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參數(shù)資料
| 型號： | LM13600M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers |
| 中文描述： | DUAL OP-AMP, 4000 uV OFFSET-MAX, 2 MHz BAND WIDTH, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數(shù)： | 13/24頁 |
| 文件大小： | 634K |
| 代理商： | LM13600M |
Voltage Controlled Filters
(Continued)
Voltage Controlled Oscillators
The classic Triangular/Square Wave VCO of Figure 15 is
one of a variety of Voltage Controlled Oscillators which may
be built utilizing the LM13600. With the component values
shown, this oscillator provides signals from 200 kHz to below
2 Hz as I
is varied from 1 mA to 10 nA. The output ampli-
tudes are set by I
x R
. Note that the peak differential input
voltage must be less than 5V to prevent zenering the inputs.
A few modifications to this circuit produce the ramp/pulse
VCO of Figure 16 When V
is high, I
is added to I
to in-
crease amplifier A1’s bias current and thus to increase the
charging rate of capacitor C. When V
is low, I
F
goes to
zero and the capacitor discharge current is set by I
C
.
The VC Lo-Pass Filter of Figure 11 may be used to produce
a high-quality sinusoidal VCO. The circuit of Figure 16 em-
ploys two LM13600 packages, with three of the amplifiers
configured as lo-pass filters and the fourth as a limiter/
inverter. The circuit oscillates at the frequency at which the
loop phase-shift is 360 or 180 for the inverter and 60 per
filter stage. This VCO operates from 5 Hz to 50 kHz with less
than 1% THD.
DS007980-21
FIGURE 14. Voltage Controlled State Variable Filter
www.national.com
13
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| LM13700N | Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LM136-2.5 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Reference Diode |
| LM136-2.5 MD8 | 制造商:Texas Instruments 功能描述:VOLTAGE REFERENCE DIODE DIE - Gel-pak, waffle pack, wafer, diced wafer on film |
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