參數(shù)資料
型號: LMC555
廠商: National Semiconductor Corporation
英文描述: CMOS Timer
中文描述: 的CMOS定時器
文件頁數(shù): 7/12頁
文件大?。?/td> 318K
代理商: LMC555
Application Info
(Continued)
the modulating signal, since the threshold voltage and hence
the time delay is varied. Figure 11 shows the waveforms
generated for a triangle wave modulation signal.
50% DUTY CYCLE OSCILLATOR
The frequency of oscillation is
f = 1/(1.4 R
C
C)
DS008669-21
FIGURE 10. Pulse Position Modulator
DS008669-16
V
= 5V
TIME = 0.1 ms/Div.
R
A
= 3.9 k
R
= 3 k
C = 0.01μF
FIGURE 11. Pulse Position Modulator Waveforms
Top Trace: Modulation Input 1V/Div.
Bottom Trace: Output Voltage 2V/Div.
DS008669-6
FIGURE 12. 50% Duty Cycle Oscillator
L
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