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參數(shù)資料
| 型號(hào)： | LMC835VX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻控制 |
| 英文描述： | 1 CHANNEL(S), EQUALIZER CIRCUIT, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁(yè)數(shù)： | 7/18頁(yè) |
| 文件大?。?/td> | 474K |
| 代理商： | LMC835VX |
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Application Hints (Continued)
MODEL
TLH6753 – 21
RESULT
TLH6753 – 22
FIGURE 15 Effect of RLEAK
REDUCING EXTERNAL COMPONENTS
The typical application shown in
Figure 7 is switching noise
free The DC-coupled circuit in
Figure 16 is also switching
noise free except at 12 dB6 dB switch turn ONOFF This
switching noise is caused by the Ibias and Voffset of the op
amps Selecting a low Ibias and Voffset op amp can minimize
the switching noise due to the 12 dB6 dB switch The DC-
coupled application can also eliminate the RFe 100k resis-
tors with only a 05 dB gain error at 12 dB boost or cut
AC COUPLING
TLH6753 – 23
DC COUPLING
TLH6753 – 24
FIGURE 16 Reducing External Components
15
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