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參數資料
| 型號： | 4271-51 |
| 廠商： | PEREGRINE SEMICONDUCTOR CORP |
| 元件分類： | 開關 |
| 英文描述： | SPST CATV UltraCMOS⑩ Switch DC - 3000 MHz |
| 中文描述： | 0 MHz - 3000 MHz RF/MICROWAVE SGL POLE SGL THROW SWITCH, 0.85 dB INSERTION LOSS |
| 封裝： | 3 X 3 MM, GREEN, DFN-6 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 297K |
| 代理商： | 4271-51 |
Page 1 of 8
Document No. 70-0149-05
│ www.psemi.com
2005-2009 Peregrine Semiconductor Corp. All rights reserved.
RF1
RF2
CTRL
75
CMOS
Control
Driver
ESD
Parameter
Condition
Minimum
Typical
Maximum
Units
Operating Frequency1
DC
3000
MHz
Insertion Loss
DC – 50 MHz
1000 MHz
0.50
0.70
0.65
0.85
dB
Isolation
DC – 50 MHz
1000 MHz
80
58
85
60
dB
Return Loss
DC - 1000 MHz
VCTRL = 3.0V
15
16
dB
Input 1 dB Compression2,4
1000 MHz
30
33
dBm
CTB / CSO
77 & 110 channels;
PO = 44 dBmV
-90
dBc
Input IP22
1000 MHz
80
dBm
Input IP32
1000 MHz
50
dBm
Video Feedthrough3
15
mVpp
Switching Time
2
S
The PE4271 is a is a high-isolation Switch designed for CATV
applications, covering a broad frequency range from near DC
up to 3000 MHz. This single-supply SPST switch offers a
single-pin CMOS control interface with industry leading CTB
performance. It also provides low insertion loss, high isolation
and extremely low bias requirements while operating on a
single 3-volt supply. In a typical CATV application, the PE4271
provides for a cost effective and manufacturable solution vs.
mechanical relays.
The PE4271 is manufactured on Peregrine’s UltraCMOS
process, a patented variation of silicon-on-insulator (SOI)
technology on a sapphire substrate, offering the performance
of GaAs with the economy and integration of conventional
CMOS.
Product Specification
SPST CATV UltraCMOS Switch
DC - 3000 MHz
Product Description
Figure 1. Functional Diagram
PE4271
Features
Integrated 0.25 watt terminations
CTB performance of 90 dBc
High isolation: 85 dB at 5 MHz, 60 dB
at 1000 MHz
Low insertion loss: 0.5 dB at 5 MHz,
0.70 dB at 1000 MHz
High input IP2: >80 dBm
CMOS/TTL single-pin control
Single +3-volt supply operation
Extremely low bias: 8
A @ 3 V
Available in a 6-lead DFN package
Notes: 1. Device linearity will begin to degrade below 1 MHz.
2. Measured in a 50
system.
3. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.
4. Note Absolute Maximum ratings in Table 3.
Table 1. Electrical Specifications @ +25 °C (ZS = ZL = 75 )
Figure 2. Package Type
6-lead DFN
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