5 Ohm PDM Filter

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5 Ohm PDM Filter

Postby frank carcia » Thu Feb 27, 2003 2:16 pm

Hi All,
Mike W2ZE asked me to simulate a 3 section 5 OHM output load filter for his application. Micro Cap Values L1=120 UH, L2= 90 UH, L3 60 UH
C1= 4.4 UF, C2= 2.2 UF, C3= .82 UF L3 and C3 connected to the final.

Response flat to about 10 KHz and 75 dB of attenuation at 85 KHz.
Pass band ripple is 4/10 dB. Input Z is 1/10 OHM. fc
frank carcia
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