Thanx Gert John for the detailed discussion which supports
my original point - both devices need robust filtering to ensure proper
application of each.
The filter details discussed help fill in the needed insight
into what needs to be done. This needs to be
In message 001801d0c4a1$04ae87b0$0e0b9710$@cs.com, dated Wed, 22 Jul
2015, Pete Perkins 0061f3f32d0c-dmarc-requ...@ieee.org writes:
the standards committees are not yet willing to jump into requirements
that they don't yet understand and aren't yet ready to deal with.
It's not rocket
There are a number of issues mentioned and I want to put some side notes
here:
Interference needs a source and a victim.
Sources:
* The lowest frequency emitted by any of the 4 problem power
conversions is the main switching frequency.
* In low power solutions the lowest
In message 001401d0c404$4b1e88f0$e15b9ad0$@cs.com, dated Tue, 21 Jul
2015, Pete Perkins 0061f3f32d0c-dmarc-requ...@ieee.org writes:
Product committees need to understand these issues on both the
product safety and EMC side and include appropriate requirements In the
standards to
In message FCA549BE3ECF9D4CB8CB8576837EA48920AEA5@ZEUS.cetest.local,
dated Wed, 22 Jul 2015, ce-test, qualified testing bv - Gert Gremmen
g.grem...@cetest.nl writes:
Filter specifications should not be made in 50 ohm environments but
in much lower impedance ranges (0.5 -5 Ohms), so the
In message FCA549BE3ECF9D4CB8CB8576837EA48920AEA6@ZEUS.cetest.local,
dated Wed, 22 Jul 2015, ce-test, qualified testing bv - Gert Gremmen
g.grem...@cetest.nl writes:
· For the same L value(s) the capacitors of the T-config are
divided by 2, so half the touch current.
That filter
Thanks John,
Very good points added.
* For the same L value(s) the capacitors of the T-config are
divided by 2, so half the touch current.
* The input (mains side) capacitor of the PI shunts and
increases mains RF current, so contributes to parasitic RF current in
the
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