Datasheet > 4272

4272

更新时间： 2024-11-14 07:48:11

品牌	Logo	应用领域
PSEMI		开关光电二极管
页数	文件大小	规格书
11页	222K
描述
SPDT Broadband UltraCMOS? DC - 3 GHz RF Switch

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Product Specification

PE4272

SPDT Broadband UltraCMOS™

DC – 3 GHz RF Switch

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.

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

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.

at 2000 MHz

• Typical input 1 dB compression point of

+32 dBm

• Small 8-lead MSOP package

Figure 1. Functional Diagram

RFC

Figure 2. Package Type

8-lead MSOP

RF1

RF2

CMOS

Control

Driver

V_DDCTRL

Table 1. Electrical Specifications @ +25 °C, V_DD= 3 V (Z_S= Z_L= 75 ꢀ)

Parameter

Conditions

Min

Typ

Max

Units

Operation Frequency¹

DC – 3000

MHz

1000 MHz

2000 MHz

0.5

0.6

0.7

Insertion Loss

1000 MHz

2000 MHz

31.5

33.5

Isolation – RFC to RF1/RF2

Isolation – RF1 to RF2

1000 MHz

2000 MHz

1000 MHz

2000 MHz

19.5

Return Loss

‘ON’ Switching Time³

‘OFF’ Switching Time³

Video Feedthrough^2,3

Input 1 dB Compression³

50% CTRL to 0.1 dB final value, 2 GHz

50% CTRL to 25 dB isolation, 2 GHz

500

1000

mV_pp

dBm

1000 MHz

Input IP3³

1000 MHz, 20 dBm input power

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 Ω system.

Document No. 70-0173-03 │ www.psemi.com

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