參數(shù)資料
型號: STV0196
廠商: 意法半導體
英文描述: QPSK/BPSK DEMODULATOR AND FEC IC
中文描述: 調(diào)制/ BPSK調(diào)制解調(diào)器和FEC集成電路
文件頁數(shù): 9/23頁
文件大?。?/td> 236K
代理商: STV0196
100
10
0.0001
0.001
0.01
reset value
beta_tmg
9
8
7
6
5
4
3
2
1
1
0.1
N
VCO Relative Frequency Range (
f)
0
Figure 1 :
NaturalFrequency for Fs = 20MBauds
Example :
the VCO is trimmed from 39.9MHz to 40.1MHz when the VCO control output CLKREC goes from duty
cycle 0 to 100%. The peak-to-peakrelativerange is therefore 0.5% and
f = 0.0025 ; the reset values of
the parameters (alpha_tmg = 4, beta_tmg = 5) leads to a natural frequency of 2.6kHz, with a damping
factor of 0.84.
10
1
0.1
0.0001
0.001
0.01
reset value
K
VCO Relative Frequency Range (
f)
2alpha_tmg
- beta_tmg
8
7
6
5
4
3
2
1
0
0
Figure2 :
Damping Factor
FUNCTIONAL DESCRIPTION
(continued)
STV0196B
9/23
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