AS202-321 Ver la hoja de datos (PDF) - Alpha Industries
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AS202-321 Datasheet PDF : 2 Pages
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PHEMT GaAs IC High Power
SP3T Switch DC–2 GHz
Features
■ Positive Low Voltage Control
(0/2.75 V Operation)
■ Low Insertion Loss (< 0.6 dB @ 2 GHz)
■ High Isolation (30 dB at 1 and 2 GHz)
■ Excellent Harmonics Performance
(65 dBc @ 2.75 V 1 GHz PIN = 34 dBm)
■ Miniature MLP-12 Plastic Package
■ PHEMT Process
Description
The AS202-321 is a PHEMT GaAs IC SP3T antenna
switch operating in the 900 MHz and 1800 MHz
frequency bands. Switching between the antenna and
TX/RX ports is accomplished with 3 control inputs. When
the control inputs are driven with the appropriate voltages,
a low insertion loss path is provided from an antenna
port to an RX or TX port, while the other ports have
high attenuation.
Preliminary
AS202-321
MLP-12
0.118 (3.00 mm)
PIN 1
INDICATOR
0.008 (0.20 mm)
SEATING PLANE
0.001
(0.02 mm)
0.118
(3.00 mm)
0.030
(0.75 mm)
± 0.002
(0.05 mm)
EXPOSED
PAD
0.029
(0.73 mm) PIN 1
INDICATOR
0.009 (0.23 mm)
+ 0.003 (0.07 mm)
- 0.002 (0.05 mm)
0.057 (1.45 mm) SQ.
+ 0.004 (0.10 mm)
- 0.006 (0.15 mm)
0.0196
(0.50 mm) BSC
Electrical Specifications at 25°C (0, +2.75 V)
Insertion Loss
Parameter
Ant-RF1, RF2, RF3
Isolation
Ant-RF1, RF2, RF3
Return Loss
Ant-RF1, RF2, RF3
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
0.1–0.5 GHz
0.5–1.0 GHz
1.0–2.0 GHz
Min.
25
22
22
Typ. Max. Unit
0.55 0.75
dB
0.60 0.80
dB
0.80 1.10
dB
28
dB
25
dB
25
dB
18
dB
18
dB
14
dB
Operating Characteristics at 25°C (0, +2.75 V)
Parameter
2nd Harmonic
3rd Harmonic
2nd Harmonic
3rd Harmonic
Gate Leakage Current
Control Voltages
Condition
34 dBm In @ 2.75 V
34 dBm In @ 2.75 V
32 dBm In @ 2.75 V
32 dBm In @ 2.75 V
34 dBm In @ 2.75 V
VHigh
VLow
Frequency
1 GHz
1 GHz
2 GHz
2 GHz
Min.
-0.25
2.60
Typ. Max. Unit
72
dBc
65
dBc
70
dBc
65
dBc
0.030 mA
0
0.25
V
2.75 5.00
V
Alpha Industries, Inc. [781] 935-5150 • Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com
1
Specifications subject to change without notice. 8/01A
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