SI2107 SILABS [Silicon Laboratories], SI2107 Datasheet - Page 71
SI2107
Manufacturer Part Number
SI2107
Description
SATELLITE RECEIVER FOR DVB-S/DSS
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI2107.pdf
(80 pages)
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Register CBh. LNB Supply Control 1 (Si2108 and Si2110 only)
Name
Bit
7:4
3:0
Bit
D7
VHIGH[3:0]
VLOW[3:0]
Name
D6
VLOW[3:0]
D5
LNB Supply Low Voltage
Low voltage = Vlow_nom + VLOW[3:0] x 0.0625V + Vboost, where
Vlow_nom is determined by the LNBLVL(CEh[1]) register bit, and
Vboost is determined by the COMP(CEh[2]) register bit.
Default: 8h resulting in low voltage = Vlow_nom + 0.5 V + Vboost.
LNB Supply High Voltage
High voltage = Vhigh_nom + VHIGH[3:0] x 0.0625V + Vboost, where
Vhigh_nom is determined by the LNBLVL(CEh[1]) register bit, and
Vboost is determined by the COMP(CEh[2]) register bit.
Default: 8h resulting in High voltage = Vhigh_nom + 0.5 V + Vboost.
Preliminary Rev. 0.7
D4
D3
Function
Si2107/08/09/10
D2
VHIGH[3:0]
D1
D0
71
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