LMX25313010EVAL National Semiconductor, LMX25313010EVAL Datasheet
LMX25313010EVAL
Specifications of LMX25313010EVAL
Related parts for LMX25313010EVAL
LMX25313010EVAL Summary of contents
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... LMX2531LQ3010E Evaluation Board Operating Instructions National Semiconductor Corporation Timing Devices Business Group 10333 North Meridian Suite 400 Indianapolis, IN 46290 LMX25313010EVAL Instructions Rev 6.24.2009 ...
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Table of Contents Table of Contents ................................................................................................................ 2 Loop Filter .......................................................................................................................... 3 Quick Setup ......................................................................................................................... 3 Troubleshooting .................................................................................................................. 4 S OFTWARE DOES NOT COMMUNICATE WITH THE ...
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Loop Filter Loop Bandwidth 13.8 kHz Phase Margin 54.5 ° Crystal Frequency 10 MHz Supply Voltage 3.0 Volts Quick Setup • Install the CodeLoader software which ...
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Troubleshooting Software does not communicate with the evaluation boards LPT or USB Mode • Ensure a valid signal is presented to the OSCin connector ...
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Far-out Phase noise is worse than evaluation board instructions • Ensure the measurement equipment noise floor is not limiting the measurement. spectrum analyzers, the noise floor ...
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Phase Noise ...
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Free-Running VCO Phase Noise (Internal Divide by 2 Disabled ...
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Free-Running VCO Phase Noise (Internal Divide by 2 Enabled ...
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Fractional Spurs (Internal Divide by 2 Disabled ...
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Fractional Spurs (Internal Divide by 2 Enabled ...
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Integer Spurs (Internal Divide by 2 Disabled ...
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Integer Spurs (Internal Divide by 2 Enabled ...
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In-band Factional Spurs Integer Spurs (Internal Divide by 2 Disabled ...
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In-band Factional Spurs Integer Spurs (Internal Divide by 2 Enabled ...
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Inter-modulation Spurs The LMX2531 features an output divider which may divide the VCO frequency by two. The result is an Fout frequency half the VCO frequency. ...
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CodeLoader Settings CodeLoader runs many devices. necessary to select the correct device ...
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There can be different modes defined for a particular part. A mode can be recalled easily from the menu. This restores bit settings and frequencies, but ...
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The Bits/Pins tab displays many of the bits used to program the part. Right mouse click any bit to view more information about what this does. ...
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The PLL/VCO tab shows all the important PLL controls. Reference Oscillator should be programmed to the reference frequency connected to the OSCin of the evaluation board. ...
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The Registers tab shows the literal bits that are being sent to the part. These are the registers every time the PLL is loaded by using ...
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The port setup tells CodeLoader what information goes where. If this is wrong, the part will not program. Although LPT1 is usually correct, CodeLoader does NOT ...
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Schematic POWER 1 3 Vcc Vcc C1 R14 R16 R15 TRIGGER GND FRA ...
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Bill of Materials Bill of Materials Item QTY Manufacturer Part # ...
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Top Layer ...
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Mid Layer 1 "Ground Plane" ...
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Mid Layer 2 "Power" ...
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Bottom Layer "Signal" ...
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Top Build Diagram ...