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ACD2200S8 Datasheet

  • ACD2200S8

  • Analog IC

  • 12頁(yè)

  • ETC

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ACD2200S8
CATV/TV/Cable Modem Data
Downconverter With Dual Synthesizer
Advanced Product Information - Rev 1
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FEATURES
Integrated Downconverter
Integrated Dual Synthesizer
256 QAM Compatibility
Single +5V Power Supply Operation
Low Power Consumption
Low Noise Figure
High Conversion Gain
Low Distortion
Small Size
Low Cost
High Reliability
APPLICATIONS
CATV Data Tuner
Digital TV Tuners
Cable Modems
S8
28 Lead SSOP Package
Description
The ACD2200 uses both GaAs and Si technology to provide the downconverter and dual synthesizer functions
in a double conversion tuners gain block, local oscillator, balanced mixer and dual synthesizer. The
specifications meet the requirements of CATV, TV and Cable Modem Data applications.
The ACD2200 is supplied in a 28 lead SSOP package and requires a single +5V supply voltage. The IC is
well suited for situations where small size, low cost, low auxiliary parts count and a 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.
Functional Block Diagram
f
IN
RF2
RF2: 64/65
Prescaler
18 Bit RF2
N Counter
RF2
Phase
Detector
RF2
Charge
Pump
D
O
2
IF
1
+5V
RF
IN
Low Noise
VGA
IF
2
+5V
Mixer
OSC
IN
OSC
OUT
Oscillator
15 Bit RF1
R Counter
15 Bit RF2
R Counter
Phase Splitter
f
IN
RF1
RF1: 64/65
Prescaler
18 Bit RF1
N Counter
RF1
Phase
Detector
RF1
Charge
Pump
D
O
1
T
CKT
OSC
OUT
Clock
Data
Enable
22 Bit
Data Registar
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