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41. [AMPS] More on the SB220 (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sat, 20 Mar 1999 21:41:45 +0100; My homebrew 432 MHz EME amplifier uses a Siemens YL1050 tetrode in a grounded screen configuration with the screen voltage B+ grounded. This tube is famous for it's arc-overs and mine was not any dif; /archives//html/Amps/1999-03/msg00512.html (12,064 bytes)
42. [AMPS] Big Tetrodes at UHF (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Sun, 21 Mar 1999 22:27:54 +0100; I think the parasitic are low frequency, definitely not 70 cm. The YL1050 family tubes are 1.6 kW plate dissipation up to 1 GHz. Can easily put out 2.5 - 3 kW on 70 cm and 1 kW on 23 cm. My question; /archives//html/Amps/1999-03/msg00529.html (8,000 bytes)

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