Smarter Micro
RF-SOI: Key Technology of Smart Connection
Yangyang PENG, Ph.D
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Outline
1 Evolution of Wireless Terminals
2 RF-SOI: Enabler of Smarter Connection
3 Agi-IoTTM
: World 1st Reconfigurable NB-IoT RFFE
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Evolution of Wireless Terminals
More Powerful, More Smart
AnalogSolution
Digital,Single Mode
Multi-ModeMulti-Band
SoftwareDefined
1G 2G 3G/4G 5G
Capability
WirelessSolution
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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+
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
Smarter MicroSmarterMicro Confidential Smarter Micro
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.
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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
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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
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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
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Evolution of Wireless Solution
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 Component Level
5G+RF-SOI Technology
in System Level
Smarter MicroSmarterMicro Confidential Smarter Micro
Evolution of Wireless Solution
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+
Why RF-SOI in the next 20 Years?
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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.
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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
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Benefits of AgiPAM®
World’s 1st Reconfigurable RF Front-end Platform
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Evolution of Wireless Solution
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
5G+
RF-SOI Technology in Component Level:
Reconfigurable Devices
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Outline
1 Evolution of Wireless Terminals
2 RF-SOI: Enabler of Smarter Connection
3 Agi-IoTTM
: World 1st Reconfigurable NB-IoT RFFE
Smarter MicroSmarterMicro Confidential Smarter Micro
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.
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World’s 1st Reconfigurable IoT
RF Front-end Platform Based on RF-SOI
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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.
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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)
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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.
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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.
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Conclusion
1 Terminals Getting More Powerful and Smart
2 RF-SOI is the Enabler of Smarter Connection
3 Agi-IoTTM
: World 1st Reconfigurable NB-IoT RFFE
Smarter MicroSmarterMicro Confidential Smarter Micro
RF-SOI:
The fundamental of
Software Defined RFFE and RF-AI.
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