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PDF AS188-92 Data sheet ( Hoja de datos )
| Número de pieza | AS188-92 | |
| Descripción | PHEMT GaAs IC High Linearity Positive Control SPDT Switch DC-2 GHz | |
| Fabricantes | Alpha Industries | |
| Logotipo |  |
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PHEMT GaAs IC High Linearity Positive
Control SPDT Switch DC–2 GHz
AS188-92
Features
I High Linearity (50 dBm IP3 @ 0.9 GHz)
@3V
I Low Insertion Loss (0.35 dB @ 0.9 GHz)
I +3 V Operation
I Ultra Miniature SC-70 6 Lead Package
I PHEMT Process
Description
The AS188-92 is a PHEMT GaAs FET IC high linearity
SPDT switch in a SC-70 6 lead plastic package. This
switch has been designed for use where extremely high
linearity, low insertion loss and ultra miniature package
size are required. It can be controlled with positive,
negative or a combination of both voltages. Some standard
implementations include antenna changeover, T/R and
diversity switching over 2 W. The AS188-92 switch can be
used in many analog and digital wireless communication
systems including cellular, GSM and DECT applications.
SC-70 6 Lead
0.079 (2.00 mm)
± 0.008 (0.20 mm)
0.087 (2.20 mm)
± 0.008 (0.20 mm)
0.0256 (0.65 mm)
BSC
0.049 (1.25 mm)
± 0.004 (0.10 mm)
PIN 1 INDICATOR
0.035 (0.90 mm)
± 0.004 (0.10 mm)
0.0055
(0.14 mm)
± 0.0015
(0.04 mm)
0.002 (0.005 mm)
± 0.002 (0.005 mm) 0.037 (0.95 mm)
± 0.006 (0.15 mm)
0.009 (0.23 mm)
REF
0.010 (0.25 mm)
± 0.006 (0.15 mm)
0.008 (0.20 mm)
± 0.004 (0.10 mm)
Electrical Specifications at 25°C (0, +3 V)
Insertion Loss3
Parameter1
Isolation
VSWR4
Frequency2
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–1.0 GHz
DC–2.0 GHz
Min.
23
18
13
Typ.
0.35
0.35
0.55
26
22
17
1.3:1
1.3:1
Max.
0.40
0.50
0.70
1.5:1
1.5:1
Unit
dB
dB
dB
dB
dB
dB
dB
dB
Operating Characteristics at 25°C (0, +3 V)
Parameter
Switching Characteristics5
Condition
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Frequency
Min.
Typ.
60
100
50
Max.
Unit
ns
ns
mV
Input Power for 1 dB Compression
0.9 GHz
+33 dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +17 dBm
0.9 GHz
+50 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
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 [email protected] • www.alphaind.com
Specifications subject to change without notice. 6/00A
1
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