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Title: The-measuring-of-vehicle-speed-and-spread-of-axies Download
 Description: PLL circuit used in the audio decoder LM567. LM567 is a combination of analog and digital circuit components, the circuit inside a rectangular wave generator, square wave frequency from 5,6 feet external R, C values of the decision. Input signals from 3 feet into the LM567, the comparison with the internal rectangular wave, if the same signal phase, the 8-pin output low, otherwise the output is high. 8-pin is open collector output, use an external pull-up resistor must be. Amplitude of the LM567 is approximately 5 feet, the standard rectangular wave 4V, cited by R1 to the base of transistor VT1, so connected to the VT1 launch tube infrared emitter to turn the space surrounding the issue of modulation infrared light.
 To Search: lm567
File list (Check if you may need any files):
测量车速和轴距\1602.bmp
..............\1602液晶显示模块.pdf
..............\4069.pdf
..............\741.pdf
..............\LM567CN.pdf
..............\LM567[1].pdf
..............\LM567中文资料.pdf
..............\max232下载.bmp
..............\program\main.c
..............\.......\main.LST
..............\.......\main.OBJ
..............\.......\new
..............\.......\new.hex
..............\.......\new.lnp
..............\.......\new.M51
..............\.......\new.Opt
..............\.......\new.plg
..............\.......\new.Uv2
..............\.......\new_Opt.Bak
..............\.......\new_Uv2.Bak
..............\.......\STARTUP.A51
..............\.......\STARTUP.LST
..............\.......\STARTUP.OBJ
..............\.......1\main.c
..............\........\main.LST
..............\........\main.OBJ
..............\........\new
..............\........\new.hex
..............\........\new.lnp
..............\........\new.M51
..............\........\new.Opt
..............\........\new.plg
..............\........\new.Uv2
..............\........\new_Opt.Bak
..............\........\new_Uv2.Bak
..............\........\STARTUP.A51
..............\........\STARTUP.LST
..............\........\STARTUP.OBJ
..............\使用说明请参看右侧注释====〉〉.txt
..............\单片机最小系统.bmp
..............\开关.jpg
..............\新建 文本文档 (3).txt
..............\program
..............\program1
测量车速和轴距
    

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