參數(shù)資料
型號(hào)： LM13600AN
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
中文描述： DUAL OP-AMP, 1000 uV OFFSET-MAX, 2 MHz BAND WIDTH, PDIP16
封裝： PLASTIC, DIP-16
文件頁(yè)數(shù)： 10/24頁(yè)
文件大?。?/td> 634K
代理商： LM13600AN
Voltage Controlled Resistors
(Continued)
Voltage Controlled Filters
OTA’s are extremely useful for implementing voltage con-
trolled filters, with the LM13600 having the advantage that
the required buffers are included on the I.C. The VC Lo-Pass
Filter of Figure 11performs as a unity-gain buffer amplifier at
frequencies below cut-off, with the cut-off frequency being
the point at which X
/g
equals the closed-loop gain of
(R/R
). At frequencies above cut-off the circuit provides a
single RC roll-off (6 dB per octave) of the input signal ampli-
tude with a 3 dB point defined by the given equation, where
g
is again 19.2 x I
at room temperature. Figure 12
shows a VC High-Pass Filter which operates in much the
same manner, providing a single RC roll-off below the de-
fined cut-off frequency.
Additional amplifiers may be used to implement higher order
filters as demonstrated by the two-pole Butterworth Lo-Pass
Filter of Figure 13 and the state variable filter of Figure 14
Due to the excellent g
tracking of the two amplifiers and the
varied bias of the buffer Darlingtons, these filters perform
well over several decades of frequency.
DS007980-14
FIGURE 7. AGC Amplifier
DS007980-15
FIGURE 8. Voltage Controlled Resistor, Single-Ended
www.national.com
10
相關(guān)PDF資料
PDF描述
LM13600M Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
LM13600N Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
LM13700 Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
LM13700AN Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
LM13700M Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM13600AN/B+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transconductance Operational Amplifier
LM13600M 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
LM13600MX 制造商:Rochester Electronics LLC 功能描述:- Bulk
LM13600N 制造商:Texas Instruments 功能描述:
LM13600N/B+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transconductance Operational Amplifier
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