2 OHM PDM FILTER

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2 OHM PDM FILTER

Postby frank carcia » Wed Mar 05, 2003 12:34 pm

Hi All,
I worked up a 2 ohm PDM filter that is 3 sections.
L1= 48 UH, L2= 32 UH, L3= 24 UH, C1= 10 UF, C2= 6 UF, C3= 2 UF

L3 and C3 connect to the final. This also gives over 70 db of attenuation
at 75 KHz. Starts to roll off at 7 KHz, 3 db at 11 KHz.
fc
frank carcia
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