Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 1
Specifications subject to change without notice. 2/01A
PHEMT GaAs IC High Power
SP4T Switch 0.1–2.5 GHz
Features
■ 4 Symmetric RF Paths
■ Positive Voltage Control
■ High IP3
■ Excellent Harmonic Performance
■ Handles GSM Power Levels
■ Available in MLF-16 (4 x 4 mm) Package
MLF-16 (4 x 4 mm)
AS192-300
12˚
MAX.
0.148
(3.75 mm)
BSC
PIN 1
INDICATOR
16
1
2
3
0.157
(4.00 mm)
BSC
0.157 (4.00 mm) BSC
0.148
(3.75 mm)
BSC
SEATING
PLANE
0.001
(0.025 mm)
± 0.001
(0.025 mm)
0.039 (1.00 mm) MAX.
0.067 (1.70 mm)
± 0.006 (0.15 mm)
16
0.026 (0.65 mm) BSC
0.078 (1.95 mm) REF.
1
2
0.078
(1.95 mm) REF.
3
0.067 (1.70 mm)
± 0.006 (0.15 mm)
Description
The AS192-300 is a reflective SP4T switch.It is an ideal
switch for higher power applications. It can be used for
GSM dual band handset applications where both low loss,
low current and small size are critical parameters.
Parameter Frequency Min. Typ. Max. Unit
Insertion Loss Ant-J1, J2, J3, J
4
0.1–0.5 GHz 0.90 1.1 dB
0.5–1.0 GHz 0.95 1.1 dB
1.0–2.0 GHz 1.00 1.2 dB
2.0–2.5 GHz 1.10 1.3 dB
Isolation Ant-J1, J2, J3, J
4
0.1–0.5 GHz 30 34 dB
0.5–1.0 GHz 25 29 dB
1.0–2.0 GHz 19 23 dB
2.0–2.5 GHz 18 21 dB
VSWR 0.1–1.0 GHz 1.3:1
1.0–2.5 GHz 1.4:1
Electrical Specifications at 25°C (0, +4.5 V)
Parameter Condition Frequency Min. Typ. Max. Unit
Switching Characteristics Rise, Fall (10/90% or 90/10% RF) 50 ns
On, Off (50% CTL to 90/10% RF) 100 ns
Video Feedthru 50 mV
IP3 13 dBm/Tone +55 dBm
2nd and 3rd Harmonics 34 dBm Input 900 MHz +65 dBc
Control Voltages V
Low
= 0
V
High
= +4.5 V @ 200 µA Max.for RF power > 30 dBm
V
High
= +3.0 V @ 200 µA Max.for RF power 20–30 dBm
V
High
= +2.7 V @ 200 µA Max.for RF power < 20 dBm
Operating Characteristics at 25°C (0, +4.5 V)
PHEMT GaAs IC High Power SP4T Switch 0.1–2.5 GHz AS192-300
2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 2/01A
V
1
GND
V4GND
ANT
V
2V3
GND
GND
J
1
GND
J
2
J
4
GND
GND
J
3
C
BL
C
BL
C
BL
C
BL
C
BL
Pin Out
Typical Performance Data
DC blocking capacitors (CBL) must be supplied externally.
C
BL
= 47 pF for operating frequency >500 MHz.
Characteristic Value
RF Input Power 4 W > 0.5 GHz
0/+6 V Control
Control Voltage +6 V
Operating Temperature -40°C to +85°C
Storage Temperature -65°C to +150°C
Θ
JC
25°C/W
Absolute Maximum Ratings
0 0.5 1.0 1.5 2.0 2.5
Loss (dB)
Frequency (GHz)
Typical Insertion Loss vs. Frequency
-2.0
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0
0 0.5 1.0 1.5 2.0 2.5
VSWR
Frequency (GHz)
Typical VSWR
0
0.5
1.0
1.5
2.0
2.5
0 0.5 1.0 1.5 2.0 2.5
Isolation (dB)
Frequency (GHz)
Typical Isolation vs. Frequency
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
V1V2V3V4Ant-J1Ant-J2Ant-J3Ant-J
4
V
HighVLowVLowVLow
Ins. Loss Isolation Isolation Isolation
V
LowVHighVLowVLow
Isolation Ins. Loss Isolation Isolation
V
LowVLowVHighVLow
Isolation Isolation Ins. Loss Isolation
V
LowVLowVLowVHigh
Isolation Isolation Isolation Ins. Loss
Truth Table
V
Low
= 0.
V
High
= 4.5 to 5.0 V for RF power > 30 dBm.
V
High
= 3.0 to 5.0 V for RF power 20–30 dBm.
V
High
= 2.7 to 5.0 V for RF power < 20 dBm.