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--- electronics:logarithm-db [2026/05/04 15:29] – created - external edit 127.0.0.1
+++ electronics:logarithm-db [2026/05/16 17:34] (current) – oscar
@@ Line 25: / Line 25: @@
 The standard representation of the logarithmic magnitude of H(jω) is 20 log10 |H(jω)| dB
+===== dB to voltage difference=====
+<code>
+  dB = 20 * log10(V1/V2)
+  V1/V2 = 10^(dB/20)
+  -46dB -->  V1/V2 = 10^(-46/20) ≈0,00501
+</code>