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Reviews For: Olympix 311000 Ferrite Core

Category: Filters, RF: bandpass, duplexer, lowpass, highpass, RFI/EMI

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Review Summary For : Olympix 311000 Ferrite Core
Reviews: 1MSRP: 17.95
Description:
Large split ferrite core for RFI suppression
Product is in production
More Info: http://olympixcorp.com/rfchoke/ferrite.htm
# last 180 days Avg. Rating last 180 days Total reviews Avg. overall rating
0015
K3CBC Rating: 2014-03-12
Solved computer RFI problem Time Owned: 0 to 3 months.
I got this to solve an RFI problem from a laptop power adapter that was interfering with the 40 meter band. I opened the core, looped the AC power cord around six times, closed the core and the problem was gone! For good measure I also installed a smaller core (31500, $4.45) on the DC cable.

The larger core has a 1" diameter hole and the smaller core a 0.5" diameter hole. I searched for similar units and found the price of these to be the best.