方波-正玄波.ewb

EWB经典实用列子

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
" 信控系自9741班40号  魏俊超    1999/12/23" 
"                                                    " 
"                                                                                   正弦波振荡器 " 
"" 
"      通过带通滤波器从矩形波中滤出基波，便能获得正弦波。此电路可产生被限幅的正弦波，可望得到低的失真度。为保证电路可靠的振荡，用齐纳二极管来限幅，欲使输出稳定，也要求有足够大的信号。通常正弦波以限幅20%为佳。" 
"        低频的下限是由电容器的容量来决定的。" 
"        幅值的改变由R7和R9决定，如果增大它们的阻值，则幅值减小，反之，则增大。" 
"        R3决定振荡器的起振时间，R3的阻值越小，起振时间越短。   " 

EncryptionType: 2
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