GaAs IC High Isolation Positive Control
SPDT Switch DC–2.5 GHz
AS164-80
Features
SSOP-16
■ Positive Voltage Control
0.197 (5.00 mm)
0.189 (4.80 mm)
0.025
(0.635 mm) TYP.
■ High Isolation (50 dB @ 1.9 GHz)
PIN 16
■ Low DC Power Consumption
0.244 (6.20 mm)
0.228 (5.80 mm)
■ Base Station Synthesizer Switch
0.158 (4.00 mm)
0.150 (3.80 mm)
PIN 1
Description
The AS164-80 is a GaAs FET IC SPDT switch packaged
in an SSOP-16 plastic package for low cost commercial
applications. Ideal building block for base station dual band
applications where synthesizer isolation is critical. Use in
conjunction with the AS165-59 SPST switch to meet GSM
synthesizer isolation requirements.
0.0196 X 45˚
CHAMFER
0.068
(1.73 mm) MAX.
R 0.008
MIN.
R 0.013/0.008
0.0098
(0.0075 mm)
5˚ -15˚
0.010
(0.25 mm) TYP.
0.010 (0.25 mm)
0.004 (0.10 mm)
8˚ MAX.
Electrical Specifications at 25°C (0, +5 V)
Parameter1
Insertion
Frequency2
Loss3
Min.
DC–1.0 GHz
1.0–2.0 GHz
2.0–2.5 GHz
Isolation
DC–2.0 GHz
2.0–2.5 GHz
VSWR4
DC–2.0 GHz
DC–2.5 GHz
44
32
Typ.
Max.
Unit
0.6
0.8
1.0
0.8
1.0
1.2
dB
dB
dB
50
42
dB
dB
1.3:1
1.5:1
1.5:1
1.8:1
Typ.
Max.
Operating Characteristics at 25°C (0, +5 V)
Parameter
Switching
Characteristics5
Condition
Frequency
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Intermodulation Intercept Point (IP3)
Two-tone Input Power +10 dBm
Control Voltages
VLow = 0 to 0.2 V @ 20 µA Max.
VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max.
VS = VHigh ± 0.2 V
0.5–2.5 GHz
Min.
Unit
60
100
50
ns
ns
mV
+41
dBm
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Insertion loss state.
5. 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. 10/00A
1
GaAs IC High Isolation Positive Control SPDT Switch DC–2.5 GHz
AS164-80
Typical Performance Data (0, +5 V)
-20
-25
-0.25
J1–J3
-0.50
-0.75
Isolation (dB)
Insertion Loss (dB)
0
J1–J2
-1.00
-30
-35
J1–J3
-40
-45
-50
J1–J2
-55
-60
-1.25
-65
-1.50
0
0.5
1.0
1.5
2.0
2.5
-70
3.0
0
0.5
1.0
Frequency (GHz)
1.5
2.0
2.5
3.0
Frequency (GHz)
Insertion Loss vs. Frequency
Isolation vs. Frequency
2.0
Absolute Maximum Ratings
VSWR (dB)
1.8
Characteristic
1.6
J1–J2
1.4
2 W Max. > 500 MHz
0/+8 V Control
Supply Voltage
+8 V
Control Voltage
J1–J3
1.2
-0.2 V, +8 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
ΘJC
1.0
0
0.5
1.0
1.5
2.0
2.5
Value
RF Input Power
25°C/W
3.0
Frequency (GHz)
Pin Out
VSWR vs. Frequency
CBL
Isolation
VHigh = +3 to +5 V (VS = VHigh ± 0.2 V).
2
9
Insertion Loss
11 10
VHigh
15 14 13 12
0
GND
GND
GND
DC blocking capacitors (CBL) must be supplied externally.
CBL = 47 pF for operation >500 MHz.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 10/00A
J2
16
Insertion Loss
8
Isolation
7
0
CBL
6
VHigh
J1
5
J1–J3
4
J1–J2
3
V2
2
V1
1
Truth Table
GND
VS
GND
GND
GND
V1
GND
V2
GND
GND C
BL
J3