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參數(shù)資料
| 型號： | MSM7583GS-BK |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | pie/4 Shift QPSK MODEM |
| 中文描述： | 餡餅/ 4移調(diào)制調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 215K |
| 代理商： | MSM7583GS-BK |
MSM7583
Semiconductor
18/23
(2) CR1 (I, Q gain adjustment)
B7
Ich
CR1
0
GAIN3
Ich
GAIN2
Ich
GAIN1
Ich
GAIN0
B6
B5
B4
B3
Qch
GAIN3
B2
Qch
GAIN2
B1
Qch
GAIN1
B0
Qch
GAIN0
0
0
0
0
0
0
0
Initial value
B7 to B4: I+/I- output gain setting, in 3 mV steps (Refer to Table 3.)
B3 to B0: Q+/Q- output gain setting, in 3 mV steps (Refer to Table 3.)
(3) CR2 (ENV gain adjustment)
B7
ENV
GAIN3
CR2
0
ENV
GAIN2
ENV
GAIN1
ENV
GAIN0
B6
B5
B4
B3
B2
B1
B0
0
0
0
0
0
0
0
Initial value
—
—
—
—
B7 to B4: ENV output gain setting, in 9 mV steps (Refer to Table 3.)
B3 to B0: Not used
Table 3 I, Q, and ENV Output Gain Values
1.042
1.036
1.030
1.024
1.018
1.012
1.006
1.000
0.994
0.988
0.982
0.976
0.970
0.964
0.958
0.952
B7
B3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
I and Q Amplitude
(value relative to the reference
(1.000) at (0, 0, 0, 0))
B6
B2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
B5
B1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
B4
B0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
B7 B6 B5 B4
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
CR1
CR2
ENV Amplitude
(value relative to the reference
(1.000) at (0, 0, 0, 0))
1.126
1.108
1.090
1.072
1.054
1.036
1.018
1.000
0.982
0.964
0.946
0.928
0.910
0.892
0.874
0.856
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
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