SI2107 SILABS [Silicon Laboratories], SI2107 Datasheet - Page 60
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SI2107
Manufacturer Part Number
SI2107
Description
SATELLITE RECEIVER FOR DVB-S/DSS
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI2107.pdf
(80 pages)
- Current page: 60 of 80
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Si2107/08/09/10
Register 7Ah. Digital AGC 2 Level L
Register 7Bh. Digital AGC 2 Level H
Register 7Ch. C/N Estimator Control
60
Name
Bit
Name
Name
Bit
7:0
Bit
7:0
6:3
1:0
Bit
Bit
Bit
7
2
CNS
D7
D7
D7
DAGC2GA[15:8]
DAGC2GA[7:0]
Reserved
CNW[1:0]
Name
CNM
CNS
Name
Name
D6
D6
D6
0
C/N Estimator Start.
Writing a one to this bit initiates an C/N estimator and clears the result
stored in CNE_LEVEL. This bit is automatically cleared to zero when the
measurement period elapses.
Program to zero.
C/N Estimator Mode.
0 = Finite window
1 = Infinite window (default)
C/N Measurement Window.
00 = 1024 samples
01 = 4096 samples (default)
10 = 16384 samples
11 = 65536 samples
D5
D5
D5
0
Digital AGC2 Gain Auto (high byte).
See register 7Ah.
Default: 00h
Digital AGC2 Gain Auto (low byte).
Digital AGC2 gain applied to meet threshold
Default: 00h
Preliminary Rev. 0.7
DAGC2GA[15:8]
D4
DAGC2GA[7:0]
D4
D4
0
D3
D3
D3
0
Function
Function
Function
D2
D2
CNM
D2
D1
D1
D1
CNW[1:0]
D0
D0
D0
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