Preliminary
GaAs IC Positive Control Non-Reflective
SPDT Switch 0.5–2 GHz
AS171-73
Features
s
Positive Control Voltage
s
Non-Reflective
s
Low DC Power Consumption
s
Small Low Cost SOT-6 Plastic Package
SOT-6
0.074
(1.90 mm REF.)
PIN 6
PIN 1
INDICATOR
PIN 1
0.020 (0.51 mm)
0.014 (0.350 mm)
0.057 (1.45 mm)
0.035 (0.90 mm)
0.126 (3.20 mm)
0.087 (2.20 mm)
0.071 (1.80 mm)
0.052 (1.30 mm)
0.037 (0.95 mm) REF.
0.012
(0.30 mm)
TYP.
0.014
(0.26 mm)
0.004
(0.10 mm)
5.0˚ ± 1˚
Description
The AS171-73 is an IC FET non-reflective SPDT switch
in a low cost SOT-6 plastic package. The AS171-73
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.
0.006
(0.15 mm)
0.000
(0.00 mm)
5.0˚ ± 1˚
0.122 (3.10 mm)
0.106 (2.70 mm)
0.022 (0.61 mm)
0.004 (0.10 mm)
Electrical Specifications at 25°C (0, +3 V)
Parameter
1
Insertion Loss
2
Isolation
VSWR
3
Frequency
0.5-1.0 GHz
0.5-2.0 GHz
0.5-1.0 GHz
0.5-2.0 GHz
0.5-2.0 GHz
32
30
Min.
Typ.
0.8
0.9
35
33
1.4:1
1.8:1
Max.
1.0
1.1
Unit
dB
dB
dB
dB
Operating Characteristics at 25°C (0, +3 V)
Parameter
Switching Characteristics
Condition
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
4
0/+3 V
0/+5 V
For Two-tone Input Power +13 dBm
0.5–2.0 GHz
0.5–2.0 GHz
0.5–2.0 GHz
Frequency
Min.
Typ.
10
20
25
+21
+26
+45
Max.
Unit
ns
ns
mV
dBm
dBm
dBm
Input Power for 1 dB Compression
Intermodulation Intercept Point (IP3)
Control Voltages
V
Low
= 0 to 0.2 V @ 20 µA Max.
V
High
= +3 V @ 100 µA Max. to +5 V @ 200 µA Max.
V
S
= V
High
± 0.2 V
1. All measurements made in a 50
Ω
system, unless otherwise specified.
2. Insertion loss changes by 0.003 dB/°C.
3. Input/output.
4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[617] 824-4579
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 3/99A
1
GaAs IC Positive Control Non-Reflective SPDT Switch 0.5–2 GHz
AS171-73
Typical Performance Data (0, +3 V)
1.4
40
Insertion Loss (dB)
1.2
0.8
0.6
0.4
0.2
0.0
0.5
Isolation (dB)
1.0
1.5
2.0
2.5
3.0
1.0
35
30
25
20
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
1.7
1.6
1.5
Isolation vs. Frequency
Absolute Maximum Ratings
Characteristic
RF Input Power
Control Voltage
Operating Temperature
Storage Temperature
Θ
JC
Value
2 W > 500 MHz
0/+7 V Control
-0.2 V, +8 V
-40°C to +85°C
-50°C to +150°C
25°C/W
VSWR
1.4
1.3
1.2
1.1
1.0
0.5
1.0
1.5
2.0
2.5
3.0
Pin Out
V
S
J
2
GND
J
3
V
1
10 kΩ
50
J
1
V
2
Frequency (GHz)
VSWR vs. Frequency
1
2
6
5
Truth Table
V
1
V
High
0
V
2
0
V
High
J
1
–J
2
Insertion Loss
Isolation
J
1
–J
3
Isolation
Insertion Loss
3
4
50
V
High
= +3 to +5 V (V
S
= V
High
± 0.2 V).
2
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[617] 824-4579
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 3/99A
Talking
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