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參數資料
| 型號： | AS148-24 |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 開關 |
| 英文描述： | 0.3 MHz - 2500 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 1.4 dB INSERTION LOSS |
| 封裝： | PLASTIC, SOIC-14 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 28K |
| 代理商： | AS148-24 |
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 Characteristics5
Rise, Fall (10/90% or 90/10% RF)
60
ns
On, Off (50% CTL to 90/10% RF)
100
ns
Video Feedthru
50
mV
Intermodulation Intercept Point (IP3)
Two-tone Input Power +10 dBm
0.5–2.0 GHz
+41
dBm
Control Voltages
VLow = 0 to 0.2 V @ 20 A Max.
VHigh = +5 V @ 200 A Max. to +7 V @ 500 A Max.
VS = VHigh ± 0.2 V
GaAs IC High Isolation Positive Control
SPDT Switch DC–2.5 GHz
Features
■ Positive Voltage Control
■ High Isolation (50 dB @ 0.9 GHz
and 1.9 GHz)
■ Low DC Power Consumption
■ Base Station Synthesizer Switch
SOIC-14
AS148-24
Description
The AS148-24 is a GaAs FET IC SPDT switch packaged
in an SOIC-14 plastic package for low cost commercial
applications. Ideal building block for base station dual-band
applications where synthesizer isolation is critical. Use in
conjunction with the AS123-12 SPST switch to meet GSM
synthesizer isolation requirement.
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–1.0 GHz
0.6
0.9
dB
DC–2.0 GHz
0.8
1.1
dB
DC–2.5 GHz
1.2
1.4
dB
Isolation
DC–1.0 GHz
44
50
dB
DC–2.0 GHz
45
50
dB
DC–2.5 GHz
32
42
dB
VSWR4
DC–2.0 GHz
1.3:1
1.5:1
DC–2.5 GHz
1.5:1
1.8:1
Electrical Specifications at 25°C (0, +5 V)
PIN 14
0.050
(1.27 mm) BSC
PIN 1
INDICATOR
0.158 (4.01 mm)
0.150 (3.81 mm)
0.050 (1.27 mm)
0.016 (0.40 mm)
0.244
(6.20 mm)
0.228
(5.80 mm)
0.020 (0.51 mm)
0.013 (0.33 mm)
0.344 (8.75 mm)
0.337 (8.55 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 MAX.
(0.41 mm)
x 45
CHAMFER
0.0098 (0.25 mm)
0.0075 (0.19 mm)
8 MAX.
Operating Characteristics at 25°C (0, +5 V)
1. All measurements made in a 50
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.
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