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| 型号： | 4237-52 |
| 厂商： | PEREGRINE SEMICONDUCTOR CORP |
| 元件分类： | 开关 |
| 英文描述： | SPDT UltraCMOS⑩ RF Switch DC - 4000 MHz |
| 中文描述： | 0 MHz - 4000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 0.6 dB INSERTION LOSS |
| 封装： | 3 X 3 MM, GREEN, DFN-6 |
| 文件页数： | 1/8页 |
| 文件大小： | 275K |
| 代理商： | 4237-52 |
Page 1 of 8
Document No. 70-0071-06
│ www.psemi.com
2003-2009 Peregrine Semiconductor Corp. All rights reserved.
RF1
CTRL
RFC
CMOS
Control
Driver
ESD
The PE4237 RF Switch is designed to cover a broad range of
applications from near DC to 4000 MHz. This reflective switch
integrates on-board CMOS control logic driven by a single-pin,
low voltage CMOS or TTL control input. Using a nominal +3-
volt power supply, a 1 dB compression point of +32 dBm can
be achieved. The PE4237 also exhibits outstanding isolation
of better than 43 dB at 1000 MHz and is
offered in a small 3x3 mm DFN package.
The PE4237 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
SPDT UltraCMOS RF Switch
DC - 4000 MHz
Product Description
Figure 1. Functional Diagram
PE4237
Features
Single 3.0-volt power supply
Low insertion loss: 0.35 dB at
1000 MHz, 0.45 dB at 2000 MHz
High isolation of 43 dB at 1000 MHz,
35 dB at 2000 MHz
Typical 1 dB compression point of
+32 dBm
Single-pin CMOS or TTL logic control
Available in a 6-lead DFN package
Notes: 1. Device linearity will begin to degrade below 10 MHz.
2. The DC transient at the output of any port of the switch when the control voltage is switched from Low to
High or High to Low in a 50
test set-up, measured with 1ns risetime pulses and 500 MHz bandwidth.
Table 1. Electrical Specifications @ +25 °C, VDD = 3 V (ZS = ZL = 50 )
Figure 2. Package Type
6-lead DFN
Parameter
Conditions
Minimum
Typical
Maximum
Units
Operation Frequency1
DC
4000
MHz
Insertion Loss
1000 MHz
2000 MHz
0.35
0.45
0.50
0.60
dB
Isolation – RFC to RF1/RF2
1000 MHz
2000 MHz
41
33
43
35
dB
Isolation – RF1 to RF2
1000 MHz
2000 MHz
33.5
26.5
35
28
dB
Return Loss
1000 MHz
2000 MHz
19
10.5
24
14
dB
‘ON’ Switching Time
50% CTRL to 0.1 dB final value, 2 GHz
200
ns
‘OFF’ Switching Time
50% CTRL to 25 dB isolation, 2 GHz
90
ns
Video Feedthrough2
15
mVpp
Input 1 dB Compression
2000 MHz
30
32
dBm
Input IP3
2000 MHz, 17 dBm
50
dBm
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