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L M X 2 3 2 4 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

LMX2324

March 5, 1999

LMX2324 Performance Measurement Result – A Typical Example

Reference spurs

Fvco = 1930 MHz Fvco = 1960MHz

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Fvco = 1990 MHz

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Содержание LMX2324

Страница 1: ...ction A cable assembly is bundled with the evaluation board for connecting to PC through the parallel printer port By means of uWire serial port emulation the Code Loader software included can be run...

Страница 2: ...arallel port of the PC Connect the other end of the cable to the on board 3x2 pin header Reder to the Data Calbe Configuration Section of the Application Information Code Loader Operation for pin 1 po...

Страница 3: ...hed to and from The VCO operating frequency range can be obtained in Appendix D Enter Burst Mode menu of Code Loader software to create a macro to program the LMX2324 to the maximum and minimum freque...

Страница 4: ...4 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 LMX2324 4 March 5 1999 LMX2324 Performance Measurement Result A Typical Example Reference spurs Fvco 1930 MHz Fvco 1960MHz Fv...

Страница 5: ...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 LMX2324 5 March 5 1999 LMX2324 Performance Measurement Result A Typical Example continued Phase Noise measured at 150Hz offset Fvco 1960 MHz...

Страница 6: ...3 2 4 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 LMX2324 6 March 5 1999 Lock Time Measurement Result Positive Frequency Switching Waveform Positive Lock Time to within 1 k...

Страница 7: ...2 4 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 LMX2324 7 March 5 1999 Lock Time Measurement Result Cont Negative Frequency Switching Waveform Negative Lock Time to within...

Страница 8: ...Typical Performance Criteria VCO Phase Noise Less than 70 dBc Hz 150Hz VCO Reference Spur Less than 60 dBc 200kHz VCO Lock Time Less than 500 us within 1kHz settling frequency Remark Computer monitor...

Страница 9: ...C6 100pF C8 0 1uF 1 2 3 4 JP1 HEADER 2X2 1 Vcc C5 0 01uF C7 100pF C9 0 1uF 1 Vp C10 0 01uF 1 Ref In 1 RF Out Vcc 1 Vp 2 CPo 3 GND 4 NC 7 fin_bar 5 fin 6 NC 8 OSCin 9 NC 10 NC 11 Clock 12 Data 13 LE 1...

Страница 10: ...fin_bar 4 fin 5 NC 6 NC 7 OSCin 8 NC 9 Clock 10 Data 11 LE 12 NC 13 NC 14 CE 15 Vcc 16 U1 LMX2324CSP C6 0 01uF 1 2 3 4 JP1 HEADER 2X2 R1 18 R4 18 C9 0 01uF C10 100pF C11 0 1uF C12 0 1uF C13 100pF 1 Vp...

Страница 11: ...L M X 2 3 2 4 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 LMX2324 11 March 5 1999 Appendix B LMX2324 Evaluation Board Layout TSSOP BOARD...

Страница 12: ......

Страница 13: ...R E V C 7 2 8 9 8 LMX2324 March 5 1999 CSP BOARD...

Страница 14: ......

Страница 15: ...ftware The LMX2324 Evaluation board is designed so that port setup is required to be configured as follows except for the Port Address The Port Address should be selected according to the user PC para...

Страница 16: ...menu or enter Ctrl L Ref In TCXO or reference crystal oscillator input NSC s normal LMX2324 evaluation board is designed for a 10 MHz TCXO The user is advised to use a high quality crystal reference f...

Страница 17: ...has only one charge pump mode Auto Reload Every XX sec Time interval the program reloads all the counters The user enables the reload function by selecting Options Auto Reload from the pull down menu...

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Содержание LMX2324

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