Hi all,
I have to amplify the signal coming out of ATMEGA32 chip which is a sine wave with peak voltage of 5v and a current in mA. I have developed a circuit using OPAMPS (see attached). I need to amplify the signal to have a peak to peak of 20v and an output current of 100mA. This is used to drive a coil which is represented by the inductor in the schematic attache... I have acheived the voltage amplification (Check Vin_transmitter_coil node) required. But the current i get is only a max of 30mA.. how can i get more current? any ideas?
Also when i connect the inductor load..the Vin_transmitter_coil signal is not a clean sine wave...Is there a way to fix this problem?
I have to amplify the signal coming out of ATMEGA32 chip which is a sine wave with peak voltage of 5v and a current in mA. I have developed a circuit using OPAMPS (see attached). I need to amplify the signal to have a peak to peak of 20v and an output current of 100mA. This is used to drive a coil which is represented by the inductor in the schematic attache... I have acheived the voltage amplification (Check Vin_transmitter_coil node) required. But the current i get is only a max of 30mA.. how can i get more current? any ideas?
Also when i connect the inductor load..the Vin_transmitter_coil signal is not a clean sine wave...Is there a way to fix this problem?
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