SI2107-X-FM SILABS [Silicon Laboratories], SI2107-X-FM Datasheet - Page 85
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SI2107-X-FM
Manufacturer Part Number
SI2107-X-FM
Description
SATELLITE RECEIVER FOR DVB-S/DSS WITH QUICKLOCK AND QUICKSCAN
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI2107-X-FM.pdf
(94 pages)
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Register CCh. LNB Supply Control 2 (Si2108 and Si2110 only)
Register CDh. LNB Supply Control 3 (Si2108 and Si2110 only)
Note: This register byte is read-only if LNBL=1.
Name
Name
Bit
7:6
5:4
3:2
1:0
Bit
7:0
Bit
Bit
D7
D7
ILIM[1:0]
VMON[7:0]
OLOT[1:0]
SLOT[1:0]
IMAX[1:0]
ILIM[1:0]
Name
Name
D6
D6
D5
D5
Average Current Limit.
00 = 400 – 550 mA (default)
01 = 500 – 650 mA
10 = 650 – 850 mA
11 = 800 – 1000 mA
Peak Current Limit.
00 = 1.2 A (default)
01 = 1.6 A
10 = 2.4 A
11 = 3.2 A
Short Circuit Lockout Time.
00 = 15 µs initial; 240 µs secondary
01 = 20 µs initial; 320 µs secondary (default)
10 = 40 µs initial; 480 µs secondary
11 = 20 µs
Overcurrent Lockout Time.
00 = 2.5 ms
01 = 3.75 ms
10 = 5.0 ms (default)
11 = 7.5 ms
LNB Voltage Monitor (read only).
LNB output voltage = VMON x 0.0625 + 6 V
IMAX[1:0]
Preliminary Rev. 0.81
D4
D4
VMON[7:0]
D3
D3
SLOT[1:0]
Function
Function
Si2107/08/09/10
D2
D2
D1
D1
OLOT[1:0]
D0
D0
85
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