[問題] op-amp哪裡買?
大家好, 我想請問一下op amp應該去哪兒買呢?
我的用途只是想要將一個5V 100Hz的sine wave放大成100V的輸出訊號
想說應該用簡單的op amp就能搞定了(吧)
但是我不知道要去哪兒買op amp這玩意兒...
以前不是學電路這東西的, 一整個很陌生QQ
是不是也應該要買電阻阿XD
我現在手邊有的只有電線....
想請高手不吝賜教
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