LMX25313010EVAL National Semiconductor, LMX25313010EVAL Datasheet

BOARD EVAL FOR LMX25131LQ 3010

LMX25313010EVAL

Manufacturer Part Number
LMX25313010EVAL
Description
BOARD EVAL FOR LMX25131LQ 3010
Manufacturer
National Semiconductor
Series
PowerWise®r

Specifications of LMX25313010EVAL

Main Purpose
Timing, Frequency Synthesizer
Embedded
No
Utilized Ic / Part
LMX2531LQ3010
Primary Attributes
Low Band 1455 - 1566 MHz, High Band 2910 - 3132 MHz
Secondary Attributes
2.8 V ~ 3.2 V Supply
Silicon Manufacturer
National
Silicon Core Number
LMX2531
Kit Application Type
Clock & Timing
Application Sub Type
Frequency Synthesizer
Kit Contents
Board, Cable, CD
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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

Related parts for LMX25313010EVAL

LMX25313010EVAL Summary of contents

Page 1

... 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 ...

Page 2

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 ...

Page 4

Troubleshooting Software does not communicate with the evaluation boards LPT or USB Mode • Ensure a valid signal is presented to the OSCin connector ...

Page 5

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 ...

Page 6

Phase Noise ...

Page 7

Free-Running VCO Phase Noise (Internal Divide by 2 Disabled ...

Page 8

Free-Running VCO Phase Noise (Internal Divide by 2 Enabled ...

Page 9

Fractional Spurs (Internal Divide by 2 Disabled ...

Page 10

Fractional Spurs (Internal Divide by 2 Enabled ...

Page 11

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 ...

Page 14

In-band Factional Spurs Integer Spurs (Internal Divide by 2 Enabled ...

Page 15

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. ...

Page 16

CodeLoader Settings CodeLoader runs many devices. necessary to select the correct device ...

Page 17

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 ...

Page 18

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. ...

Page 19

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. ...

Page 20

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 ...

Page 21

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 ...

Page 22

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 ...

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