音频放大器.ewb

EWB经典实用列子

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"                                                                          多用途简易扩音器" 
"    该电路是多用小功率扩音器,采用推挽输出,失真小,效率高.整个电路只有四个晶体管,TR1和TR2是2N323型的,TR3和TR4是2N1415型的.输入变压器的输入阻抗为5K欧姆,在3K欧姆出有一个中心抽头,输出变压器的输出阻抗是200欧姆,并有中心抽头,次级与扬声器匹配,这里用的是3.2欧姆的扬声器,采用9伏电压供电." 

EncryptionType: 2
UsingVectorGraphics: 0
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