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RF shielding box - RF Cafe Forums
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antenna_ant
Post subject: RF shielding Posted: Thu Sep 29, 2005
2:28 am
I am looking for a RF shielding box that can shield an opamp
ckt from high voltage and high RF (upto 100kw) interference.
I initially
put some aluminum tape over the plastic box. It helped a little, but
now it started to behave strangely.
What do u guys recommend
to shield the ckt and also shield the wires going into the ckt.
TIA.
Top
Guest
Post subject: ShieldingPosted:
Thu Sep 29, 2005 2:22 pm
There are several problems:
1. Do power
or signals have to pass through the shielding?
2. What frequencies
are you thinking about? (Magnetic shielding becomes difficult at low
frequencies).
3. What is the field strength at the box? 100kW within
6 inches is different from 100 kW 100 yards away.
4. Not all opamps
are equally resistant to RF.
Each of these has different implications.
Good Luck!
Posted 11/12/2012
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