UMTS/HSPA Module Series
UG95 Hardware Design
UG95_Hardware_Design Confidential / Released 2 / 72
About the Document
History
Revision Date
Author
Description
1.0
2014-06-20
Yeoman CHEN
Initial
1.1
2014-08-21
Yeoman CHEN
1. Updated transmitting power information.
2. Added reference design for power supply in
Chapter 3.6.3.
3. Updated timing of turning on module in Figure 9.
4. Added definition for the backup capacitor value
in Chapter 3.9.
5. Added reference design of 5V level match circuit
in Figure 18.
6. Updated RS232 level match circuit in Figure 19.
7. Updated frequency range in Table 23.
8. Updated reference circuit of USB interface in
Figure 24.
9. Added diagram for USB upgrade test points.
10. Updated RF output power in Table 28.
11. Updated recommended footprint in Figure 36.
1.2
2014-11-18
Yeoman CHEN
1. Modified VBAT input low voltage to 3.3V.
2. Modified preconditions of entering into the sleep
mode in Chapter 3.5.1.
3. Updated Chapter 3.7.2.
4. Deleted Chapter 3.11.2.
5. Updated antenna requirements in Table 21.
6. Updated recommended footprint in Figure 35.
7. Updated packaging information in Chapter 7.3.
1.3
2015-03-25
Yeoman CHEN/
Jackie WANG
1. Updated Figure 4 & 5.
2. Updated Chapter 3.13.
3. Opened PIN25 CLK_OUT.
4. Added recommended stencil in Chapter 6.2.
Quectel
Confidential