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4272 Datasheet(PDF) 1 Page - Peregrine Semiconductor Corp. |
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4272 Datasheet(HTML) 1 Page - Peregrine Semiconductor Corp. |
1 / 11 page Page 1 of 11 Document No. 70-0173-03 │ www.psemi.com ©2005 Peregrine Semiconductor Corp. All rights reserved. RFC RF1 RF2 CMOS Control Driver CTRL V DD 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. Product Specification SPDT Broadband UltraCMOS™ DC – 3 GHz RF Switch Product Description Figure 1. Functional Diagram PE4272 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 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 Ω system. Figure 2. Package Type Table 1. Electrical Specifications @ +25 °C, VDD = 3 V (ZS = ZL = 75 Ω) 8-lead MSOP Parameter Conditions Min Typ Max Units Operation Frequency1 DC – 3000 MHz Insertion Loss 1000 MHz 2000 MHz 0.5 0.6 0.6 0.7 dB Isolation – RFC to RF1/RF2 1000 MHz 2000 MHz 41 31.5 43 33.5 dB Isolation – RF1 to RF2 1000 MHz 2000 MHz 41 32 43 34 dB Return Loss 1000 MHz 2000 MHz 19.5 16 dB ‘ON’ Switching Time3 50% CTRL to 0.1 dB final value, 2 GHz 500 1000 ns ‘OFF’ Switching Time3 50% CTRL to 25 dB isolation, 2 GHz 500 1000 ns Video Feedthrough2,3 <3 mVpp Input 1 dB Compression3 1000 MHz 30 32 dBm Input IP33 1000 MHz, 20 dBm input power 52 dBm |
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