Skyworks Solutions, Inc. [781] 376-3000
Fax [781] 376-3100 Email sales@skyworksinc.com www.skyworksinc.com
1
Specifications subject to change without notice. 2/03A
PHEMT GaAs IC SPDT Switch DC3 GHz
Features
P
1 dB
+30 dBm Typical @ +3 V
IP3 43 dBm Typical @ +3 V
Low Insertion Loss (0.3 dB @ 0.9 GHz)
Low DC Power Consumption
100% RF Tested in Die Form
PHEMT Process
Applications
General Purpose Medium Power Switches
in Telecommunication Applications
T/R Switches in 802.11b, g WLAN Blue
Tooth Systems
AS179-000
Description
The AS179-000 is an IC FET SPDT switch. The
AS179-000 features low insertion loss and positive
voltage operation with very low DC power consumption.
This general purpose switch can be used in a variety of
telecommunications applications.
Parameter
1
Frequency
2
Min.
Typ.
Max.
Unit
Insertion Loss
3
DC1.0 GHz
0.30
0.4
dB
1.02.0 GHz
0.30
0.4
dB
2.03.0 GHz
0.35
0.5
dB
Isolation
DC1.0 GHz
22
25
dB
1.02.0 GHz
20
22
dB
2.03.0 GHz
20
22
dB
VSWR
4
DC3.0 GHz
1.1:1
1.3:1
Electrical Specifications at 25C (0, +3 V)
0.0327 (0.83 mm)
0.0295 (0.75 mm)
0.0281 (0.71 mm)
0.0134 (0.34 mm)
0.0030 (0.08 mm)
0.0000 (0.00 mm)
0.0000 (0.00 mm)
0.0032 (0.08 mm)
0.0123 (0.31 mm)
0.0157 (0.40 mm)
0.0169 (0.43 mm)
0.0199 (0.50 mm)
Outline Drawing
Bond pad dimensions: 0.003 (0.075 mm) x 0.003 (0.075 mm).
Bond pad metalization: gold.
Backside metalization: none.
Chip thickness 0.008 0.001 (0.203 0.025).
1. All measurements made in a 50
system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/C.
4. Insertion loss state.
Preliminary
PHEMT GaAs IC SPDT Switch DC3 GHz
AS179-000
2
Skyworks Solutions, Inc. [781] 376-3000
Fax [781] 376-3100 Email sales@skyworksinc.com www.skyworksinc.com
Specifications subject to change without notice. 2/03A
Typical Performance Data (0, +3 V)
Insertion Loss vs. Frequency
Frequency (GHz)
Insertion Loss (dB)
0
0.5
1.0
1.5
2.0
2.5
3.5
3.0
4.0
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
J
1
J
2
J
1
J
3
VSWR vs. Frequency
Frequency (GHz)
VSWR
0
0.5
1.0
1.5
2.0
2.5
3.0
2.5
3.0
1.0
1.1
1.2
1.3
ILJ
2
ILJ
2
ILJ
3
ILJ
3
Isolation vs. Frequency
Frequency (GHz)
Isolation (dB)
0
0.5
1.0
1.5
2.0
3.0
4.0
2.5
3.5
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
J
2
J
3
Characteristic
Value
RF Input Power
6 W > 500 MHz
0/+7 V Control
Control Voltage
-0.2 V, +8 V
Operating Temperature
-40C to +85C
Storage Temperature
-65C to +150C
Absolute Maximum Ratings
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics
1
Rise, Fall (10/90% or 90/10% RF)
10
ns
On, Off (50% CTL to 90/10% RF)
20
ns
Video Feedthru
25
mV
Input Power for 1 dB Compression
0/+3 V
0.53.0 GHz
+30
dBm
0/+5 V
0.53.0 GHz
+34
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +5 dBm
0/+3 V
0.53.0 GHz
+43
dBm
0/+5 V
0.53.0 GHz
+50
dBm
Control Voltages
V
Low
= 0 to 0.2 V @ 20 A Max.
V
High
= +3 V @ 100 A Max. to +5 V @ 200 A Max.
Operating Characteristics at 25C (0, +3 V)
1. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
PHEMT GaAs IC SPDT Switch DC3 GHz
AS179-000
Skyworks Solutions, Inc. [781] 376-3000
Fax [781] 376-3100 Email sales@skyworksinc.com www.skyworksinc.com
3
Specifications subject to change without notice. 2/03A
V
1
V
2
J
1
J
2
J
1
J
3
V
High
0
Isolation
Insertion Loss
0
V
High
Insertion Loss
Isolation
Truth Table
V
High
= +3 to +5 V.
Pin Out
J
2
V
1
J
1
V
2
GND
GND
J
3
DC blocking caps required on RF lines for positive voltage operation.
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