"CX24109-11Z,518" NXP Semiconductors, "CX24109-11Z,518" Datasheet

"CX24109-11Z,518"

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"CX24109-11Z,518"
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NXP Semiconductors
Datasheet

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Abstract
CX24109
Digital Satellite Tuner
Rev. 01 — 13 November 2008
Content
Product data sheet

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"CX24109-11Z,518" Summary of contents

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CX24109 Digital Satellite Tuner Rev. 01 — 13 November 2008 Document information Info Content Keywords Abstract Product data sheet ...

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... NXP Semiconductors Ordering information Type number CX24109-11 Digital Satellite Tuner CX24109-11Z Revision history Revision 01 20081113 Contact information For more information, please visit: For sales office addresses, please send an email to: CX24109_N_1 Product data sheet Description Date First NXP version based on the Conexant 102031A data sheet. ...

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... NXP Semiconductors General description The CX24109 is a highly integrated, direct down-conversion satellite tuner intended for high-volume digital video, audio, and data receivers. When combined with the CX24121 QPSK demodulator/FEC decoder, the chip set provides a complete broadband satellite front-end solution capable of operating from 1–45 MSps in the most demanding satellite environments ...

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... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 4 ...

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... NXP Semiconductors Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.1 Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.2 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3 Application Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.4 Signal Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.5 AGC and Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.6 Local Oscillator 1.7 Programming Interface 1.7.1 Gain Equations 1.7.2 Frequency Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1.7.3 Recommended Default Values Applications ...

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... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 6 ...

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... NXP Semiconductors Figures Fig. 1 CX24109 Pin Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Fig. 2 QPSK Demodulation Typical Application Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Fig. 3 Detailed Functional Block Diagram Fig. 4 Serial Interface Programming Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Fig. 5 Programming Word Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Fig. 6 Simplified Application Schematic (Page Fig. 7 Simplified Application Schematic (Page Fig. 8 Reflection Coefficient at Input of CX24109 Fig ...

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... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 8 ...

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... NXP Semiconductors Tables Table 1. Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 2. Power Supply and Ground Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 3. Programming Bit Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 4. Band Select Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 5. VGA Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 6. VCA Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Table 7. PLL Programming Table 8. Recommended AGC Programming Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Table 9. Recommended VCO Frequency vs. Charge Pump Current Table 10 ...

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... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Digital Satellite Tuner © NXP B.V. 2008. All rights reserved. 10 ...

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CX24109 Chapter 1: Functional Description Rev. 01 — 13 November 2008 1.1 Pinout Information Figure 1. CX24109 Pin Diagram VCC GND GND RFIN RFGND GND GND DCIP DCIN DCQP DCQN TUNERES 1.2 Pin Description Table 1. Pin Description Pin Name ...

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... NXP Semiconductors Table 1. Pin Description Pin Name Pin No. TUNERES 12 IOUTP, IOUTN 34, 35 QOUTP, QOUTN 31, 32 DCIP, DCIN 8, 9 DCQP, DCQN 10, 11 LPFILT 20 CLKREFOUT 24 XTAL1, XTAL2 16, 17 CLK DATA Table 2. Power Supply and Ground Pins Pin Name Pin No. VCC 1, 13, 18, 22, 29, 38, 40, ...

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... NXP Semiconductors network requires an antenna, a Low Noise Block (LNB) downconverter, a drop cable, and an STB. The LNB converts the satellite downlink frequency to an intermediate L-band frequency where it is passed to the STB via the drop cable. The STB front end consists of a tuner and a demodulator/FEC IC ...

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... NXP Semiconductors Figure 3. Detailed Functional Block Diagram VCA RFIN AGC AGC Control Crystal Cell XTAL1 XTAL2 Divide by 10, 20, 40 CLKREFOUT CLK Control DATA Interface EN CX24109_N_1 Product data sheet VGA1 90 Degree Splitter and Divide Phase Charge Detector Pump Voltage Controlled Oscillator 9 Bit ...

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... NXP Semiconductors The L-band output from the LNB enters the IC through the RFIN pin and is immediately amplified by the Voltage Controlled Attenuator block (VCA). The VCA functions as a variable gain LNA. The noise figure and gain of the VCA are the dominant factors for the tuner’s noise figure ...

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... NXP Semiconductors Figure 4. Serial Interface Programming Example Clock Data Enable The internal shift register in the CX24109 is 21 bits long. When the data is latched into the IC, the two MSBs act as control bits, and the lower 19 bits are the data bits as illustrated in Figure Figure 5 ...

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... NXP Semiconductors Table 3. Programming Bit Mapping (Sheet ÷R Divider Charge Current GENERAL NOTES means Reserved except for ÷R which means reference divider. P means Charge Pump Polarity V means VCO Divide Select FOOTNOTES: (1) These Reserved locations must be set to zero. All other Reserved location values do not matter. ...

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... NXP Semiconductors Table 4. Band Select Programming Bit 7 Bit 6 Bit 5 Bit Bit CX24109_N_1 Product data sheet Band Select Bit 3 Bit 2 Bit 1 Bit VCO Divide Select Rev. 01 — 13 November 2008 Chapter 1: Functional Description Typical Receive VCO Frequency Range Number (MHz) 950–1019 7 1019–1075 8 1075– ...

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... NXP Semiconductors Table 5. VGA Programming Bit 8 Bit 7 Bit 6 Bit Bit 17 Bit 16 Bit 15 Bit CX24109_N_1 Product data sheet VGA1 Offset Bit 4 Bit 3 Bit 2 Bit VGA2 Offset Bit 13 Bit 12 Bit 11 Bit Rev. 01 — 13 November 2008 Chapter 1: Functional Description Bit 0 Offset –27.0 0 –28.5 0 –30.0 0 – ...

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... NXP Semiconductors Table 6. VCA Programming Bit 8 Bit 7 Bit 6 Bit Bit 17 Bit 16 Bit 15 Bit CX24109_N_1 Product data sheet VCA Slope Bit 4 Bit 3 Bit 2 Bit VCA Offset Bit 13 Bit 12 Bit 11 Bit Rev. 01 — 13 November 2008 Chapter 1: Functional Description Bit 0 Slope in dB/V 1 47 ...

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... NXP Semiconductors Table 7. PLL Programming Bit 15 Bit Bit Bit 18 Bit 1.7.1 Gain Equations The RF block voltage gain ( where the maximum value of G VGA1 voltage gain G G VGA1 VGA2 voltage gain G G VGA2 The total baseband voltage gain G G Baseband CX24109_N_1 Product data sheet ...

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... NXP Semiconductors 1.7.2 Frequency Equations The VCO frequency is determined by F VCO = NOTE: Remember, the incoming receive frequency is always lower than the VCO frequency, such that: F Receive 1.7.3 Recommended Default Values Table 8. Recommended AGC Programming Values VCA and VGA Slope and Offset vs. Symbol Rate ...

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CX24109 Chapter 2: Applications Rev. 01 — 13 November 2008 2.1 AGC Input To prevent excessive current draw Figure 2.2 VCO Power Pin Ripple Requirement Care must be taken to reduce the power supply ripple on pin ...

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... NXP Semiconductors Figure 6. Simplified Application Schematic (Page C104 LNB_POWER 0 1 < FR-4 75 Ω 3 C101 FOOTNOTE: (1) Ground pins include 14, 15, 19, 21, 23, 30, 33, 39, 41, 43, 45, 46, and 48 CX24109_N_1 Product data sheet 5 V_RF C106 33 p C105 33 p C108 L103 33 p BEAD ...

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... NXP Semiconductors Figure 7. Simplified Application Schematic (Page C602 C535 0.047 uF 0.047 uF AGC FILTUNE I_OUT Q_OUT CLK R203 300 DATA C204 LE 0 C205 C206 R208 100 p 100 p 300 CLKREF C209 _OUT 0.1 u C861 0.01 µF FOOTNOTE: (1) Ground Pins include 10, 15, 26, 30, 34, 50, 52, 62, 70, and 71. ...

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... NXP Semiconductors 2.5 Typical Performance Curves Figure 8. Reflection Coefficient at Input of CX24109 Frequency (950.0 MHz to 2.200 GHz) CX24109_N_1 Product data sheet CX24109 S11 Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications m1 Freq = 950 MHz plot_vs(S(1,1), freq) = –0.19 + j0.21 Impedance = 31.629 + j14.373 m2 Freq = 1.20 GHz plot_vs(S(1,1), freq ...

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... NXP Semiconductors Figure 9. Baseband Filter Gain vs. Frequency and FILTUNE Voltage 10 0 –10 –20 –30 –40 –50 –60 –70 0 Figure 10. Filter –3 dB Bandwidth vs. FILTUNE Voltage CX24109_N_1 Product data sheet Frequency (MHz) 0.5 1 1.5 FILTUNE Voltage (V) Rev. 01 — 13 November 2008 Chapter 2: Applications FILTUNE = 0.5 V FILTUNE = 1 ...

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... NXP Semiconductors Figure 11. Gain and IIP3 vs. AGC Voltage at 950 MHz –5 –10 1 Figure 12. Gain and IIP3 vs. AGC Voltage at 2150 MHz –5 –10 1.2 CX24109_N_1 Product data sheet 1.5 2 2.5 AGC Voltage (V) 1.7 2.2 AGC Voltage (V) Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications ...

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... NXP Semiconductors Figure 13. Gain and NF vs. AGC Voltage at 950 MHz –5 1 1.1 1.2 Figure 14. Gain and NF vs. AGC Voltage at 2150 MHz –5 –10 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 CX24109_N_1 Product data sheet 1.3 1.4 1.5 1.6 1.7 1.8 1 ...

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... NXP Semiconductors CX24109_N_1 Product data sheet Rev. 01 — 13 November 2008 CX24109 Chapter 2: Applications © NXP B.V. 2008. All rights reserved. 30 ...

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CX24109 Chapter 3: Parametric Data and Specifications Rev. 01 — 13 November 2008 3.1 Electrical Specifications Table 11. Supply Voltage Input Voltage Range Storage Temperature Junction Temperature 3.1.1 Standard Operating Conditions All specifications are valid under the operating conditions indicated ...

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... NXP Semiconductors Table 13. DC Electrical Characteristics Parameter (1) Supply Current Usable AGC Voltage Range, V AGC Impedance of AGC Input AGC Current, I AGC Usable Filtune Voltage Range, V Filtune Impedance of Filtune Input Thermal Resistance of Package FOOTNOTES: (1) Using 15–45 MSps programming values (see (2) Using a 2-layer CX24109/CX24121 reference design, where the package’s exposed paddle is connected to the printed circuit board ground plane using thermal vias ...

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... NXP Semiconductors Figure 15. Serial Programming Example Clock Data Enable Table 15. RF Electrical Characteristics (Sheet Parameter Tuning Frequency Input Power, Single Tone (1) Aggregate Input Power (1)(2) Input Impedance, Balanced (1) Input VSWR (1) Iout and Qout Output Voltage Maximum Conversion (Voltage) Gain Minimum Conversion (Voltage) Gain ...

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... NXP Semiconductors Table 15. RF Electrical Characteristics (Sheet Parameter IIP3 (Out-of-band) (1) (4) IIP3 (Inband) I I/Q Phase Difference I/Q Amplitude Ratio LO Leakage 2LO-RF Rejection 2RF-LO Rejection CX24109_N_1 Product data sheet Chapter 3: Parametric Data and Specifications Conditions +(31 and 60) MHz, Pin = –42 dBm, 1–5 MSps gain coefficients (4) +(91 and 180) MHz, Pin = – ...

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... NXP Semiconductors Table 15. RF Electrical Characteristics (Sheet Parameter Reference Oscillator Phase Noise Spurious VCO Tuning Sensitivity LO Phase Noise at 950 MHz–1450 MHz LO Phase Noise at 1450 MHz–2150 MHz LO Phase Noise at 950 MHz–2150 MHz Local Oscillator Settling Time GENERAL NOTES: 1. Values in this table are valid under the operating conditions listed in stated ...

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... NXP Semiconductors Table 16. Baseband Frequency Response Parameter Minimum Cutoff Frequency Minimum Cutoff Frequency Tuning Voltage Transfer Function Passband Ripple Stopband Attenuation Stopband Attenuation 3.2 Mechanical Specifications Figure 16. 48-pin eTQFP Land Pattern 0.965 REF. 5.070 REF. PWB Exposed Pad 5.070 REF. 0.965 REF. ...

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... NXP Semiconductors Figure 17. 48-pin eTQFP Package Diagram Pin #1 Ref. Mark TOP VIEW SIDE VIEW DETAIL A CX24109_N_1 Product data sheet See Detail Rev. 01 — 13 November 2008 Chapter 3: Parametric Data and Specifications BOTTOM VIEW Millimeters Dimension Min Max Min A 1.20 MAX A 0.05 0.15 ...

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... NXP Semiconductors CX24109_N_1 Product data sheet Chapter 3: Parametric Data and Specifications Rev. 01 — 13 November 2008 CX24109 © NXP B.V. 2008. All rights reserved. 38 ...

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... Right to make changes — NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice ...

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... NXP Semiconductors 40 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2008. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com ...

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