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參數資料
| 型號： | AS123-12LF |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 開關 |
| 英文描述： | 700 MHz - 2500 MHz RF/MICROWAVE SGL POLE SGL THROW SWITCH, 1.3 dB INSERTION LOSS |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 27K |
| 代理商： | AS123-12LF |
Skyworks Solutions, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@skyworksinc.com www.skyworksinc.com
1
Specifications subject to change without notice. 3/99A
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics4
Rise, Fall (10/90% or 90/10% RF)
25
ns
On, Off (50% CTL to 90/10% RF)
150
ns
Video Feedthru
50
mV
Input Power for 1 dB Compression
0.5–2.0 GHz
+28
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +5 dBm
0.5–2.0 GHz
+45
dBm
Control Voltages
VLow = 0 to 0.2 V @ 20 A Max.
VHigh = +5 V @ 50 A Max. to +7 V @ 200 A Max.
VS = VHigh ± 0.2 V
GaAs MMIC High Isolation SPST Switch
Positive Control 0.7–2.5 GHz
Features
■ Single Positive Control Voltage
■ +5 V Operation
■ High Isolation (45 dB @ 0.9 GHz,
47 dB @ 1.9 GHz)
■ J1 Port Non-Reflective
SOIC-8
AS123-12
Description
The AS123-12 SPST IC FET switch is absorptive on the
input. The switch features high isolation and low insertion
loss. Ideal building block for base station applications
where synthesizer isolation is critical. Use in conjunction
with the AS148-24 SPDT switch to meet GSM synthesizer
switch isolation requirements.
Parameter1
Frequency
Min.
Typ.
Max.
Unit
Insertion Loss2
0.7–1.0 GHz
0.7
0.9
dB
1.0–2.0 GHz
0.8
1.0
dB
2.0–2.5 GHz
1.2
1.3
dB
Isolation
0.7–1.0 GHz
39
45
dB
1.0–2.0 GHz
42
47
dB
2.0–2.5 GHz
30
35
dB
VSWR3
0.7–1.8 GHz
1.5:1
1.7:1
1.8–2.5 GHz
1.7:1
1.8:1
Electrical Specifications at 25°C (0, +5 V)
0.049
(1.24 mm)
0.016
(0.41 mm)
0.016 MAX.
(0.41 mm) x
45 CHAMFER
PIN 1
0.197 (5.00 mm)
0.189 (4.80 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
8
MAX.
0.020 (0.51 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.050 (1.27 mm) BSC
PIN 8
PIN 1
INDICATOR
Operating Characteristics at 25°C (0, +5 V)
1. All measurements made in a 50
system, unless otherwise specified.
2. Insertion loss changes by 0.003 dB/°C.
3. Insertion loss state and J1 port.
4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
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