User's Manual

PHS8-US Hardware Interface Overview
7 Sample Application
36
PHS8-US_HIO_v01.000 Page 36 of 40 2012-01-06
Confidential / Released
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Figure 10: PHS8-US sample application
47k
100k
VCC µC
47k
EMERG_RST
PWR_IND
CCCLK
CCRST
CCIN
CCVCC
220nF
AGND
EPP
BC847
BC847
1nF
PHS8
ApplicationSample
2
2
2
2
8
Level
Controller
8
VEXT (1.8V)
1µF
1µF
V
CCB
V
CCA
VCC µC
VDD
(1.8V)
100µF
...220µF
ultra low ESR
ANT_DRX
ANT_GSM
ANT_GPS
Current
limiter
<60mA
VGPS
OE