Texas Instruments TRF3705, Руководство пользователя

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E4438C
TRF3705
I+
I-
Q+
Q-
LO
V _MOD
CC
Spectrum
Analyzer
Power Supply
J4
J3
J1
J5
J6
J7
V _LO
CC
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TRF3705 EVM Test Configuration
2 TRF3705 EVM Test Configuration
2.1 Test Block Diagram
Figure 2 shows the test setup for general testing of the TRF3705.
Figure 2. Test Setup Block Diagram
2.2 Test Equipment
The following equipment is required for completing RF Testing:
• Power supply with current readout — Agilent E3631 or equivalent
• Signal generator for LO input signal — Agilent E4438C or equivalent
•
Arbitrary waveform generator
—
Agilent E4438C or equivalent
• Spectrum analyzer — Agilent E4440A or equivalent
2.3 Calibration
The RF cables must be good quality RF cables due to the high-frequency signals.
• Measure the insertion loss of the RF output cable, and use this value to compensate for the measured
output power.
• Measure the insertion loss of the LO input cable, and use this value to compensate for the desired LO
power.
3 SLWU073 – October 2011 TRF3705EVM Evaluation Module
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