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National Semiconductor LMX2531LQ1910E, Operating Instructions Manual

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National Semiconductor LMX2531LQ1910E Operating Instructions Manual Download Page 20

【

【

Important Notice for Users of this Product in Japan

】

】

This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan

If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:

1.

Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,

2.

Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or

3.

Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.

Texas Instruments Japan Limited

(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan

http://www.tij.co.jp

【ご使用にあたっての注】

本開発キットは技術基準適合証明を受けておりません。

本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。

1.

電波法施行規則第

6

条第

1

項第

1

号に基づく平成

18

年

3

月

28

日総務省告示第

173

号で定められた電波暗室等の試験設備でご使用いただく。

2.

実験局の免許を取得後ご使用いただく。

3.

技術基準適合証明を取得後ご使用いただく。

なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。

　　　上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。

日本テキサス・インスツルメンツ株式会社

東京都新宿区西新宿６丁目２４番１号

西新宿三井ビル

http://www.tij.co.jp

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Summary of Contents for LMX2531LQ1910E

Page 1: ...31LQ1910E Evaluation Board Operating Instructions National Semiconductor Corporation Wireless Communications RF Products Group 2900 Semiconductor Dr Santa Clara CA 95052 8090 LMX2531LQ1910EFPEB Rev 1 20 2006 ...

Page 2: ...ASE NOISE WITH NARROW LOOP FILTER INTERNAL DIVIDE BY 2 DISABLED 5 PHASE NOISE WITH NARROW LOOP FILTER INTERNAL DIVIDE BY 2 ENABLED 6 SPURS INTERNAL DIVIDE BY 2 DISABLED 7 SPURS INTERNAL DIVIDE BY 2 ENABLED 8 CODELOADER SETTINGS 9 SCHEMATIC 11 BILL OF MATERIALS 12 TOP LAYER 13 MID LAYER 1 GROUND PLANE 14 MID LAYER 2 POWER 15 BOTTOM LAYER SIGNAL 16 TOP BUILD DIAGRAM 17 2 ...

Page 3: ...port By means of MICROWIRETM serial port emulation the CodeLoader software included can be run on a PC to facilitate the LMX2531LQ1910E internal register programming for the evaluation and measurement In addition to this cable assembly there is a microwire buffer board that ensures that the proper voltage levels are provided to the microwire inputs and also this reduces digital noise from computer...

Page 4: ... 9 1 0 E E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S Phase Noise Output Frequency 1931 MHz Internal Divide by 2 Disabled DIV2 0 Output Frequency 965 5 MHz Internal Divide by 2 Enabled DIV2 1 4 ...

Page 5: ...p bandwidth was used with the E5052 spectrum analyzer This is the most accurate and state of the art equipment At lower offsets the measurements are more accurate because the impact of the PLL is removed At higher offsets the measurements are also more accurate because the E5052 spectrum analyzer has a much lower noise floor than the E4445A spectrum analyzer Even though the E4445A has a noise canc...

Page 6: ...p bandwidth was used with the E5052 spectrum analyzer This is the most accurate and state of the art equipment At lower offsets the measurements are more accurate because the impact of the PLL is removed At higher offsets the measurements are also more accurate because the E5052 spectrum analyzer has a much lower noise floor than the E4445A spectrum analyzer Even though the E4445A has a noise canc...

Page 7: ...ur at 200 kHz offset at a worst case frequency of 1830 2 MHz is 90 2 dBc Worst case channels occur at exactly one channel spacing above or below a multiple of the crystal frequency 10 MHz Spur at 200 kHz offset at a worst case frequency of 1910 2 MHz is 89 5 dBc Spur at 200 kHz offset at a worst case frequency of 2030 2 MHz is 88 1 dBc 7 ...

Page 8: ... this mode uses the divide by 2 mode the channel spacing here is actually 100 kHz The spur at 100 kHz could be eliminated by doubling the channel spacing before the divider The reason that the spur at 200 kHz is shown is to illustrate theoretical 6 dB impact of the divider Spur at 200 kHz offset for a frequency of 955 1 MHz is 93 0 dBc Spur at 200 kHz offset for a frequency of 1015 1 MHz is 93 0 d...

Page 9: ...he default reference oscillator used for these instructions was 10 MHz but there is a mode for a 61 44 MHz oscillator as well If the bits become scrambled their original state may be recalled by choosing the appropriate mode Note that if the internal divide by 2 is enabled the VCO frequency still reflects the VCO frequency before the divide by 2 9 ...

Page 10: ... in the correct way R5 INIT1 and R5 INIT 2 are just the R5 register being used to properly initialize the part So a single CNT L should load the part 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 autodetect the correct port On some laptops it may be LPT3 10 ...

Page 11: ... C1 R2 C12 C2 R3 C3 C17 R4 C9 C4 R5 C5 OSCin C13 C18 C20 R7 R23 R22 Ftest LD C15 C22 R1 R9 TRIGGE R GND 1 2 3 4 5 6 7 8 POWER C24 C14 C11 C19 C21 C23 Notethat AnyComponent w ithDesignator 100or HigherisontheBottomSideof theBoard C10 VccDIG 1 NC 2 GND 3 NC 4 NC 5 VregBUF 6 NC 7 DATA 8 CLK 9 LE 10 CE 11 NC 12 NC 13 NC 14 NC 15 VccVCO 16 Vr egVCO 17 Vr ef VCO 18 GND 19 GND 20 Fout 21 VccBUF 22 Vtune ...

Page 12: ... Panasonic P 22AHCT ND 603 10 0 1W Thick Film 0 22Ω R22 R23 12 2 Vishay CRCW06033R3JRT1 603 5 0 1W Thick Film 3 3Ω R1 R18 13 4 Vishay CRCW0603100JRT1 603 5 0 1W Thick Film 10Ω R2 R3 R4 R5 14 1 Vishay CRCW0603510JRT1 603 5 0 1W Thick Film 51Ω R6 15 4 Vishay CRCW0603103JRT1 603 5 0 1W Thick Film 10KΩ R9 R11 R13 R15 16 5 Vishay CRCW0603123JRT1 603 5 0 1W Thick Film 12KΩ R2pLF R10 R12 R14 R16 17 1 Vis...

Page 13: ...L M X 2 5 3 1 L Q 1 9 1 0 E E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S Top Layer 13 ...

Page 14: ...L M X 2 5 3 1 L Q 1 9 1 0 E E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S Mid Layer 1 Ground Plane 15 Mils Down FR4 14 ...

Page 15: ...L M X 2 5 3 1 L Q 1 9 1 0 E E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S Mid Layer 2 Power 15 ...

Page 16: ...L M X 2 5 3 1 L Q 1 9 1 0 E E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S Bottom Layer Signal Note Total Board Thickness 61 mils 16 ...

Page 17: ...L M X 2 5 3 1 L Q 1 9 1 0 E E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S 17 Top Build Diagram ...

Page 18: ...ency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required t...

Page 19: ... its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this l...

Page 20: ...er you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shi...

Page 21: ... property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads applied outside of the specified output range may result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Plea...

Page 22: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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