我想找一款能放大40kHz正弦波的放大器,放大器用于超声波发射电路,后面接的是超声波发射换能器。请问各位有没有推荐的呢?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
你打算放大多少倍?前级信号源的共模电平,交流摆幅是多少?后级"超声波发射换能器”等效的输入阻抗是多少?
运放需要向换能器提供多大的功率?或者,提供多大的电流?TI有高输出电压的产品,如OPA454,以及与之类似的高电压产品