
DVK90121
Development kit for the MLX90121 transceiver
User Manual
390129012102
Page 3 of 13
Development Kit
Rev 006
Apr-2009
1. Unpacking the system
The DVK90121 is delivered with all the components, documentations and software listed below.
Evaluation board EVB90121 with its specific antenna,
Universal development board,
RS232 and flat cables for PC and EVB90121 connections,
Disk set consisting of the UT121 software and associated documentations.
2. Connecting the system
When you start with the development kit DVK90121, please follow the procedure described below.
1) Connect the PCB antenna to the evaluation board EVB90121 using the SMA connector.
2) Connect the EVB90121 with its antenna to the universal evaluation board using the flat cable provided in
the box. Connect the flat cable in the PORTA connector of the universal development board (in the
middle of the three 10 pins connectors in line).
3) Connect the universal development board to the PC using the RS232 cable. The RS232 cable is fitted
into the DB9 connector of the universal development board and the other end is inserted into the COM
port of the PC (DB9 connector). The chosen COM port can be selected in the UT121 software.
4) Connect the Power Supply of the universal development board and EVB90121. Both Power Supplies are
required with a standard 2.1mm barrel connector and must be DC 6 to 9 Volts.
5) Switch on SW1 button on the universal development board.
Figure 2:
Connection of the DVK90121
Important Note:
The supply must be between 6 to 9 Volts DC. Higher voltage may damage permanently the
DVK90121 circuit.
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1
2
4
Universal development board
Evaluation board EVB90121
PCB antenna
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