RF-SOI · 2019. 11. 27. · With RF-SOI technology, S8628 defined 3 Gain steps to ensure wide...

Smarter Micro

RF-SOI: Key Technology of Smart Connection

Yangyang PENG, Ph.D

Smarter MicroSmarterMicro Confidential Smarter Micro

Outline

1 Evolution of Wireless Terminals

2 RF-SOI: Enabler of Smarter Connection

3 Agi-IoTTM

: World 1st Reconfigurable NB-IoT RFFE


Evolution of Wireless Terminals

More Powerful, More Smart

AnalogSolution

Digital,Single Mode

Multi-ModeMulti-Band

SoftwareDefined

1G 2G 3G/4G 5G

Capability

WirelessSolution


Technologies Support Wireless Evolution

Analog

IC: Single Mode

Multi-Mode Multi-Band

Software-Defined RFFE

RF-AI

1980 1990 2000 2010 2020 2030

1G

2G

3G/4G

4G/5G

Semiconductor Technology

RF-SOI Technology in System Level

RF-SOI Technology in Component Level

5G+


Outline



3 Agi-IoTTM



Technologies of RF Switch

GaAs pHEMT RF-SOI CMOS

Insertion Loss ★★ ★★★ ☆

Isolation ★★★ ★★ ★

Frequency Range ★★★ ★★ ☆

Low Power Consumption ★★ ★★★ ★★★

Potential for Integration ☆ ★★★ ★★★

Low Cost ☆ ★★ ★★★

With RF-SOI technology, terminals can use High Performance and Low Cost RF switches.


RF-SOI Switch in RF Systems

Ant SWAP

Ant Tuner

From Single Band PA toMulti-Mode Multi-Band PA

From Single Band System toMulti-Mode Multi-Band System

Smart AntennaSolutions

Key Component of Multi-Mode Multi-Band SystemRF-SOI Components

Band Select Switch Ant Switch


RF-SOI Switch in RF Systems

Tra

nsceiv

er

Tra

nsceiv

er

RF-SOI Components

Enabler of Multi-Mode Multi-Band System

Typical 2G RF Solution

Typical 3G/4G RF Solution


RF-SOI Switch in RF SystemsEnabler of Multi-Mode Multi-Band System

RF Components based onRF-SOI Switch Technology

3G/4G/5G Multi-Mode Multi-band System

Band Switch Ant Tuner Ant SWAP


Evolution of Wireless Solution

Analog

IC: Single Mode



RF-AI

1980 1990 2000 2010 2020 2030

1G

2G

3G/4G

4G/5G



5G+RF-SOI Technology

in System Level



Analog

IC: Single Mode



RF-AI

1980 1990 2000 2010 2020 2030

1G

2G

3G/4G

4G/5G




5G+

Why RF-SOI in the next 20 Years?


Next 20 Years: Intelligent RFFE

Tra

nsce

ive

r

RF-SOI Components

Tra

nsce

ive

r

PA must upgrade from Multi Function PA to Intelligent PA.

PA: the most important active component.


Software Defined RFFE: AgiPAM®

RF-SOI

Design of a Smart Power Amplifier with RF-SOI

GaAs HBT RF-SOI

Output Power ★★★ ★★

Frequency Range ★★ ★★★

Integration ☆ ★★★

Low Cost ☆ ★★

How to design a Smart Power Amplifier with RF-SOI?

Wideband Solution

Reconfigurable Solution

GaAs HBT


Benefits of AgiPAM®

World’s 1st Reconfigurable RF Front-end Platform



Analog

IC: Single Mode



RF-AI

1980 1990 2000 2010 2020 2030

1G

2G

3G/4G

4G/5G



5G+

RF-SOI Technology in Component Level:

Reconfigurable Devices


Outline



3 Agi-IoTTM



mMTC and Requirements

Specification Requirements No.1 Choice No.2 Choice

Output Power

Medium.

PA Saturation Power Lower than

LTE/NR.

RF-SOI;GaAs;

SiGe;

CMOS

(Low efficiency for

Multi-tone;

Can’t Support PC3)

Low Leakage 10 Years UsageRF-SOI;

CMOS-

Wide Voltage

Range

Satisfy different types of

batteries (2.1~4.5V).RF-SOI;

CMOSSiGe

Low CostHard Requirement for

mass deployment.RF-SOI; CMOS;

GaAs;

SiGe

Software

Defined,

Upgradeable

Hardware has 10 years

life, but protocols still

evolving.

RF-SOI;CMOS;

SiGe

eMBB

mMTC uRLLC

5G

RF-SOI is the best technology for High Performance、 Upgradeable mMTC RFFE.


World’s 1st Reconfigurable IoT

RF Front-end Platform Based on RF-SOI


RF-SOI NB-IoT PA: S8628

Function:• Low-band B5/B8/B20/B28 and

Mid-band B1/B2/B3 NB-IoT PA

Key Features:

Based on Agi-IoTTM Platform

S8628 Competitors

Voltage Range 2.1 ~ 4.5V 3.0 ~ 4.5V

Leakage Current 0.001 uA 5~10 uA

Gain Levels 3 2

TechnologyRF-SOI

(Single Die)

GaAs/SiGe HBT

(Multi Die)Single Die; Software Defined;

High Performance.

Some Competitors: Multi-die; not NB-IoT friendly.


S8628: Ultra Low Leakage

S8628 Competitors

PA Leakage 0.001 uA 5~10 uA

SoC Average Current 5~10uA *

Total Leakage 5~10 uA 10~20 uA

Useful Life

(1000mAh Battery)

More than

10 Years~6 Years

With RF-SOI technology, S8628 can maintain PSM Leakage without additional DC-DC.

* Public Information

SoC

Battery

Vbat=0V

Vcc On

PA Ileakage

Load

Switch

PSM(Power Saving Mode)


S8628: Ultra Wide Voltage Range

2 3 4 5

AA x2V

LiNi1/3Co1/3Mn1/3O2

Li1+xMn2-xO4

LiFePO4

S8628 Supply Voltage Range

Competitor (GaAs HBT) Supply Voltage Range（Need Boost DC-DC if Battery Votage lower than 3V）

Typ

e o

f B

att

eri

es

With RF-SOI technology, S8628 can support many types of batteries without additional boost DC-DC.


S8628: NB-IoT optimization

VS.

S8628 Competitor

• -10/10/27 dB, 3 Gain Steps.• Software Defined Gain Mode.• Ensure Dynamic Range.

• 10+/27 dB, 2 Gain Steps.• Fixed Gain Mode.• Affect Dynamic Range on some platform.

Gain

(d

B) Provide 37dB

additional Dynamic Range

S8628 Gain Modes

Gain

(d

B)

Provide ~20dBadditional

Dynamic Range

Competitor Gain Modes

With RF-SOI technology, S8628 defined 3 Gain steps to ensure wide dynamic range.


Conclusion

1 Terminals Getting More Powerful and Smart

2 RF-SOI is the Enabler of Smarter Connection

3 Agi-IoTTM



RF-SOI:

The fundamental of

Software Defined RFFE and RF-AI.

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RF-SOI · 2019. 11. 27. · With RF-SOI technology, S8628 defined 3 Gain steps to ensure wide...

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