (RF) power industry landscape, driving the RF GaN market. Compared to existing silicon LDMOS and GaAs solutions, GaN devices are able to deliver the power/efficiency level required for next-generation high frequency telecom networks. The Low Noise Amplifier (LNA) market is expected to deliver a 16% Compound Annual Growth Rate (CAGR) with the implementation of diversity modules, along with integration in Power Amplifier (PA) modules for handsets.
Qorvo was the first player to unveil a Front-End Module (FEM) for ultra-high band coverage based on GaN-on-SiC 0.15µm technology.
System Plus Consulting unveils Qorvo’s design, presenting our reverse costing of the QPF4006 39GHz GaN Monolithic Microwave Integrated Circuit (MMIC) FEM. The device is targeted for 5G base stations and terminals and combines, on the same die, a high linearity LNA, a low insertion-loss Transmit Receive (TR) switch and a high gain PA.
The QPF4006 is assembled in an air-cavity laminate package with embedded copper heat slug which demonstrates Qorvo’s internal test and packaging capability.
The device is manufactured with 0.15µm gate technology and AlGaN/GaN epitaxial structure deposited on a SiC substrate. Other than MMIC components it includes TaN resistors, SiN capacitors and three levels of metal interconnects including gold airbridges.
This report includes a detailed analysis of the packaging and the GaN on SiC transistor with optical and Scanning Electron Microscope (SEM) pictures. Moreover it provides a cost analysis for the complete device.
> Executive Summary
> Reverse Costing Methodology
> Synthesis of the Physical Analysis
> Package Analysis
- Package opening
- Front-end module design
- Package cross-section
- Die view and dimensions
- Die process
- Die cross-section
- Die process characteristics
> Die Front-End Process
> Die Fabrication Unit
> Final Test and Packaging Fabrication Unit
> Summary of the Cost Analysis
> Yield Explanations and Hypotheses
> Gan on SiC die
- Front-end cost
- Die probe test, thinning and dicing
- Wafer cost
- Die cost
> Complete Power Stage
- Packaging cost
- Final test cost
- Component cost
> Estimated Sales Price
ABOUT SYSTEM PLUS CONSULTING
System Plus Consulting specializes in the cost analysis of electronics, from semiconductor devices to electronic systems.
Created more than 20 years ago, System Plus Consulting has developed a complete range of services, costing tools and reports to deliver in-depth production cost studies and estimate the objective selling price of a product.
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Through hundreds of analyses performed each year, System Plus Consulting offers deep added-value reports to help its customers understand their production processes and determine production costs. Based on System Plus Consulting’s results, manufacturers are able to compare their production costs to those of competitors.
System Plus Consulting is a sister company of Yole Développement.
More info at www.systemplus.fr
Manufacturing process flow
Supply chain evaluation
Manufacturing cost analysis
Selling price estimation