[600MRG] Capacitors
Marshall Cross
mcross at megawave.com
Thu Oct 5 12:35:27 CDT 2017
Larry, look up ATC (Advanced Technical Ceramics) on Long Island, NY. This is where we get our high-current, low-loss caps. 73, Marshall, W1HK
-----Original Message-----
From: 600MRG [mailto:600mrg-bounces at w7ekb.com] On Behalf Of Larry
Sent: Thursday, October 05, 2017 1:06 PM
To: 600 MRG
Subject: [600MRG] Capacitors
While trying to build good bandpass filters for our favorite frequencies, I've had a great deal of difficulty finding capacitors that are good enough. C values in the range of 0.0047 to 0.1 uF are required for most of these filters. All of the capacitors I have on hand in this value range seem to be extremely low Q, very high ESR.
Does anyone know of a source of known good capacitors in this range?
I've looked at some WIMA and Kemet pulse rated caps and while they seem to be better than most, they are still not good enough to build bandpass filters with.
Thanks & 73,
Larry - W7IUV / WH2XGP
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