Datasheet > 4237-01

4237-01

更新时间： 2024-01-25 09:38:58

品牌	Logo	应用领域
PSEMI		开关光电二极管
页数	文件大小	规格书
8页	278K
描述
SPDT UltraCMOS? RF Switch DC - 4000 MHz

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Product Specification

PE4237

SPDT UltraCMOS™ RF Switch

DC - 4000 MHz

Product Description

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

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

offered in a small 3x3 mm DFN package.

• Typical 1 dB compression point of

+32 dBm

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.

• Single-pin CMOS or TTL logic control

• Available in a 6-lead DFN package

Figure 1. Functional Diagram

Figure 2. Package Type

6-lead DFN

RFC

RF1

RF2

CMOS

Control

Driver

CTRL

Table 1. Electrical Specifications @ +25 °C, V_DD= 3 V (ZS = ZL = 50 Ω)

Parameter

Conditions

Minimum

Typical

Maximum

Units

Operation Frequency¹

4000

0.50

0.60

MHz

1000 MHz

0.35

Insertion Loss

2000 MHz

1000 MHz

0.45

Isolation – RFC to RF1/RF2

Isolation – RF1 to RF2

Return Loss

2000 MHz

1000 MHz

33.5

2000 MHz

1000 MHz

26.5

2000 MHz

10.5

‘ON’ Switching Time

‘OFF’ Switching Time

Video Feedthrough²

Input 1 dB Compression

Input IP3

50% CTRL to 0.1 dB final value, 2 GHz

50% CTRL to 25 dB isolation, 2 GHz

200

mV_pp

dBm

2000 MHz

2000 MHz, 17 dBm

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.

Document No. 70-0071-03 │ www.psemi.com

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