fix typo
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@@ -23,7 +23,7 @@ $47 \Omega$ resistors are already available.
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## 950Hz-1050Hz
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## 950Hz-1050Hz
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### low-pass
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### low-pass
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$((68 \parallel 68) \parallel (68 \ parallel 68)) = 17 \Omega$
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$((68 \parallel 68) \parallel (68 \parallel 68)) = 17 \Omega$
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### high-pass
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### high-pass
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$(10 \parallel 10) + 10 = 15 \Omega$
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$(10 \parallel 10) + 10 = 15 \Omega$
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@@ -42,7 +42,7 @@ $22 + 22 + 1 + 1 = 46 \Omega$
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$(10 \parallel 10) + (47 \parallel 3.3) + 10 = 18.083 \Omega$
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$(10 \parallel 10) + (47 \parallel 3.3) + 10 = 18.083 \Omega$
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## high-pass
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## high-pass
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$(22 \parallel 22) + 1 + 1 + 1 = 14 \Omega$ (better tolerance)
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$(22 \parallel 22) + 1 + 1 + 1 = 14 \Omega$ **(better tolerance)**
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Alternative: $10 + 1 + 1 + 1 + 1 = 14 \Omega$ (worse tolerance)
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Alternative: $10 + 1 + 1 + 1 + 1 = 14 \Omega$ **(worse tolerance)**
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