Datasheet > ACA1240P8

ACA1240P8

更新时间： 2024-09-24 01:22:31

品牌	Logo	应用领域
思佳讯 - SKYWORKS		高功率电源射频微波有线电视
页数	文件大小	规格书
14页	998K
描述
CATV Infrastructure Amplifier 1.2 GHz CCAP/Edge QAM/CMTS Driver

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ACA1240P8 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.84	射频/微波设备类型：	WIDE BAND HIGH POWER
Base Number Matches：	1

ACA1240P8 数据手册

DATA SHEET

ACA1240: CATV Infrastructure Amplifier 1.2 GHz

CCAP/Edge QAM/CMTS Driver

Applications

 CATV head-end CCAP/EQAM/CMTS modulators

 MDU output device

Features

 35 dB gain

 Meets DRFI specification +5 dB margin

 High-linearity, high-gain integrated amplifier with an adjustable

linear attenuator

 Balanced inputs and outputs matched for a 75 Ω system

 0 to 20 dB continuously adjustable attenuation using an external

analog control signal

 Single 12 V supply with 6 W power consumption

 High-linearity GaAs process

Description

 Unconditional stability (K factor > 1)

TheACA1240isaGaAsbasedamplifierthatcontains highly linear

amplification and attenuation stages for use in CATV

CCAP/EQAM/CMTS modulators and networks. It incorporates a

continuously adjustable linear attenuator that is controlled by an

external analog voltage. This glitch-free attenuator provides a

minimum of 20 dB of continuously variable attenuation and is

precededbyahigh-linearitypre-amplifierandfollowed by a

high-gain output driver. Both input and output are matched to 75 Ω

using balun transformers.

Skyworks Green^TMproducts are compliant with

all applicable legislation and are halogen-free.

For additional information, refer to Skyworks

Deﬁnition of Green^TM, document number

SQ04–0074.

TheACA1240 operates from a single 12 V supply and is offered in

an 11mm x 11mm surface-mount package.

A block diagram of the ACA1240 is shown in Figure 1. The device

package and pinout are shown in Figure 2. Signal pin

assignments and functional pin descriptions are described in

Table 1.

Gain

12 V

Control

+12 V

RF IN +

Preamp

RF IN –

RF OUT +

Output Driver

RF OUT –

Attenuator

204580-001

Figure 1. ACA1240 Block Diagram

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

204580G • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • December 13, 2018

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