請問該如何實現這種類比電路?
請教一下
該如何實現以下的電路來偵測當
[abs(ck-ckb)<50mv]&&[freq(ck)<10MHz]時
輸出一
ck 跟 ckb 是兩個同頻率反向的輸入訊號
amplitude 跟common mode voltage都不知道
頻率可能1kHz to 1GHz
thanks
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