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ACD2203 Datasheet(PDF) 1 Page - ANADIGICS, Inc |
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ACD2203 Datasheet(HTML) 1 Page - ANADIGICS, Inc |
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1 / 24 page  12/2003 ACD2203 CATV/TV/Video Downconverter with Dual Synthesizer PRELIMINARY DATA SHEET - Rev 1.3 Figure 1: Downconverter Block Diagram FEATURES • Integrated Downconverter • Integrated Dual Synthesizer • 256 QAM Compatibility • Single +5 V Power Supply Operation • Low Power Consumption: <0.6 W • Low Noise Figure: 8 dB • High Conversion Gain: 10 dB • Low Distortion: -53 dBc • Two-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 The ACD2203 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 and dual synthesizer. The specifications meet the requirements of CATV/TV/Video and Cable Modem Data applications. The ACD2203 is supplied in a 28 lead SSOP package and requires a single +5 V supply voltage. The IC is well suited for applications 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. Figure 2: Dual Synthesizer Block Diagram RF2: 64/65 Prescaler 18 Bit RF2 N Counter RF2 Phase Detector RF2 Charge Pump RF1 Phase Detector RF1 Charge Pump 15 Bit RF2 R Counter 15 Bit RF1 R Counter 18 Bit RF1 N Counter RF1: 64/65 Prescaler Oscillator 24 Bit Data Register CPU CPD RFD REFIN REFOUT RFU Clock Data AS 2Bit A/D VIF+IFOUT+ OSC OUT TCKT RFIN+ Phase Splitter Low Noise VGA Mixer RFIN- VIF+IFOUT- |
Similar Part No. - ACD2203 |
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Similar Description - ACD2203 |
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