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FCC Interference Statement for Class B EVM devices

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for help.

3.2

Canada

3.2.1

For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210

Concerning EVMs Including Radio Transmitters:

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.

Concernant les EVMs avec appareils radio:

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

Concerning EVMs Including Detachable Antennas:

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)
gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type
and 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 list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited
for use with this device.

Concernant les EVMs avec antennes détachables

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et
d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage
radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope
rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le
présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le
manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne
non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de
l'émetteur

3.3

Japan

3.3.1

Notice for EVMs delivered in Japan:

Please see

http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page

日本国内に

輸入される評価用キット、ボードについては、次のところをご覧ください。

http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page

3.3.2

Notice for Users of EVMs Considered “Radio Frequency Products” in Japan:

EVMs entering Japan are NOT certified by

TI as conforming to Technical Regulations of Radio Law of Japan.

If User uses EVMs in Japan, User is required by Radio Law of Japan to follow the instructions below with respect to EVMs:

1.

Use EVMs 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 EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or

3.

Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan
with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.

SPACER

SPACER

SPACER

SPACER

SPACER

Содержание LMX2492

Страница 1: ...LMX2492 Evaluation Instructions Ultra Low Noise Frequency Synthesizer with Integrated VCO Evaluation Board Operating Instructions User s Guide Literature Number SNAU160C March 2014 Revised November 2014 ...

Страница 2: ...ngs 6 2 2 1 Port Setup 6 2 2 2 Device Selection 7 2 2 3 Bits Pins Tab and Restoring the Default Configuration 8 2 2 4 Registers Tab 9 2 2 5 PLL Frequency Tab 10 2 2 6 Ramp Generator Tab 11 3 Schematic 12 4 Board Layers Stackup 13 5 Bill of Materials 14 6 Typical Performance Measurements 16 6 1 PLL Phase Noise 16 6 2 Ramping Example 19 Revision History 20 2 Contents SNAU160C March 2014 Revised Nove...

Страница 3: ...h 2014 Revised November 2014 Evaluation Board Operating Instructions 3 SNAU160C March 2014 Revised November 2014 Evaluation Board Operating Instructions Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 4: ...ult but can be configured if necessary 1 1 2 VCC 5V The board operates on 5V and regulates this down to 3 3 V for the PLL The board can be configured to operate wit separate 1 1 3 VCC 3P3V This is actually supplied from the regular off the 5V supply but can also be run from a 3 3 V supply if the regulator is disconnected and a few resistors are changed 1 1 4 USB2ANY Connector Connect the board to ...

Страница 5: ...CO Frequency 9 4 10 1 GHz VCO Gain MHz V 200 MHz V C1_LF 68 pF C2_LF 3 9 nF C3_LF 150 pF C4_LF Open R2 390 Ω R3_LF 150 Ω R4_LF 0 Ω Charge Pump Gain 3 1 mA Phase Detector Frequency 100 MHz OSCin Frequency 100 MHz 5 SNAU160C March 2014 Revised November 2014 Evaluation Board Configuration Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 6: ...oard it is recommended to click the Identify button and ensure the LED light is blinking to ensure that this is working correctly Note that position 3 is MUXout which can be used for readback In order to do this the MUXout pin needs to be programmed to Readback and also resistor R68 needs to be placed Figure 2 1 LMX2492 Port Setup 6 Evaluation Board Configuration SNAU160C March 2014 Revised Novemb...

Страница 7: ...2 2 2 Device Selection Go to Select Device PLL Fractional LMX2492 Figure 2 2 Part Selection 7 SNAU160C March 2014 Revised November 2014 Evaluation Board Configuration Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 8: ...ar at the bottom One can right mouse click on any field for a short description of what it does To restore the part to the original software configuration on can select the default mode as shown Figure 2 3 Restoring Default Mode 8 Evaluation Board Configuration SNAU160C March 2014 Revised November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 9: ...stor R68 to connect this pin back to the programming header Once this is done entire registers can be read or a specific field can be typed in to read the value Realize that some fields of the LMX2492 are read only and therefore might not be the same as written to Figure 2 4 Registers Tab 9 SNAU160C March 2014 Revised November 2014 Evaluation Board Configuration Submit Documentation Feedback Copyr...

Страница 10: ...2 2 5 PLL Frequency Tab Verify your PLL Tab looks like below Figure 2 5 PLL Frequency Tab 10 Evaluation Board Configuration SNAU160C March 2014 Revised November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 11: ...e 2 6 Enabling the Flex Scripts for the Ramp Generator GUI Then Click on Update All and wait until you see your screen populate to below Notes for Ramp Calculator tab Manually change the OSCin Frequency in the Ramp Calculator tab when you change the value in the PLL tab Click Update All whenever you change values in the frequency section Only modify values in Yellow regions Click and unclick RST t...

Страница 12: ...4 Schematic Refer to Chapter 5 for actual component values Also realize that not all components are placed on this board 12 Schematic SNAU160C March 2014 Revised November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 13: ...board shall include Blue is dielectrics Top layer for high priority high frequency signals GTL 1 oz CU RO4003 Dielectric 16 mils Ground plane GP1 FR4 18 mils thick Power plane VccCLK GP2 FR4 22 mils Bottom layer copper clad for thermal relief GBL Table 4 1 Top to Bottom Layer Order LMX2492 GTL 1 Top Layer LMX2492 GP1 2 GND Plane LMX2492 G1 3 Power LMX2492 GBL 4 Bottom Layer Figure 4 1 Board Layers...

Страница 14: ...m 12 Y MuRata BLM18SG121TN1D 8 L5p L6 L7 L8 100MHz SMD OSCin RFout Connector SMT End launch 13 Y Emerson 142 0701 851 4 RFout 2 Vcc_5V SMA 50 ohm RES 51 ohm 5 0 063W 14 R1 Y Vishay Dale CRCW040251R0JNED 1 0402 RES 18 ohm 5 0 063W 15 R2 R6 R7 Y Vishay Dale CRCW040218R0JNED 3 0402 16 R2_LF RES 390 ohm 5 0 1W 0603 Y Vishay Dale CRCW0603390RJNEA 1 RES 68 ohm 5 0 063W 17 R3 Y Vishay Dale CRCW040268R0JN...

Страница 15: ...tional N PLL with 28 U1 Y Texas Instruments LMX2492QRTW 1 Ramp Chirp Generation RTW0024A 29 U2 VCO 9 8 11 3GHz SMD Y RF Micro Devices RFVC1843 1 Ultra Low Noise 150mA Linear Regulator for RF Analog Circuits 30 U6 N Texas Instruments LP5900SD 3 3 1 Requires No Bypass Capacitor 6 pin LLP 31 uWire Connector FCI 52601 G10 8LF 1 OSC 100 0000MHZ 3 3V 32 Y2 Y Connor Winfield CWX813 100 0M 1 25PPM SMD 15 ...

Страница 16: ... Phase Noise in Default Mode The above figure shows the phase noise in default for mode Note that this is the VCO frequency as it was observed on the Fout 2 output 16 Typical Performance Measurements SNAU160C March 2014 Revised November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 17: ... 100 MHz phase detector frequency At about 260 kHz the phase noise is 113 1 dBc Hz which is actually being degraded by 0 5 dB by the 1 f noise This implies a figure of merit of 227 2 dBc Hz 17 SNAU160C March 2014 Revised November 2014 Typical Performance Measurements Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 18: ...Tuning Voltage The phase noise of the LMX2492 does vary somewhat with tuning voltage with the best performance typically near lower tuning voltages Table 6 1 Phase Noise FVCO Vtune 9000 0 04 9100 0 18 9200 0 338 9300 0 518 9400 0 726 9500 0 973 9600 1 26 9700 1 602 9800 2 014 9900 2 483 10000 3 01 10100 3 562 10200 4 158 10300 4 792 18 Typical Performance Measurements SNAU160C March 2014 Revised N...

Страница 19: ... generate the waveform shown later in this document Figure 6 4 Setup for Ramping Example Figure 6 5 Generated Waveform at VCO 2 Output 19 SNAU160C March 2014 Revised November 2014 Typical Performance Measurements Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 20: ...m B Revision October 2014 to C Revision Page Changed Updated Schematic Again due to curruption Now using a GIF format 12 20 Revision History SNAU160C March 2014 Revised November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 21: ...ring the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Страница 22: ...io 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 list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes d...

Страница 23: ... any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sense...

Страница 24: ...F REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Страница 25: ...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...

Страница 26: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments LMX2492EVM ...

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