參數(shù)資料
型號(hào): 4127
廠商: Texas Instruments, Inc.
元件分類: 對(duì)數(shù)放大器
英文描述: Logarithmic Amplifier(對(duì)數(shù)放大器)
中文描述: 對(duì)數(shù)放大器(對(duì)數(shù)放大器)
文件頁(yè)數(shù): 8/8頁(yè)
文件大?。?/td> 107K
代理商: 4127
8
4127
Combining expressions for E
2 gives the relationship:
E
S = –
n
= log
where:
A
(26mV)
E
O = RO IR Antilog –
Setting R
O and IR will set the scale factor. For example, an
R
O of 1M and IR of 1A will give a scale factor of unity
and E
O = Antilog –
R
T + R2
R
T
q
mKT
E
O
R
OIR
A
E
S
E
O
R
OIR
l
R
T
R
T + R2
1
0.434
E
S
A
E
S
A
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