Le79228
Data Sheet
Figure 20. VHL networks for POTS and IVD Applications with and without Metering
POTS with Metering
POTS no Metering
RHLa
40.2K
RHLa
40.2K
CHLb
RHLb
3.3nF
4.32K
RHLc
2.87K
RHLd
2.87K
RHLc
2.87K
RHLd
2.87K
SLIC
SLAC
VHLi
SLIC
SLAC
RSN
VHLi
RSN
CHLd
820nF
CHLd
820nF
VREF
VREF
VREF
VREF
IVD no Metering
IVD with metering
RHLa
27.4K
RHLa
100K
CHLb
4.7nF
RHLb
3.57K
RHLc
2.37K
RHLd
2.37K
RHLe
1.1K
RHLc
2.61K
RHLd
2.61K
SLIC
SLAC
SLIC
SLAC
VHLi
VHLi
RSN
RSN
CHLd
820nF
CHLe
10nF
CHLd
820nF
VREF
VREF
VREF
VREF
29
Zarlink Semiconductor Inc.