參數(shù)資料
型號: AS3502
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 圓形連接器
英文描述: Circular Connector; No. of Contacts:3; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:22-9 RoHS Compliant: No
中文描述: 13位線性編解碼器特征與模擬前端模塊
文件頁數(shù): 13/29頁
文件大?。?/td> 364K
代理商: AS3502
REV. M
Page 13
September 1998
AS3502
4) TRANSMIT DIGITAL GAIN REGISTER
This register contains the 8 bit coefficient for digital transmit gain setting.
DGX
D7
D6
D5
D4
D3
D2
D1
D0
Name
DGX7
DGX6
DGX5
DGX4
DGX3
DGX2
DGX1
DGX0
Default
0
1
1
0
1
1
0
1
Bit No
Symbol
Name and Description
D7-D0
DGX7-
DGX0
Transmit Digital Gain Setting (DGX). An 8-bit coefficient written into this register allows
to trim the gain from -38 dB to +10 dB. The coefficient in decimal format for a given
gain is calculated as:
(DGX
20
X
=
77
×
10
)
Coefficient
154
137
123
109
97
87
77
55
39
Transmit Gain
+6 dB
+5 dB
+4 dB
+3 dB (Default Value)
+2 dB
+1 dB
0 dB
- 3 dB
- 6 dB
Coefficient
27
19
13
10
7
5
3
2
1
Transmit Gain
-9 dB
-12 dB
-15 dB
-18 dB
-21 dB
-24 dB
-28 dB
-32 dB
-38 dB
5) SIDETONE GAIN REGISTER
This register contains an 8 bit coeficient for a digital sidetone. The sidetone may be disabled by writing 00h into
this register.
SG
D7
D6
D5
D4
D3
D2
D1
D0
Name
SG7
SG6
SG5
SG4
SG3
SG2
SG1
SG0
Default
0
0
1
0
0
0
0
0
Bit No
Symbol
Name and Description
D7-D0
SG7-SG0
Digital Sidetone Attenuation Control. An 8-bit coefficient written into this register allows
to control the sidetone attenuation in the receive channel. The sidetone attenuation
range is 0 dB to -48dB. The coefficient in decimal format for a given attenuaton is
(
SG
20
The sidetone default coefficient is 32 which corresponds to an attenuation of -18 dB.
calculated as:
X
=
256
×
10
)
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