Product Specification
PE4273
Product Description
The PE4273 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. It offers a simple
alternative solution to pin diode and mechanical relay switches.
The PE4273 SPDT Broadband RF Switch is manufactured on
Peregrine鈥檚 UltraCMOS鈩?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.
SPDT Broadband UltraCMOS鈩?/div>
DC 鈥?3 GHz RF Switch
Features
鈥?/div>
Single-pin or complementary CMOS logic
control inputs
鈥?/div>
High ESD tolerance of 1.5 kV
鈥?/div>
Low insertion loss: 0.50 dB at 1000 MHz,
0.65 dB at 2000 MHz
鈥?/div>
Isolation of 34.5 dB at 1000 MHz, 25 dB at
2000 MHz
鈥?/div>
Typical input 1 dB compression point of
+32 dBm
Figure 1. Functional Diagram
RFC
鈥?/div>
Ultra-small SC-70 package
Figure 2. Package Type
6-lead SC-70
RF2
RF1
CMOS
Control
Driver
V1
V2
Table 1. Electrical Specifications @ +25 擄C, V
DD
= 3 V
(Z
S
= Z
L
= 75
鈩?/div>
)
Parameter
Operation Frequency
1
Insertion Loss
Isolation (RFC - RF1/RF2)
Isolation (RF1 - RF2)
Return Loss
鈥極N鈥?Switching Time
3
鈥極FF鈥?Switching Time
3
Video Feedthrough
2,3
Input 1 dB Compression
3
Input IP3
3
Notes:
1000 MHz
1000 MHz, 19 dBm input power
30
DC - 3000
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
50% CTRL to 0.1 dB of final value, 1 GHz
50% CTRL to 25 dB isolation, 1 GHz
32.5
23
38.5
26
Conditions
Min
DC
Typical
Max
3000
Units
MHz
dB
dB
dB
dB
dB
dB
dB
dB
0.50
0.65
34.5
25
40.5
28
18.5
14
0.725
0.625
<2
32
53
0.60
0.75
1.5
1.3
碌s
碌s
mV
pp
dBm
dBm
1. Device linearity will begin to degrade below 10 MHz.
2. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.
3. Measured in a 50
鈩?/div>
system.
Document No. 70-0174-04
鈹?/div>
www.psemi.com
漏2005-2006 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 11
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