[sdiy] Ferrite Beads

[Harry Bissell]

Ferrite beads could help on inputs, they are lossy and would tend to stop RF from entering further into an enclosure where it might re-radiate.

They would work better with lower input impedances where currents were higher (no current, no effect...)

H^) harry


----- Original Message -----
From: Stewart Pye <stewpye at optusnet.com.au>
To: Synth DIY <synth-diy at dropmix.xs4all.nl>
Sent: Wed, 02 Feb 2011 16:15:45 -0500 (EST)
Subject: [sdiy] Ferrite Beads

It's common (good practice) practice to put ferrite beads on the power 
supply inputs to a module. Would it also be good practice to put them on 
audio inputs to a system that uses banana sockets (unshielded cables), 
or does RC filtering at your input op amp do just as good or better job?

Regards,
Stewart.
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-- 
Harry Bissell & Nora Abdullah 4eva