Datasheet > ACD2206

ACD2206

更新时间： 2022-11-25 10:40:39

品牌	Logo	应用领域
ANADIGICS		电视有线电视
页数	文件大小	规格书
20页	459K
描述
CATV/TV/VIDEO DOWNCONVERTER WITH DUAL SYNTHESIZER

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ACD2206 数据手册

ACD2206

CATV/TV/Video Downconverter

with Dual Synthesizer

PRELIMINARY DATA SHEET - Rev 1.0

FEATURES

Integrated Downconverter

Integrated Dual Synthesizer

256 QAM Compatibility

Single +5 V Power Supply Operation

Low Noise Figure: 8 dB

High Conversion Gain: 31 dB

Low Distortion: -53 dBc

Three-Wire Interface

Small Size

-40 °C to +85 °C

APPLICATIONS

Set Top Boxes

CATV Video Tuners

Digital TV Tuners

CATV Data Tuners

Cable Modems

S8 Package

28 Pin SSOP

PRODUCT DESCRIPTION

supply voltage. The IC is well suited for applications

where small size, low cost, low auxiliary parts count,

and no-compromise performance is important. It

provides for cost reduction by lowering the

component and packaged IC count and decreasing

the amount of labor-intensive production alignment

steps, while significantly improving performance

and reliability.

The ACD2206 uses both GaAs and Si technology

to provide the downconverter and dual synthesizer

functions in a double conversion tuner gain block,

local oscillator, balanced mixer, IF Amplifier, and

dual synthesizer. The specifications meet the

requirements of CATV/TV/Video and Cable Modem

Data applications. The ACD2206 is supplied in a 28

lead SSOP package and requires a single +5 V

RF2

Phase

Detector

RF2

Charge

Pump

RF2: 64/65

Prescaler

18 Bit RF2

N Counter

RFD

CPD

IF^OUT-

15 Bit RF2

R Counter

RF^IN

RFIN

REFIN

Oscillator

IF^OUT+

REFOUT

Low Noise

VGA

15 Bit RF1

R Counter

Mixer

RF1

Phase

Detector

RF1

Charge

Pump

RF1: 64/65

Prescaler

18 Bit RF1

N Counter

RFU

CPU

Phase Splitter

CKT

OSCOUT

Clock

Data

Enable

22 Bit

Data Registar

Figure 1: Downconverter Block Diagram

Figure 2: Dual Synthesizer Block Diagram

10/2003

12 3 4 5 6 7...20

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