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Total 12 documents matching your query.

1. [AMPS] Triode conected Tetrodes (score: 1): Author: kb7ww@chatusa.com (Arthur Moe); Date: Sun, 24 Jan 1999 13:46:04 -0800; "Pi-network value are given for various surplus tubes: 4-400A, 4-250A, 304TH and 833A. THE CIRCUIT The power tube is used in the grounded-cathode configuration. If the tube to be used is a tetrode, t; /archives//html/Amps/1999-01/msg00376.html (8,615 bytes)
2. [AMPS] Triode conected Tetrodes (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 24 Jan 1999 14:50:58 -0800; ? Not if one wants to build a linear amplifier. ? However, tetrodes that are connected this way require large amounts of grid current in order to draw moderate plate/anode current, are virtually cer; /archives//html/Amps/1999-01/msg00378.html (10,152 bytes)
3. [AMPS] Triode conected Tetrodes (score: 1): Author: W8IK@ibm.net (Joe Subich, W8IK); Date: Sun, 24 Jan 1999 18:28:32 -0500; The 304TH and 833A are moderate mu triodes, not tetrodes. They are specified for grid driven, AB2 (linear) service ... regularly used as both modulator and PA tubes in AM broadcast transmitters of t; /archives//html/Amps/1999-01/msg00380.html (8,526 bytes)
4. [AMPS] Triode conected Tetrodes (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 24 Jan 1999 18:45:54 -0500; That is real mumbo jumbo Art. First of all the 4-250/400 is a completely different tube than the 304TH/833A and simple Pi-Network tables can not be interchangably used between tubes designed for diff; /archives//html/Amps/1999-01/msg00381.html (10,955 bytes)
5. [AMPS] Triode conected Tetrodes (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 24 Jan 1999 17:19:31 -0800; ? Indeed. Sorry for the blunder. ? Where is this specified? There is no such thing as a triode, Class AB2 grid driven linear amplifier. . Cathode - driven, yes. Rich... R. L. Measures, 805-386-3734,; /archives//html/Amps/1999-01/msg00382.html (8,716 bytes)
6. [AMPS] Triode conected Tetrodes (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 25 Jan 1999 12:39:06 EST; Hi Art, The article seems to have survived into the 1980 edition. That table covers different plate impedances depending on plate voltage; not specific to any tube type. The 4-1000 may be triode conn; /archives//html/Amps/1999-01/msg00383.html (9,349 bytes)
7. [AMPS] Triode conected Tetrodes (score: 1): Author: royanjoy@ncn.net (Roy Koeppe); Date: Mon, 25 Jan 1999 11:52:11 -0600; Hey guys, We CW ops don't worry about IMD--connect all the grids you want together. Adjust idling current just enough so it doesn't deform the waveshape and stop worrying :-) K6XK/0 -- FAQ on WWW: ht; /archives//html/Amps/1999-01/msg00384.html (10,820 bytes)
8. [AMPS] Triode conected Tetrodes (score: 1): Author: measures@vc.net (Rich Measures); Date: Mon, 25 Jan 1999 13:18:53 -0800; ? ... if you want to build a power oscillator, yes. Grid-driven triode amplifiers need to be neutralized. Cathode-driven triodes don't. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/meas; /archives//html/Amps/1999-01/msg00387.html (8,113 bytes)
9. [AMPS] Triode conected Tetrodes (score: 1): Author: measures@vc.net (Rich Measures); Date: Mon, 25 Jan 1999 13:58:46 -0800; ? That (technoblatherous) article was one of the reasons I agreed to write the amplifier chapter of the 1995 ARRL Handbook - the manuscript for which can be found on my Web site. - later, Marv. Rich; /archives//html/Amps/1999-01/msg00388.html (8,264 bytes)
10. [AMPS] Triode conected Tetrodes (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 26 Jan 1999 13:45:36 -0000; Marv, WC6W pretty well said it all...........but you can add that for a given plate voltage swing and a given power output, the tank circuit is designed for the correct load impedance, and it doesn't; /archives//html/Amps/1999-01/msg00402.html (11,614 bytes)
11. [AMPS] Triode conected Tetrodes (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 26 Jan 1999 10:45:57 -0800; ? it seems to me that ZSAC determines conduction angle, and that this affects linearity. ? I know only too well that, in HF service, tetrodes with >50-ohm grid terminations are more likely to turn i; /archives//html/Amps/1999-01/msg00414.html (8,915 bytes)
12. [AMPS] Triode conected Tetrodes (score: 1): Author: kb7ww@chatusa.com (Arthur Moe); Date: Tue, 07 Jan 1997 12:30:42 -0800; "Pi-network value are given for various surplus tubes: 4-400A, 4-250A, 304TH and 833A. THE CIRCUIT The power tube is used in the grounded-cathode configuration. If the tube to be used is a tetrode, t; /archives//html/Amps/1997-01/msg00005.html (7,445 bytes)

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