4237
器件描述:SPDT UltraCMOS⑩ RF Switch DC - 4000 MHz
文件大小:278.93KB,共8页
Sponsor by e络盟
器件资料摘要:
Page 1 of 8
Document No. 70-0071-03 │ www.psemi.com ©2005 Peregrine Semiconductor Corp. All rights reserved.
RFC
RF1 RF2
CMOS
Control
Driver
CTRL
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 Ω test set-up, measured with 1ns risetime pulses and 500 MHz bandwidth.
Table 1. Electrical Specifications @ +25 °C, V
DD
= 3 V (ZS = ZL = 50 Ω)
Figure 2. Package Type
6-lead DFN
Parameter Conditions Minimum Typical Maximum Units
Operation Frequency
1
DC 4000 MHz
Insertion Loss
1000 MHz
2000 MHz
0.35
0.45
0.50
0.60
dB
dB
Isolation – RFC to RF1/RF2
1000 MHz
2000 MHz
41
33
43
35
dB
dB
Isolation – RF1 to RF2
1000 MHz
2000 MHz
33.5
26.5
35
28
dB
dB
Return Loss
1000 MHz
2000 MHz
19
10.5
24
14
dB
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 Feedthrough
2
15 mV
pp
Input 1 dB Compression 2000 MHz 30 32 dBm
Input IP3 2000 MHz, 17 dBm 50 dBm