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another high frequency driver protection circuit

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hentai

hentai

New Member
I have found a pair of 3 way passive crossovers and they are equiped with this protection (i assume) circuit for the high frequency driver.

**broken link removed**


I dont have a spice model for BY228 so i used a regular rectifier diode but all i get is a slight attenuation of the input signal. Looking at the datasheet for BY228 i see its a damper diode. Can anyone explain what a damper diode is and what this circuit is supposed to do?
Thanks.
 
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