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Title: Excellent PWM Filter paper by Jim Tonne Post by: N4LTA 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 N4LTA Title: Re: Excellent PWM Filter paper by Jim Tonne Post by: 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/ Title: Re: Excellent PWM Filter paper by Jim Tonne Post by: KD6VXI on May 21, 2021, 07:25:47 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 KD6VXI Title: Re: Excellent PWM Filter paper by Jim Tonne Post by: Opcom on May 23, 2021, 01:11:45 AM +1 on that.
Title: Updated Link Post by: K8DI on July 26, 2021, 07:59:24 AM http://tonnesoftware.com/appnotes/pwm/PulsewidthModulators.pdf (http://tonnesoftware.com/appnotes/pwm/PulsewidthModulators.pdf) AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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