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参数资料
| 型号： | 2SC5677-FB |
| 元件分类： | 小信号晶体管 |
| 英文描述： | L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR |
| 封装： | LEADLESS MINIMOLD PACKAGE-3 |
| 文件页数： | 7/20页 |
| 文件大小： | 97K |
| 代理商： | 2SC5677-FB |
LC07410LG
No.A1345-15/36
Continued from preceding page.
ADRS
Bit
Name
Init
Description
[7]
ALC_NGEN
0b
Set the noise gate function
1: Valid 0: Invalid
[6:4]
ALC_NGTH
100b
Set the noise gate silent detection thresh level
[3:2]
ALC_NGDT
10b
Set the noise gate silent detection time/See the gain attenuation time
09h
[1:0]
ALC_NGRT
01b
Set the noise gate reset time
0Bh
[5:0]
ALC_VMAX
0Eh
Set the maximum PGA gain value (Init value = 0Eh: 0dB)
Refer to “ALC Circuit Gain Setting Table.”
0Ch
[5:0]
ALC_GAIN
0Eh
Set the manual mode PGA gain value (Init value = 0Eh: 0dB)
Refer to “ALC Circuit Gain Setting Table.”
0Dh
[1:0]
REC_ALC
PB_ALC
10b
ALC mode setting
10: REC ALC, PB manual gain setting
01: PB ALC, REC manual gain setting
00/11: ALC OFF, REC/PB manual gain setting
See the section on "Description of ALC Operation."
Attack coefficient 1
Attack coefficient 2
FA1[2:0]
1dB
Attenuation time*
fs = 48kHz
24kHz
12kHz
FA2[2:0]
1dB
Attenuation time*
fs = 48kHz
24kHz
12kHz
000
1/fs
20.83
μs
000
1/fs
20.83
μs
001
2/fs
41.67
μs
001
2/fs
41.67
μs
010
4/fs
83.33
μs
010
4/fs
83.33
μs
011
8/fs
166.7
μs
011
8/fs
166.7
μs
100
16/fs
333.3
μs
100
2
9/fs
10.66ms
101
32/fs
666.6
μs
101
2
10/fs
21.33ms
110
64/fs
1.333ms
110
2
11/fs
42.67ms
111
128/fs
2.666ms
111
2
12/fs
85.33ms
* At fs = 32k to 48kHz setting. 1/4 times at 8k to 12kHz, 1/2 times at 16k to 24kHz (48kHz, 24kHz, 12kHz become the same speed).
Attack speed switch over thresh level
THA[2:0]
Level to ALC_VAL
000
+1dB
001
+2dB
010
+3dB
011
+4dB
100
+5dB
101
+6dB
110
+7dB
111
+8dB
Recovery coefficient 1
Recovery coefficient 2
Recovery coefficient 3
FR1[2:0]
FS/s*
FR2[2:0]
FS/s*
FR3[2:0]
FS/s*
000
13.2
000
3.3
000
0.828
001
6.6
001
1.65
001
0.424
010
3.3
010
0.828
010
0.212
011
1.65
011
0.424
011
0.106
100
0.828
100
0.212
100
0.053
101
0.424
101
0.106
101
0.026
110
0.212
110
0.053
110
0.013
111
0.106
111
0.026
111
0.006
* Value at fs = 48kHz, 24kHz, 12kHz
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