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References: [ +from:i4jmy@iol.it: 231 ]

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101. [AMPS] a sticky issue. (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Sat, 14 Oct 2000 19:14:37 +0200; The impedance of an inductor with a resistance in series, is equivalent to another inductor with a certain resistance in parallel. This is easily demonstrable by impedance series parallel transformat; /archives//html/Amps/2000-10/msg00305.html (10,783 bytes)
102. [AMPS] Question on IC2KL (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Sun, 15 Oct 2000 23:00:53 +0200; Is it the output of IC2KL amplifier in phase or out of phase with input ? Thanks. 73, Mauri I4JMY -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative req; /archives//html/Amps/2000-10/msg00338.html (6,385 bytes)
103. [AMPS] CBers The last Word? (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Fri, 1 Sep 2000 17:23:52 +0200; Since Hams didn't buy their bands, the only way to hold them is to own. Instead of complaining like children and pretending someone else acts to protect a property that's not a property, hams should; /archives//html/Amps/2000-09/msg00017.html (7,056 bytes)
104. [AMPS] suppressor experience (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Sat, 9 Sep 2000 17:06:50 +0200; Also the choice of a convenient tube or socket helps a lot to avoid troubles, likewise a mechanical layout that's proper . I used different home made PAs since the early 80s, none of them has nichrom; /archives//html/Amps/2000-09/msg00362.html (7,477 bytes)
105. [AMPS] Blown TL922A... What to do? (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Tue, 12 Sep 2000 10:50:54 +0200; Avoid/prevent doubts with a small ferrite bead. 73, Mauri I4JMY -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com; /archives//html/Amps/2000-09/msg00520.html (9,164 bytes)
106. [AMPS] TS-940S/AT Spurs? (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Tue, 12 Sep 2000 17:42:40 +0200; Is not the cable legnth from RTX to external tuner close to a quarter wave on 10m ? Where do you look at SWR to set external tuner settings ? Try to connect RTX and tuner with a different cable lengh; /archives//html/Amps/2000-09/msg00542.html (9,310 bytes)
107. [AMPS] Shorted Pi-Networks Turns revisited (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Wed, 13 Sep 2000 17:07:12 +0200; The eventual arcing troubles you mention with switches that do not progressively short unused coil portions are caused by unwanted resonances, similarly to what happens with some plate chokes at crit; /archives//html/Amps/2000-09/msg00605.html (10,373 bytes)
108. [AMPS] Mount pi-net capacitors vertically (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Fri, 15 Sep 2000 15:47:23 +0200; In a frequency where the box ground path could be noticeable the large HF vaacum capacitor would be already out of matter because of their stray inductance. Practically speaking, the output circuits; /archives//html/Amps/2000-09/msg00763.html (10,468 bytes)
109. [AMPS] shortwave Tx (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Sat, 16 Sep 2000 19:24:39 +0200; Under the SW Broadcasting perspective, the prediction in favour of AM versus SSB has been prooved as totally correct. About radio channels through Ku band geostationary satellite, actually there's a; /archives//html/Amps/2000-09/msg00805.html (9,124 bytes)
110. [AMPS] wanted SB 220 bandswitch (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Tue, 26 Sep 2000 15:15:14 +0200; The bandswitch in my (ex) SB220 is apparently still alive and healthy after 23 Years of heavy service and several "bad" experiments. It survived contest after contest, and also an external power supp; /archives//html/Amps/2000-09/msg01025.html (10,646 bytes)
111. [AMPS] SB-220 Smoke Test (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Wed, 27 Sep 2000 09:18:00 +0200; The grid is already (dynamically) grounded by capacitors, expecially on higher frequencies. A mechanichal grounding is practically ininfluent and produces only marginal changes/improvements. In SB220; /archives//html/Amps/2000-09/msg01080.html (9,312 bytes)
112. [AMPS] SB-220 Smoke Test (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Wed, 27 Sep 2000 22:51:33 +0200; The resonance of SB220/TL922 grid-ground circuit is given by the parallel of few mH and few hundred pF, actually that circuit is never really "open" at any frequency because of the low Q caused by th; /archives//html/Amps/2000-09/msg01119.html (10,643 bytes)
113. [AMPS] SB-220 Smoke Test (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Wed, 27 Sep 2000 23:54:00 +0200; It's more, I think 3 mH. 73, Mauri I4JMY -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@c; /archives//html/Amps/2000-09/msg01123.html (9,020 bytes)
114. [AMPS] SB-220 Smoke Test (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Thu, 28 Sep 2000 10:54:39 +0200; Actually I hate to reply between paragraphs but I can't do anything else this time. Since one of the most typical feature of amp reflector is that people mix up things to win over, bear in mind that; /archives//html/Amps/2000-09/msg01140.html (13,331 bytes)
115. [AMPS] Feedback path 3-500Z (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Thu, 28 Sep 2000 17:48:24 +0200; Which resonance ? Certainly not below 2 MHz ! Plate choke resonances, a matter on HIGHER frequencies, are determined by their inductance and capacitance between turns, not by choke and bypass capacit; /archives//html/Amps/2000-09/msg01153.html (9,841 bytes)
116. [AMPS] Feedback path 3-500Z (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Thu, 28 Sep 2000 20:04:27 +0200; Please show me the reactive components involved in the claimed resonance and how, and where, they are connected. 73, Mauri I4JMY the the a high inherent resonance -- FAQ on WWW: http://www.contesting; /archives//html/Amps/2000-09/msg01161.html (9,388 bytes)
117. [AMPS] Feedback path 3-500Z (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Fri, 29 Sep 2000 13:24:58 +0200; capacitor and Going from PS to plate: Several uF HV cap filter is in parallel with 1000 pf Bypass, reactance is several uF//1000pf, a like a short (-j0) on VLF. The 8 uH inductor is in series with t; /archives//html/Amps/2000-09/msg01169.html (12,758 bytes)
118. [AMPS] Feedback path 3-500Z (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Fri, 29 Sep 2000 15:31:17 +0200; Hi Tom, I did explain what sort of load its needed to have the blocking cap lead j872.6 Ohm equivalent reactance and also that I substantially agree that PI is mostly ininfluent to produce it. Anyway; /archives//html/Amps/2000-09/msg01175.html (11,315 bytes)
119. [AMPS] Adapter for dummy load needed (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Fri, 29 Sep 2000 16:47:13 +0200; It looks a 1-5/8 connector and you need a transition with inner. It's not an easy challange to find out a direct 1-5/8 to 7/16 or N adapter since 1-5/8 is an high power connector and there's little c; /archives//html/Amps/2000-09/msg01177.html (7,980 bytes)
120. [AMPS] Feedback path 3-500Z (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Fri, 29 Sep 2000 23:20:15 +0200; Hi Tom, stated that PI is "transparent" and the dangerous reactive load has to be produced across amplifier output connector, please give some examples, among the hundreds, with real HF antenna imped; /archives//html/Amps/2000-09/msg01190.html (11,067 bytes)

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