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发明名称
开环晶体管恒流放大器
摘要
本发明涉及一种处于开环工作状态的晶体管恒流放大器,使用于模拟放大电路,既可作电流放大,也可作电压放大和功率放大。它由输入互补对管和输出互补对管直接交连组成。由于采取直接交连和共射放大形式,故输入级的输出阻抗即为输出级的输入阻抗,输出级的输出阻抗即为放大器的负载阻抗。因此,它不仅解决了负载阻抗变化时输出电流的恒定问题,还解决了输出阻抗与负载阻抗的匹配问题。它具有无穷大的负载能力,即负载阻抗可以为零,故不必设置保护电路。另外,它处于开环工作状态,从根本上解决了瞬态互调失真和交界面互调失真。
申请公布号
CN1187068A
申请公布日期
1998.07.08
申请号
CN96111117.8
申请日期
1996.07.30
申请人
王天资
发明人
王天资
分类号
H03F3/00
主分类号
H03F3/00
代理机构
代理人
主权项
1、一种由偏置电阻、偏置互补对管、输入互补对管、输出互补对管连接构成的放大器(10),其特征在于输入互补对管(4、5)的集电极分别连接输出互补对管(6、7)的基极,输入互补对管(4、5)的发射极并接后与电阻(8)相连,输出互补对管(6、7)的集电极并接后作为放大器(10)的输出端与负载电阻(9)相连,输出互补对管(6、7)的发射极分别与正、负电源相连。
地址
463000河南省驻马店市健康路11号
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