Texas Instruments AFE7070, Руководство пользователя

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TSW1400 AFE7070 EVM
5-V Adapter 6-V Adapter
J12
J9
PC
USB USB
J5
CMOS
Connector
Board
J8
J5
J7
Spectrum
Analyzer
J10
J3
RF Signal
Generator
J1
J7
Clock
Generator
J4
Basic Test Procedure
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3 Basic Test Procedure
This section outlines the basic procedure for testing the EVM.
3.1 Test Block Diagram
Figure 5 displays the test setup for general testing of the AFE7070 with the TSW1400 pattern generation
card.
Figure 5. Test Setup Block Diagram
3.2 Test Setup Connections
• Connect the AFE7071 EVM to the computer via USB cable.
• Connect 6-V adapter to J9.
• Launch the AFE7071EVM GUI and click Reset USB Port .
NOTE: Always connect the AFE7071 EVM and click Reset USB Port before connecting the
TSW1400, otherwise, you will not be able to connect with the AFE7071 EVM board.
• Connect the signal generator to theJ4 connector (EXT VCXO) on the AFE7071 EVM. Set the
frequency of the signal generator to 130 MHz and amplitude to 0 dBm.
• Connect LO signal from the second signal generator to the J10 connector (LO IN). Set the frequency of
the signal generator to 2.1 GHz and amplitude to 5 dBm.
• Connect J3 (RFOUT) to the spectrum analyzer.
• Connect the TSW1400 to the computer via USB cable.
• Connect the J1 (CMOS_INTERFACE) connector on the TSW1400 to AFE7071 EVM’s J8 connector.
Make sure pin 1 of the J1 connector is aligned with pin 1 on the J8 connector before connecting.
• Connect the J7 (CMOS_CLK) on TSW1400 to J5 (CDC OUT) connector on AFE7071 EVM.
• Connect 5-V adapter to J12 on TSW1400.
• Turn the switch (SW7) to the On position.
8 AFE707xEVM Evaluation Module SLOU337A – March 2012 – Revised July 2015
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