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361. Re: [Amps] IMD & ALC's (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Sun, 4 Jan 2004 08:55:45 -0800
Hi Guillermo, If I recall correctly from looking at the schematic years ago with all the little wires running between all the boards, I believe that would only change the ALC threshold on the forward
/archives//html/Amps/2004-01/msg00038.html (8,385 bytes)

362. Re: [Amps] 3.5 kV 2A REGULATED Power Supply: Schematic ? (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 5 Jan 2004 09:13:39 -0800
<snip> input On this side of the pond those two are "load regulation" and "line regulation" respectively. And, of course, we spell 'Stabilization' with a "z". :-) 73 & Good morning, Marv WC6W * _____
/archives//html/Amps/2004-01/msg00051.html (9,177 bytes)

363. Re: [Amps] Step start resistors (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 5 Jan 2004 09:11:03 -0800
<snip> Hi Peter, I've been using 120 ohms @ 50W as of late. This keeps the inrush very peaceful. There is no "rush" since my indirectly heated tubes aren't going to be doing anything for a couple min
/archives//html/Amps/2004-01/msg00052.html (7,810 bytes)

364. Re: [Amps] muffin fans (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Wed, 25 Feb 2004 08:38:52 -0800
Hi Chuck, That's a lot for a muffin fan... you might get close if you (series) stack 6 or 7 of them! :-) pressure. The Rotron printed catalog has these graphs... not sure if they are shown on line: w
/archives//html/Amps/2004-02/msg00244.html (8,093 bytes)

365. Re: [Amps] 2 x 8877 (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Tue, 2 Mar 2004 18:10:59 -0800
< snip> produce. Hi Rich, The size given above, in waveguide, would have a cutoff in the vicinity of a Ghz but, since it has essentially zero length, it will have zero attenuation. It would take arou
/archives//html/Amps/2004-03/msg00025.html (8,236 bytes)

366. Re: [Amps] winding plate inductors (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Thu, 11 Mar 2004 09:22:09 -0800
Hi Chuck, A while back, I inherited a wondrous item for that task. It is a "Calculaide Frequency Computer" made by American Hydromath Corp. back in the 1950's. US pat. no. 2,530,304 The device is in
/archives//html/Amps/2004-03/msg00114.html (9,086 bytes)

367. Re: [Amps] Identify 718U Coaxial cable (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Thu, 11 Mar 2004 09:20:01 -0800
Hi Ron, By any chance could it be: 71B / U ? 73 & Good morning, Marv WC6W ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand
/archives//html/Amps/2004-03/msg00115.html (7,504 bytes)

368. [Amps] FS: Panel Meters (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 5 Apr 2004 08:03:47 -0700
** Time Meters ** Hobbs 120 VAC 60Hz 99999.99 (Yes, displays down to 100th's!) Hour running time meter about 1" high by 2" wide rectangular with triangular shaped mounting ears. New $20 ea A.W. Haydo
/archives//html/Amps/2004-04/msg00040.html (10,470 bytes)

369. [Amps] FS: Coax Connectors, Switch & Relay (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 5 Apr 2004 08:05:31 -0700
** New Coax Connectors ** Amphenol MHV connectors Two 28100 right angle cable males & two 27025 panel mount females. NOS $50 all. UG-560/U HN Female Panel mount connector NIB -- $10 ea 82-843-1050 Am
/archives//html/Amps/2004-04/msg00041.html (8,628 bytes)

370. [Amps] FS: Switches & Blowers (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 5 Apr 2004 08:01:50 -0700
** SWITCHES ** Radio Switch 86 series 6PDT (3 DPDT wafers) RF style switch used good -- $25 General Electric WW2 vintage (has that BC-375 look) 6 position RF style switch. Very solid detents! Used. $
/archives//html/Amps/2004-04/msg00042.html (9,117 bytes)

371. [Amps] FS: Tubes, Sockets, & a couple plate caps (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Tue, 6 Apr 2004 09:36:52 -0700
** TUBES ** -- Planar Tubes (used)-- Take the whole box for $100 or... 2C39A -- $7 ea or 5 for $30 322 -- $5 7289 (3CX100A5) -- $10 ea or 5 for $40 7698 -- $5 ea Y602B -- $5 Y2177 -- $5 ea EE144 -- $
/archives//html/Amps/2004-04/msg00046.html (8,713 bytes)

372. [Amps] FS: L, C & R (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Tue, 6 Apr 2004 09:37:18 -0700
** Roller Coil ** La Pointe L-0201 406-1 (identical to a Johnson 229-201) 10 uH. used good, $30 New! GE Ceramic end plates, part no. 7463338, for a GE roller coil. I believe these fit the GE coil tha
/archives//html/Amps/2004-04/msg00047.html (13,989 bytes)

373. [Amps] FS: Power Semiconductors (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Tue, 6 Apr 2004 09:39:47 -0700
** NOS RF transistors ** Motorola M9632 $7 -- Case 244-04 -- Motorola 2N5945 $15 Motorola 2N5946 $15 CTC 825-12 $10 Sylvania ECG363(2N5945) $15 -- Case 144B-05 -- Motorola 2N5589 $15 -- Case 145A-09
/archives//html/Amps/2004-04/msg00048.html (9,699 bytes)

374. [Amps] WTB: 18uH Henry Roller Coil (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Wed, 28 Apr 2004 09:54:31 -0700
Hello everyone, I'm looking for one of the small Henry Roller Coils for a project. I don't believe that they carry any ID info but, they measure as follows: The end plates are 4" x 4.5" The unit is 6
/archives//html/Amps/2004-04/msg00237.html (7,159 bytes)

375. Re: [Amps] Source for economical HV diodes? (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 10 May 2004 06:43:22 -0700
Hi Dave, I have some diodes that should fit your requirements. They are NOS house numbered parts (about 1/4" square by 2" long) probably rated at least 30 KV PIV (and perhaps 50 mA) as they exhibit a
/archives//html/Amps/2004-05/msg00111.html (8,241 bytes)

376. Re: [Amps] grounded-gate power MOSFET (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Sun, 16 May 2004 08:36:40 -0700
On Fri, 14 May 2004 11:23:42 +0200 Angel Vilaseca <avilaseca@bluewin.ch> writes: <snip> Hi Angel, You would still have the horrific input capacitance in GG and an even lower impedance to drive. I've
/archives//html/Amps/2004-05/msg00136.html (8,348 bytes)

377. Re: [Amps] Screen voltage regulation (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Sun, 16 May 2004 08:36:01 -0700
Hi Tom, This is probably not the answer you seek but, I'm considering a bidirectional Cuk converter for that spot in a project here. I already have a switching supply for heaters, grid bias & control
/archives//html/Amps/2004-05/msg00137.html (9,263 bytes)

378. Re: [Amps] grounded-gate power MOSFET (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Mon, 17 May 2004 16:21:26 -0700
On Mon, 17 May 2004 01:16:08 +0000 Tomm Aldridge <KD7QAE@ARRL.NET> writes: should Hi Tomm,. I'm a bit concerned about what happens at the center point of the cascode. Clamping it to the gate bias (15
/archives//html/Amps/2004-05/msg00145.html (7,978 bytes)

379. Re: [Amps] grounded-gate power MOSFET (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Thu, 20 May 2004 08:30:39 -0700
On Wed, 19 May 2004 18:22:05 +0200 Angel Vilaseca <avilaseca@bluewin.ch> writes: Hi Angel, Probably not. If the lower transistor gate drive goes away, then the full supply will show up on the drain.
/archives//html/Amps/2004-05/msg00172.html (9,572 bytes)

380. Re: [Amps] looking for (score: 1)
Author: Radio WC6W <wc6w@juno.com>
Date: Sat, 19 Jun 2004 12:05:42 -0700
On Fri, 18 Jun 2004 19:23:19 -0400 "David A. Pruett" <k8cc@comcast.net> writes: This surplus find wether it (I originally Hi Dom & Dave, That was the W7IUV site and the photos may still be seen via t
/archives//html/Amps/2004-06/msg00105.html (9,994 bytes)

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