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參數(shù)資料
| 型號： | AS202-321 |
| 元件分類： | 開關(guān) |
| 英文描述： | 0 MHz - 2000 MHz RF/MICROWAVE SGL POLE TRIPLE THROW SWITCH, 1.1 dB INSERTION LOSS |
| 封裝： | PLASTIC, QFN-12 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 84K |
| 代理商： | AS202-321 |
Alpha Industries, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@alphaind.com www.alphaind.com
1
Specifications subject to change without notice. 2/02A
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 QFN-12 Plastic Package
■ PHEMT Process
QFN-12
AS202-321
0.008 (0.20 mm)
SEATING PLANE
0.118 (3.00 mm)
PIN 1
INDICATOR
PIN 1 INDICATOR
0.118
(3.00 mm)
0.001
(0.02 mm)
0.030
(0.75 mm)
± 0.002
(0.05 mm)
EXPOSED PAD
0.029
(0.73 mm)
0.017
(0.435 mm) SQ.
0.007
(0.180 mm)
0.0196
(0.50 mm) BSC
0.057 (1.45 mm) SQ.
+ 0.004 (0.10 mm)
- 0.006 (0.15 mm)
0.022 (0.55 mm)
± 0.004 (0.10 mm)
0.009 (0.23 mm)
+ 0.003 (0.07 mm)
- 0.002 (0.05 mm)
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.
Parameter
Frequency
Min.
Typ.
Max.
Unit
Insertion Loss
Ant-RF1, RF2, RF3
DC–0.5 GHz
0.55
0.75
dB
DC–1.0 GHz
0.60
0.80
dB
DC–2.0 GHz
0.80
1.10
dB
Isolation
Ant-RF1, RF2, RF3
DC–0.5 GHz
25
28
dB
DC–1.0 GHz
22
25
dB
DC–2.0 GHz
22
25
dB
Return Loss
Ant-RF1, RF2, RF3
DC–0.5 GHz
18
dB
DC–1.0 GHz
18
dB
DC–2.0 GHz
14
dB
Electrical Specifications at 25°C (0, +2.75 V)
Preliminary
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
2nd Harmonic
34 dBm In @ 2.75 V
1 GHz
72
dBc
3rd Harmonic
34 dBm In @ 2.75 V
1 GHz
65
dBc
2nd Harmonic
32 dBm In @ 2.75 V
2 GHz
70
dBc
3rd Harmonic
32 dBm In @ 2.75 V
2 GHz
65
dBc
Gate Leakage Current
34 dBm In @ 2.75 V
0.030
mA
Control Voltages
VHigh
-0.25
0
0.25
V
VLow
2.60
2.75
5.00
V
Operating Characteristics at 25°C (0, +2.75 V)
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