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PE4272 Schematic ( PDF Datasheet ) - Peregrine Semiconductor

Teilenummer PE4272
Beschreibung SPDT Broadband UltraCMOS
Hersteller Peregrine Semiconductor
Logo Peregrine Semiconductor Logo 




Gesamt 11 Seiten
PE4272 Datasheet, Funktion
www.DataSheet4U.com
Product Description
The PE4272 RF Switch is designed for the TV tuner, PCTV, set
top box, DTV, DVR and general broadband applications. This
device offers industry leading broadband linearity, 1.5 kV ESD
tolerance and a simple CMOS interface. The device offers a
simple alternative solution to pin diode and mechanical relay
switches.
The PE4272 SPDT High Power RF Switch 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
PE4272
SPDT Broadband UltraCMOS™
DC – 3 GHz RF Switch
Features
High ESD tolerance of 1.5 kV
Single-pin CMOS logic control
Low insertion loss: 0.5 dB at 1000 MHz,
0.6 dB at 2000 MHz
Isolation of 43 dB at 1000 MHz, 33.5 dB
at 2000 MHz
Typical input 1 dB compression point of
+32 dBm
Small 8-lead MSOP package
RFC
RF1 RF2
Figure 2. Package Type
8-lead MSOP
CMOS
Control
Driver
VDD CTRL
Table 1. Electrical Specifications @ +25 °C, VDD = 3 V (ZS = ZL = 75 )
Parameter
Operation Frequency1
Insertion Loss
Isolation – RFC to RF1/RF2
Isolation – RF1 to RF2
Return Loss
‘ON’ Switching Time3
‘OFF’ Switching Time3
Video Feedthrough2,3
Input 1 dB Compression3
Conditions
DC – 3000
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
50% CTRL to 0.1 dB final value, 2 GHz
50% CTRL to 25 dB isolation, 2 GHz
1000 MHz
Min
41
31.5
41
32
30
Typ
0.5
0.6
43
33.5
43
34
19.5
16
500
500
<3
32
Max
0.6
0.7
1000
1000
Units
MHz
dB
dB
dB
dB
ns
ns
mVpp
dBm
Input IP33
1000 MHz, 20 dBm input power
52 dBm
Notes:
1. Device linearity will begin to degrade below 5 MHz.
2. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.
3. Measured in a 50 system.
Document No. 70-0173-03 www.psemi.com
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 11






PE4272 Datasheet, Funktion
Typical Performance Data
Figure 10. Isolation: RFC-RF1 @ 25 °C
PE4272
Product Specification
Figure 11. Isolation: RFC-RF1 @ 3 V
Figure 12. Isolation: RFC-RF2 @ 25 °C
Figure 13. Isolation: RFC-RF2 @ 3 V
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 6 of 11
Document No. 70-0173-03 UltraCMOS™ RFIC Solutions

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