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Total 9 documents matching your query.

1. [Amps] Grounded grid matching circuit (score: 1): Author: Mike Lucas <W5CHR@Bellsouth.net>; Date: Fri, 16 Apr 2010 18:56:01 -0500; In the March 1978 HAM RADIO magazine, Ulrich Rohde wrote about an elliptic filter covering the amateur bands from 1.8 to 30MHz, suitable for an input circuit to an amp needing a 50 ohm to 100 ohm ste; /archives//html/Amps/2010-04/msg00492.html (6,853 bytes)
2. Re: [Amps] Grounded grid matching circuit (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 16 Apr 2010 20:51:46 -0400; He later retracted that design saying it was not workable in actual dynamic use. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contestin; /archives//html/Amps/2010-04/msg00493.html (7,931 bytes)
3. Re: [Amps] Grounded grid matching circuit (score: 1): Author: Mike Lucas <W5CHR@Bellsouth.net>; Date: Fri, 16 Apr 2010 20:19:55 -0500; Carl: Thanks for the info--I feel somewhat better about my software usage skills, but disappointed that my ham radio hero DJ2LR has dashed my hopes of a broadband input for my project amp. Mike W5CHR; /archives//html/Amps/2010-04/msg00495.html (7,482 bytes)
4. Re: [Amps] Grounded grid matching circuit (score: 1): Author: Mike Lucas <W5CHR@Bellsouth.net>; Date: Fri, 16 Apr 2010 20:36:02 -0500; Dick: I have a large room full of projects started in the mid 70's, and still not completed. Rohde was the inspiration of more than half of them. Thanks to Al Gore's internet, Google and hi-speed DSL; /archives//html/Amps/2010-04/msg00497.html (7,797 bytes)
5. Re: [Amps] Grounded grid matching circuit (score: 1): Author: Mike Lucas <W5CHR@Bellsouth.net>; Date: Fri, 16 Apr 2010 21:09:38 -0500; Colin: Drive power is 100 watts to a 4PR1000 with 5000v on the anode. I (think) it will make near legal limit output with a 200 ohm resistor and a 4:1 unun. Will such an input screw up the IMD withou; /archives//html/Amps/2010-04/msg00498.html (8,338 bytes)
6. [Amps] Grounded grid matching circuit (score: 1): Author: "Jim Thomson" <Jim.thom@telus.net>; Date: Sat, 17 Apr 2010 01:35:47 -0700; In the March 1978 HAM RADIO magazine, Ulrich Rohde wrote about an elliptic filter covering the amateur bands from 1.8 to 30MHz, suitable for an input circuit to an amp needing a 50 ohm to 100 ohm ste; /archives//html/Amps/2010-04/msg00499.html (9,365 bytes)
7. Re: [Amps] Grounded grid matching circuit (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sat, 17 Apr 2010 09:25:28 -0400; Ulrich was a regular RadioKit customer and we would usually get into long telephone discussions. I brought that article up in conversation and he freely admitted it wasnt one of his better ideas(-; I; /archives//html/Amps/2010-04/msg00505.html (9,030 bytes)
8. [Amps] Grounded grid matching circuit (score: 1): Author: "Jim Thomson" <Jim.thom@telus.net>; Date: Sat, 17 Apr 2010 07:31:29 -0700; Colin: Drive power is 100 watts to a 4PR1000 with 5000v on the anode. I (think) it will make near legal limit output with a 200 ohm resistor and a 4:1 unun. Will such an input screw up the IMD withou; /archives//html/Amps/2010-04/msg00509.html (10,186 bytes)
9. Re: [Amps] Grounded grid matching circuit (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Sat, 17 Apr 2010 13:08:17 -0400; The pi network won't kill harmonics generated in the amp but the output capacitor of that pi network (on the cathode side) will reduce the harmonics generated in the amp. I don't think that you have; /archives//html/Amps/2010-04/msg00515.html (9,754 bytes)

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