Datasheet > 4240-01

4240-01

更新时间： 2024-11-09 07:48:03

品牌	Logo	应用领域
PSEMI		开关有线电视
页数	文件大小	规格书
8页	267K
描述
SPST UltraCMOS? CATV Switch DC - 1300 MHz

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4240-01 数据手册

Product Specification

PE4240

SPST UltraCMOS™ CATV Switch

DC - 1300 MHz

Product Description

The PE4240 is a high-isolation MOSFET Switch designed for

CATV applications, covering a broad frequency range from

DC up to 1.3 GHz. This single-supply SPST switch offers a

single-pin CMOS control interface with industry leading CTB

performance. It also provides low insertion loss, high isolation

and extremely low bias requirements while operating on a

single 3-volt supply. In a typical CATV application, the

PE4240 provides for a cost effective and manufacturable

solution vs. mechanical relays.

Features

• 75-ohm switch

• Non-reflective at RF1, open reflective

at RF2 when OFF

• Integrated 0.25 watt terminations

• CTB performance of 100dBc

• High isolation: 85 dB at 5 MHz, 47 dB

at 1 GHz

• Low insertion loss: 0.5 dB at 5 MHz,

The PE4240 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.

0.75 dB at 1 GHz

• High input IP2: >80 dBm

• CMOS/TTL single-pin control

• Single +3 volt supply operation

Figure 1. Functional Diagram

Figure 2. Package Type

6-lead DFN

RF1

RF2

CMOS

Control

Driver

CTRL

Table 1. Electrical Specifications @ +25 °C (Z_S= Z_L= 75 Ω)

Parameter

Operating Frequency¹

Operating Power

Condition

Minimum

Typical

Maximum

1300

Units

MHz

On / Off

30/24

dBm

DC – 50 MHz

1000 MHz

0.5

0.65

1.0

Insertion Loss

Isolation

0.75

DC – 50 MHz

1000 MHz

Return Loss

DC - 1000 MHz

1000 MHz

Input 1 dB Compression^2,4

Input IP2²

dBm

1000 MHz

77 & 110 channels;

PO = 44 dBmV

CTB / CSO

-100

dBc

Input IP3²

Video Feedthrough³

1000 MHz

dBm

mV_pp

µs

Switching Time

Notes: 1. Device linearity will begin to degrade below 1 MHz.

2. Measured in a 50 Ω system.

3. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.

4. Note Absolute Maximum ratings in Table 3.

Document No. 70-0067-03 │ www.psemi.com

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