looking for a power amplifier ic

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yaobo

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I am looking for a power amplifier ic to build a signal processing circuit.
The maximum output power is required to be 500mW, and the bandwidth is about 300kHz.
Is anyone here can give me some advice? Thank you very much
 

depending on the voltage swing levels and the load resistance, your chioces would vary, but I think that a current feedback opamp like AD844, or some voltage feedback opamp like LM7372 would do the job quite perfectly (the latter has a 20MHz large signal bandwidth). AD has an opamp which provides upto 750mA output current in some 100MHz bandwidth.
 

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