LTE-A Module Series
EG06 Hardware Design
EG06_Hardware_Design 48 / 89
The module provides 1.8V UART interface. A level translator should be used if the application is equipped
with a 3.3V UART interface. A level translator TXS0108EPWR provided by Texas Instruments is
recommended. The following figure shows a reference design.
Figure 21: Reference Circuit with Translator Chip
Please visit http://www.ti.com for more information.
Another example with transistor translation circuit is shown as below. The circuit design of dotted line
section can refer to the design of solid line section, in terms of both module input and output circuit
designs, but please pay attention to the direction of connection.
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