SI2107 SILABS [Silicon Laboratories], SI2107 Datasheet - Page 59
SI2107
Manufacturer Part Number
SI2107
Description
SATELLITE RECEIVER FOR DVB-S/DSS
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI2107.pdf
(80 pages)
- Current page: 59 of 80
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Register 77h. Digital AGC 1 Gain H
Register 78h. Digital AGC 2 Control
Register 79h. Digital AGC 2 Threshold
Name
Name
Name
Bit
7:0
Bit
6:3
2:1
Bit
7:0
Bit
7
0
Bit
Bit
Reserved
D7
D7
D7
DAGC2W[1:0]
DAGC2T[7:0]
DAGC1[15:8]
DAGC2TDIS
DAGC2[3:0]
Reserved
Name
Name
Name
D6
D6
D6
D5
D5
D5
DAGC2[3:0]
Digital AGC2 Threshold
Default: B5h
Gain of digital AGC 1 (high-byte).
Default: 00h
Program to 0 (device may change the value of this bit during opera-
tion)
Digital AGC2 gain factor
Default: 0h
Digital AGC2 Measurement window
Acquisition
00 = 16 samples (default)
01 = 32 samples
10 = 64 samples
11 = 128 samples
Digital AGC2 Automatic Tracking Disable
1 = Disable automatic tracking. Freeze applied to gain.
0 = Enable automatic tracking. (default)
Preliminary Rev. 0.7
D4
D4
D4
DAGC1[15:8]
DAGC2T[7:0]
D3
D3
D3
Function
Function
Function
Si2107/08/09/10
Tracking
1024 samples (default)
D2
2048 samples
4096 samples
8192 samples
DAGC2W[1:0]
D2
D2
D1
D1
D1
DAGC2TDIS
D0
D0
D0
59
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