ALPHA AS166-300 Datasheet
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 1
Specifications subject to change without notice. 1/01A
PHEMT GaAs IC High Power
SP4T Switch 0.1–2.5 GHz
Features
■ 2 TXPaths and 2 RXPaths
■ 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)
AS166-300
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 AS166-300 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 TX-Ant 0.1–0.5 GHz 0.55 0.75 dB
0.5–1.0 GHz 0.55 0.75 dB
1.0–2.0 GHz 0.80 1.00 dB
2.0–2.5 GHz 1.00 1.20 dB
RX-Ant 0.1–0.5 GHz 0.75 0.95 dB
0.5–1.0 GHz 0.80 1.00 dB
1.0–2.0 GHz 1.20 1.40 dB
2.0–2.5 GHz 1.40 1.60 dB
Isolation TX-Ant 0.1–0.5 GHz 20 22 dB
0.5–1.0 GHz 17 20 dB
1.0–2.0 GHz 14 16 dB
2.0–2.5 GHz 13 14.5 dB
R
X
-Ant 0.1–0.5 GHz 24 26 dB
0.5–1.0 GHz 23 25 dB
1.0–2.0 GHz 21 23 dB
2.0–2.5 GHz 21 23 dB
VSWR 0.1–1.0 GHz 1.4:1
1.0–2.0 GHz 1.5:1
2.0–2.5 GHz 1.55:1
Electrical Specifications at 25°C (0, +3 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 Harmonic 34 dBm Input 900 MHz 65 70 dBc
3rd Harmonic 34 dBm Input 900 MHz 55 65 dBc
Control Voltages V
Low
= 0
V
High
= 2.7 to 5 V @ 100 µA Max.
Operating Characteristics at 25°C (0, +3 V)
PHEMT GaAs IC High Power SP4T Switch 0.1–2.5 GHz AS166-300
2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 1/01A
V
1
GND
V4GND
ANT
V
2V3
GND
GND
T
X1
GND
T
X2
R
X1
GND
GND
R
X2
C
BL
C
BL
C
BL
C
BL
C
BL
Pin Out
Typical Performance Data
0 0.5 1.0 1.5 2.0 2.5
Loss (dB)
Frequency (GHz)
Insertion Loss vs. Frequency
-2.0
-1.8
-1.6
-1.4
-1.2
-0.8
-1.0
-0.6
-0.4
-0.2
0
TX -20˚C
T
X
+80˚C
T
X
+25˚C
R
X
+80˚C
R
X
+25˚C
R
X
-20˚C
VSWR
Frequency (GHz)
VSWR vs. Frequency
0 0.5 1.0 1.5 2.0 2.5
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
RX VSWR
T
X
VSWR
Isolation (dB)
Frequency (GHz)
Isolation vs. Frequency
0 0.5 1.0 1.5 2.0 2.5
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
TX Isolation -20, +25, +80˚C
R
X
Isolation -20, +25, +80˚C
V1V2V3V4Ant-TX1Ant-TX2Ant-RX2Ant-R
X1
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.
V
High
= 2.7 to 5 V.
DC blocking capacitors (C
BL
) must be supplied externally.
C
BL
= 47 pF for operating frequencies >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
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