USER GUIDE
Ɩ
EM8500 SERIES
Copyright
2016, EM Microelectronic-Marin SA
EMDVK8500-MN01, Version 2.0, 5-Jul-16
25
420005-A01, 3.0
8.4
CONNECTIONS FOR EXTERNAL HRV MEASUREMENTS
8.4.1
Oscilloscope measurements
EM8500
LX1
VDD_HRV
CN102
CN103
R101
V
D
C
H
R
V
V
SHHRV
IDC
HRV
HRV
i(t)
HRV
V(t)
HRV
HRV DC measure
HRV AC measure
Figure 8-4: HRV measurements variant EM8500
EM8502
VDD_SOL
CN102
CN103
R101
V
D
C
H
R
V
V
SHHRV
IDC
HRV
HRV
i(t)
HRV
V(t)
HRV
HRV DC measure
HRV AC measure
R106
Figure 8-5: HRV measurements variant EM8502
In the DC domain the following measures can be performed:
(No jumper on CN102)
Ɩ
IDC
HRV =
V
SHHRV
/ R101
Ɩ
VDC
HRV
In the AC domain the following measures can be performed:
(No jumper on CN103)
Ɩ
I(t)
HRV =
V(t)
HRV
/ R106
8.4.2
Power analyzer
Dedicated lab equipment (power analyser) can also be used to measure and analyse current flow, power,
power efficiency etc … Its connections depend on the lab equipment. Refer to the equipment
manufacturer’s user manual for proper connections.