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High-Frequency SPDT Antenna Switch
Description
The CXG1022TM is an antenna switch MMIC.
This IC is designed using the Sony’s GaAs J-FET
process and operates at a single positive power
supply with an ultra-small package.
Features
• Single positive power supply operation
• Insertion loss 0.4 dB (Typ.) at 2.0 GHz
• Medium power switching
P1dB (Typ.) 29 dBm at 2.0 GHz
VCTL (H)=3.0 V
33 dBm at 2.0 GHZ
VCTL (H)=4.0 V
• Ultra-small TSSOP package
Applications
Antenna switch for digital cordless telephones
Absolute Maximum Ratings (Ta=25 °C)
• Control voltage Vctl 6 V
• Operating temperature Topr –35 to +85 °C
• Storage temperature Tstg –65 to +150 °C
Operating Condition
Control voltage 0/3 V
CXG1022TM
10 pin TSSOP (Plastic)
Structure
GaAs J-FET MMIC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E96547A71-TE
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CXG1022TM
Electrical Characteristics
VCTL (L) =0 V, VCTL (H) =3 V, PIN=21.5 dBm (Ta=25 °C)
Item Symbol Condition Min. Typ. Max. Unit
Insertion loss
Isolation
Insertion loss
Isolation
Input VSWR
Output VSWR
Switching time
Control pin current
IL1 f=1.0 GHz 0.3 0.6 dB
ISO1 28 31 dB
IL2 f=2.0 GHz 0.4 0.8 dB
ISO2 23 26 dB
VSWRIN 1.3 1.5
VSWROUT 1.3 1.5
TSW 50 ns
ICTL 50 100 µA
VCTL (L) =0 V, f =2.0 GHz, RRF=200 kΩ (Ta=25 °C)
1 dB gain compression
point output
1 dB gain compression
point output
P1dB (3)
P1dB (4)
VCTL (H) =3 V
VCTL (H) =4 V
26
30
Block Diagram Pin Configuration
110
CTLB
Port3
Port1
Port2
GND
Port1
GND
CTLA
10pin TSSOP (PLASTIC)
29
33
dBm
dBm
Port3
GND
GND
GND
Port2
VCTLA
High
Low
VCTLB
Low
High
Port1-Port2 ON
Port1-Port3 OFF
Port1-Port2 OFF
Port1-Port3 ON
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