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參數資料
| 型號： | 4270-01 |
| 英文描述： | SPST CATV UltraCMOS⑩ Switch DC - 3000 MHz |
| 中文描述： | 聚苯乙烯有線電視的UltraCMOS⑩開關直流- 3000兆赫 |
| 文件頁數： | 1/8頁 |
| 文件大?。?/td> | 302K |
| 代理商： | 4270-01 |
Page 1 of 8
Document No. 70-0148-03
│
www.psemi.com
2005 Peregrine Semiconductor Corp. All rights reserved.
RF1
RF2
CTRL
75
75
CMOS
Control
Driver
The PE4270 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 PE4270
provides for a cost effective and manufacturable solution vs.
mechanical relays.
The PE4270 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.
Figure 1. Functional Diagram
Product Specification
PE4270
SPST CATV UltraCMOS Switch
DC - 3000 MHz
Features
Integrated 0.25 watt terminations
CTB performance of 90 dBc
High isolation: 90 dB at 5 MHz, 63 dB
at 1000 MHz
Low insertion loss: 0.5 dB at 50 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
μ
A @ 3 V
Available in a 6-lead DFN package
Product Description
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
(Z
S
= Z
L
= 75
)
Figure 2. Package Type
6-lead DFN
Parameter
Condition
Minimum
Typical
Maximum
Units
Operating Frequency
1
DC
3000
0.65
0.85
MHz
Insertion Loss
DC – 50 MHz
1000 MHz
DC – 50 MHz
1000 MHz
5 - 1000 MHz,
V
CNTL
= 3.0V
1000 MHz
77 & 110 channels;
PO = 44 dBmV
1000 MHz
0.50
0.70
90
63
dB
Isolation
85
60
dB
Return Loss
15
16
dB
1 dB Compression
2,4
28
30
dBm
CTB / CSO
-90
dBc
Input IP2
2
80
dBm
Input IP3
2
1000 MHz
50
dBm
Video Feedthrough
3
15
mV
pp
Switching Time
2
μS
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