Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 1
Specifications subject to change without notice. 11/99A
PHEMT GaAs IC SPDT Switch DC–2.5 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
■ Miniature SC-70 6 Lead Plastic Package
AS183-92
Description
The AS183-92 is an IC FET SPDT switch in a very small
SC-70 6 lead plastic package.The AS183-92 features low
insertion loss and positive voltage operation with very low
DC power consumption.This switch is suitable for handset
applications.
Parameter
1
Frequency
2
Min. Typ. Max. Unit
Insertion Loss
3
DC-1.0 GHz 0.30 0.4 dB
DC–2.0 GHz 0.30 0.4 dB
DC-2.5 GHz 0.55 0.6 dB
Isolation DC-1.0 GHz 18 20 dB
DC–2.0 GHz 12 14 dB
DC-2.5 GHz 11 13 dB
VSWR
4
DC-2.5 GHz 1.2:1 1.6:1
Electrical Specifications at 25°C (0, +3 V)
0.079 (2.00 mm)
± 0.008 (0.20 mm)
0.049 (1.25 mm)
± 0.004 (0.10 mm)
0.008 (0.20 mm)
± 0.004 (0.10 mm)
0.087 (2.20 mm)
± 0.008 (0.20 mm)
0.035 (0.90 mm)
± 0.004 (0.10 mm)
0.002 (0.005 mm)
± 0.002 (0.005 mm)
0.037 (0.95 mm)
± 0.006 (0.15 mm)
0.010 (0.25 mm)
± 0.006 (0.15 mm)
0.0055
(0.14 mm)
± 0.0015
(0.04 mm)
0.0256 (0.65 mm)
BSC
0.009 (0.23 mm)
REF
PIN 1 INDICATOR
SC-70 6 Lead
Preliminary
Parameter Condition Frequency Min. Typ. Max. Unit
Switching Characteristics
5
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 0.5–2.5 GHz +30 dBm
0/+5 V 0.5–2.5 GHz +34 dBm
Intermodulation Intercept Point (IP3) For Two-tone Input Power +15 dBm
0/+3 V 0.5–2.5 GHz +43 dBm
0/+5 V 0.5–2.5 GHz +50 dBm
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.
Operating Characteristics at 25°C (0, +3 V)
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.
PHEMT GaAs IC SPDT Switch DC–2.5 GHz AS183-92
2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 11/99A
V
1
V
2
J1–J
2
J1–J
3
0V
High
Isolation Insertion Loss
V
High
0 Insertion Loss Isolation
Truth Table
V
High
= +3 to +5 V.
Pin Out
12 3
65 4
J
1
GND
J
2
C
BL
C
BL
C
BL
J
3
V
2
V
1
Typical Performance Data (0, +3 V)
Insertion Loss vs. Frequency
Frequency (GHz)
Insertion Loss (dB)
0.0
0.2
0.4
0.6
0.8
1.0
0.0 0.5 1.0 1.5 2.0 2.5
VSWR vs. Frequency
Frequency (GHz)
VSWR
1.0
1.1
1.2
1.3
1.4
1.5
0.0 0.5 1.0 1.5 2.0 2.5
Isolation vs. Frequency
Frequency (GHz)
Isolation (dB)
10
15
20
25
30
35
40
0
5
0.0
0.5 1.0 1.5 2.0 2.5
Characteristic Value
RF Input Power 6 W > 500 MHz
0/+7 V Control
Control Voltage -0.2 V, +8 V
Operating Temperature -40°C to +85°C
Storage Temperature -65°C to +150°C
Θ
JC
25°C/W
Absolute Maximum Ratings
DC blocking capacitors (CBL) must be supplied externally for
positive voltage operation.
C
BL
= 100 pF for operation >500 MHz.