Cinterion
®
ELS31-VA/ELS51-VA Hardware Interface Description
3.7 Blocking against RF on Interface Lines
76
ELS31-VA_ELS51-VA_HID_v01.000
2017-01-04
Confidential / Preliminary
Page 75 of 106
BATT_RF
x
Measures required if BATT+
RF
is close to internal
LTE antenna -
e.g., 39pF blocking capacitor to ground
BATT_BB
x
SDIOCMD
x
x
x
SDIOCLK
x
x
x
SDIO0
x
x
x
SDIO1
x
x
x
SDIO2
x
x
x
SDIO3
x
x
x
HSIC_DATA
x
x
x
HSIC_STRB
x
x
x
Table 21:
EMI measures on the application interface
Signal name
EMI measures
Remark
A
B
C