參數(shù)資料
型號(hào): LMV652
廠(chǎng)商: National Semiconductor Corporation
英文描述: 12 MHz, Low Voltage, Low Power Amplifier
中文描述: 12兆赫,低電壓,低功耗放大器
文件頁(yè)數(shù): 13/16頁(yè)
文件大小: 408K
代理商: LMV652
In the circuit shown in
Figure 6
, the two capacitors appear as
open circuits at lower frequencies and the signal is simply
buffered to the output. At high frequencies the capacitors ap-
pear as short circuits and the signal is shunted to ground by
one of the capacitors before it can be amplified. Near the cut-
off frequency, where the impedance of the capacitances is on
the same order as R
and R
, positive feedback through the
other capacitor allows the circuit to attain the desired Q. The
ratio of the two resistors, m
2
, provides a knob to control the
value of Q obtained.
20123820
FIGURE 6.
13
www.national.com
L
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