LMX25121065EVAL/NOPB National Semiconductor, LMX25121065EVAL/NOPB Datasheet - Page 2

• Manufacturer Part Number: LMX25121065EVAL/NOPB
• Description: EVALUATION BOARD FOR LMX25121065
• Manufacturer: National Semiconductor
• Series: PLLatinum™r

Specifications of LMX25121065EVAL/NOPB

• Main Purpose: Timing, Frequency Synthesizer
• Embedded: No
• Utilized Ic / Part: LMX2512
• Primary Attributes: Single Fractional-N and Integer-N PLL with VCO
• Secondary Attributes: 1.065GHz, CodeLoader Graphical User Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LMX25121065EVAL; *LMX25121065EVAL/NOPB; LMX25121065EVAL

Table of Contents
1
2
3
4
5
APPENDIX A: Evaluation Board – Schematic............................................................................... 13
APPENDIX B: Evaluation Board – Build Diagram......................................................................... 14
APPENDIX C: Evaluation Board – Bill of Materials....................................................................... 15
APPENDIX D: Evaluation Board – Board Layout.......................................................................... 18
APPENDIX E: CodeLoader Software Setup ................................................................................. 20
3.1
3.2
3.3
3.4
4.1
4.2
5.1
5.2
5.3
5.4
General Description.................................................................................................................. 1
Setup ........................................................................................................................................ 1
2.1.1
2.1.2
Measurement Considerations .................................................................................................. 2
Evaluation Board and CodeLoader Configuration ................................................................... 4
Typical Performance Measurements ....................................................................................... 6
Recommended Test Equipment ................................................................................ 1
Connection and Setup ............................................................................................... 1
Phase Noise Measurement ....................................................................................... 2
Loop Filter Bandwidth Measurement ......................................................................... 3
Reference Spur Measurement Using a Spectrum Analyzer...................................... 3
Lock Time Measurement Using a Modulation Domain Analyzer............................... 3
CodeLoader Control Settings .................................................................................... 4
IF PLL Loop Filter Parameters................................................................................... 6
Evaluation Conditions ................................................................................................ 6
Typical Performance Criteria ..................................................................................... 7
RF PLL Typical Performance Measurements............................................................ 7
IF PLL Typical Performance Measurements ........................................................... 11