The utility model discloses an enhancement gain amplifier circuit, belonging to the field of the circuit, the utility model comprises a common source - JFET source circuit is the first level and BJT current follower as second common base circuits, including JFET source circuit is connected with the operational amplifier circuit. Through the above settings, the utility model has to solve defects of low input voltage for the purpose of using a simple operational amplifier circuit can realize the function, low power consumption and low cost, suitable for use.
【技术实现步骤摘要】
【技术保护点】
一种增强增益型放大电路，其特征在于，包括由JFET共源电路作为第一级和BJT电流跟随器作为第二级组成的共源?共基串接电路，其中JFET共源电路上还连接有运算放大电路。
【技术特征摘要】
【专利技术属性】
技术研发人员：刘磊，
申请(专利权)人：四川高软软件科技有限公司，
类型：实用新型
国别省市：
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