Texas Instruments TRF3762 EVM User Manual Download

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Appendix B Output Configuration Options

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Appendix B

Single/Differential

Output Configurations

Load

Pout

Single-ended

Differential 50-

Ω

shunt

Resistive

Single-ended

Differential 50-

Ω

shunt

Tuned (LC)

Differential

External balun

Resistive

Differential

External balun

Tuned (LC)

SLWU056 – June 2008

Output Configuration Options

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Summary of Contents for TRF3762 EVM

Page 1: ...is listed in Table 1 Table 1 Required Test Hardware Hardware Specifications Units Power supply 1 4 5 to 5 2 V Spectrum analyzer 1 0 to 6 Spurs GHz 160 resolution phase noise dBm Agilent s 5052 1 Low...

Page 2: ...e ended output approximately 0 dBm When converting to a differential output by removing the 50 resistor R32 in the differential path the output power should increase by 3 dB minus the balun losses Com...

Page 3: ...r either a folder with a date for a file name or the full folder of files In either case find the installer folder This is the folder containing the program and its support files Once found open the i...

Page 4: ...efore installing it Do this by clicking on the installer folder and dragging it to the PC Once the folder installer has been copied on the computer open it and find the LabVIEW runtime engine setup ex...

Page 5: ...ller folder and create a folder called accessHW Open the accessHW zip file This file contains the software to set up the port on the PC Extract all files in the zip folder to the folder you created ac...

Page 6: ...e port You are prompted for which object or library to use Select Microsoft Visual C 2x 4x and then click Next Follow the prompts Once the program is installed open it and you should see the following...

Page 7: ...are Setup This is the main control screen to use for programming the TRF3762 the frequency of interest is under the tab labeled Top Level App SLWU056 June 2008 TRF3762 EVM User s Guide 7 Submit Docume...

Page 8: ...more information see Appendix A Rbias is used for a calculation which is on the right side of the Main Control Screen in the window Icp Rbias The value of Rbias is set to the same value as R27 on the...

Page 9: ...re the variables in the equation Fout Fpfd A PB as discussed in the prescalar section of the controls See Appendix A Fout is the actual frequency out Fvco 1x is the undivided frequency out of the VCO...

Page 10: ...than one solution can often apply to a specific set of conditions the following is one means of achieving the desired result First select the appropriate R counter value Because a channel spacing of 2...

Page 11: ...utput Configurations Load Pout Single ended Differential 50 shunt Resistive 0 Single ended Differential 50 shunt Tuned LC 3 Differential External balun Resistive 3 Differential External balun Tuned LC...

Page 12: ...eater set at 200 C let the part heat up for 30 seconds Place the Hakko hot air nozzle A1130 this is a 0 44 mm diameter nozzle over the device With the temperature set at 343 C and the air flow set at...

Page 13: ...r to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the T...

Page 14: ...siness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wo...

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