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PDF AS191-73 Data sheet ( Hoja de datos )
| Número de pieza | AS191-73 | |
| Descripción | PHEMT GaAs IC High Linearity 3 V Control SPDT Switch 0.1-2 GHz | |
| Fabricantes | Alpha Industries | |
| Logotipo |  |
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PHEMT GaAs IC High Linearity 3 V
Control SPDT Switch 0.1–2 GHz
AS191-73
Features
s +2.5 to +5 V Linear Operation
s Harmonics H2, H3 > 65 dBc @
PIN = 34.5 dBm
s Low Insertion Loss (0.5 dB @ 0.9 GHz)
s High Isolation (27 dB @ 0.9 GHz)
s Ultra Miniature SOT-6 Package
s PHEMT Process
Description
The AS191-73 is a PHEMT GaAs FET IC high linearity
SPDT switch in a SOT-6 plastic package. This switch has
been designed for use where extremely high linearity, low
control voltage, high isolation, 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 3 W. The
SOT-6
0.074
(1.90 mm REF.)
PIN 6
PIN 1
INDICATOR
PIN 1
0.126 (3.20 mm)
0.087 (2.20 mm)
0.071 (1.80 mm)
0.052 (1.30 mm)
0.020 (0.51 mm)
0.014 (0.350 mm)
0.006
(0.15 mm)
0.000
(0.00 mm)
0.057 (1.45 mm)
0.035 (0.90 mm)
0.037 (0.95 mm) REF.
5.0˚ ± 1˚
0.012
(0.30 mm)
TYP.
0.014
(0.26 mm)
0.004
(0.10 mm)
5.0˚ ± 1˚
0.122 (3.10 mm)
0.106 (2.70 mm)
0.022 (0.61 mm)
0.004 (0.10 mm)
AS191-73 switch can be used in many analog and digital
wireless communication systems including cellular, GSM
and DECT applications.
Electrical Specifications at 25°C (0, +3 V)
Insertion Loss2
Parameter1
Isolation
VSWR3
Frequency
0.1–0.5 GHz
0.5–1.0 GHz
1.0–2.0 GHz
0.1–0.5 GHz
0.5–1.0 GHz
1.0–2.0 GHz
0.1–1.0 GHz
1.0–2.0 GHz
Min.
31
25
19
Typ.
0.45
0.50
0.55
33
27
21
1.2:1
1.3:1
Max.
0.60
0.60
0.70
Unit
dB
dB
dB
dB
dB
dB
dB
dB
Operating Characteristics at 25°C (0, +3 V)
Parameter
Switching Characteristics4
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 -0.1 dB Compression 0/+3 V
0.9 GHz
+35 dBm
Harmonics H2, H3
PIN = 34.5 dBm
0.9 GHz
+65 dBc
Control Voltages
VLow = 0 to 0.2 V @ 20 µA Max.
VHigh = +2.5 V @ 100 µA Max. to +5 V @ 200 µA Max.
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. Insertion loss changes by 0.003 dB/°C.
3. Insertion loss state.
4. 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. 8/00A
1
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