ultralinear amplifier的用法和樣例：
例句
- Some kinds of linear amplifier utilize a tube as a load element in the amplifier circuit.
有的利用各種管道作為線(xiàn)性放大器負載的放大器電路組成。 - A linear power amplifier is used, which is mainly made up of an operation amplifier and a Darlington transistor because of the low power range.
由于是處在小功率范圍，功率放大器采用的是線(xiàn)性放大器，由一個(gè)運算放大器和一個(gè)達林頓管構成了功率放大器的主體。
