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Author Topic: Excellent PWM Filter paper by Jim Tonne  (Read 6518 times)
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N4LTA
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« on: May 20, 2021, 07:16:28 PM »
This is an excellent white paper on PWM filter design. Jim once designed PWM modulators for Continental. His largest filter design was for a 600KW carrier, 2400KW transmitter.

http://tonnesoftware.com/appnotes/pwm/HamPWM.pdf

Pat
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K9MB
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« Reply #1 on: May 21, 2021, 01:38:21 PM »
Jim has written a number of great articles on design.
I have used his ELSIE program for years.
You can design the pwm filter of your choice on ELSIE in a few minutes and the tune feature allows you to see the effects of changes in real time on the plot fir the filter.
I am very grateful for his great contribution to making design much easier.
Others who do not know his site might find it useful.
http://tonnesoftware.com/
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KD6VXI
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Making AM GREAT Again!
« Reply #2 on: May 21, 2021, 07:25:47 PM »
Quote from: K9MB on May 21, 2021, 01:38:21 PM
Jim has written a number of great articles on design.
I have used his ELSIE program for years.
You can design the pwm filter of your choice on ELSIE in a few minutes and the tune feature allows you to see the effects of changes in real time on the plot fir the filter.
I am very grateful for his great contribution to making design much easier.
Others who do not know his site might find it useful.
http://tonnesoftware.com/

I use Elsie, his Pi-L software and Meter.  His site is a goldmine.

--Shane
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Patrick J. / KD5OEI
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« Reply #3 on: May 23, 2021, 01:11:45 AM »
+1 on that.
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Radio Candelstein
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« Reply #4 on: July 26, 2021, 07:59:24 AM »
http://tonnesoftware.com/appnotes/pwm/PulsewidthModulators.pdf

Ed
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Ed, K8DI, warming the air with RF, and working on lighting the shack with thoriated tungsten and mercury vapor...
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