ON Semiconductor AND9670/D Quick Start Manual page 12

RFID SHIELD BOARD TEMPERATURE MEASUREMENT
Measurement Setup:
•
RFID Shield Rev2.0 on IDK Baseboard
•
FLIR A655sc IR camera with software Flir ResearchIR Max
Emissivity = 0.95
♦
Refl. Temperature = 24 °C
♦
•
HP 34401A Multimeter for Power Supply Current Measurement
•
Keithly DC Power Supply to Baseboard
•
RFID Tags : 2x Temperature Tag(SPS2T001B) + 1x Moisture Tag(SPS1M002B)
•
RFID Operation Frequency: ETSI (860–880 MHz)
Table 2.
Measurement Condition
Supply Voltage
Average Supply Current
Peak Supply Current
Max Temp at PA
Max Temp at LDO
Max Temp at U10: MMIC Amplifier
Max Temp at U6: LDO
Max Temp at U7: LDO
Max Temp at L6.7: RF inductor
AND9670/D
12 V
295 mA
598 mA
55.8 °C
38.9 °C
44.3 °C
44.4 °C
45 °C
44.6 °C
Figure 14.
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12
Max RF Output Power