Quectel EC25

LTE Module Series
EC25 Reference Design
EC25_Reference_Design Confidential / Released 2 / 4
About the Document
History
Revision
Date
Author
Description
A
2016-04-01
Winter CHEN
Initial
B
2016-08-22
Yeoman CHEN
1. Added ADC interface design in Sheet 1.
2. Added power supply for codec in Sheet 3.
3. Added note for UART Translator (Transistor
Solution) in Sheet 4.
4. Changed some DGND to AGND in audio
design in Sheet 5.
C
2016-10-14
Eden LIU
Added the reference design of SGMII and FC20
module
D
2016-11-11
Power JIN
1. Modified the connection of network name
PCM_IN_BT and PCM_OUT_BT in Sheet 1
2. Added note 7 in Sheet 7
3. Added note 6 in Sheet 9
Quectel
Confidential