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21. [AMPS] SMPS design. My 2c. (score: 1): Author: alex@sandlabs.com (alex); Date: Sun, 16 Dec 2001 05:25:45 -0500; This was then Phil :) Today you can integrate a lot more in silicon so the part count is not a big problem. The real challenge becomes the design of the magnetics which has to switch currents in volt; /archives//html/Amps/2001-12/msg00249.html (14,081 bytes)
22. [AMPS] Two-tone audio generator for testing IMD? (score: 1): Author: alex@sandlabs.com (alex); Date: Mon, 17 Dec 2001 05:39:57 -0500; A two tone IMD test on an RF amp does _not_ use audio frequency! For your test use two RF generators. One set for 30.000.00MHz the other set to 30.001.00 MHz. Look at the output with an Spectrum anal; /archives//html/Amps/2001-12/msg00265.html (9,352 bytes)
23. [AMPS] Two-tone audio generator for testing IMD? (score: 1): Author: alex@sandlabs.com (alex); Date: Mon, 17 Dec 2001 07:11:22 -0500; This is not the _standard_ way for a IMD test ... Alex == If we can accept the notion that GUNS are the killers and not the people, why is it that we can not accept the idea that CARS are the speeder; /archives//html/Amps/2001-12/msg00268.html (10,668 bytes)
24. [AMPS] Two-tone audio generator for testing IMD? (score: 1): Author: alex@sandlabs.com (alex); Date: Mon, 17 Dec 2001 12:14:24 -0500; For this test ( distortions), you have a Distortions Analyzer. But I guess you know this already :) RF IMD - which you said you want to measure - is the result of mixing two or more RF carriers in no; /archives//html/Amps/2001-12/msg00276.html (8,862 bytes)
25. [AMPS] SB-200 & 10MHz++ (score: 1): Author: alex@sandlabs.com (alex); Date: Mon, 17 Dec 2001 21:09:40 -0500; This is a multi-part message in MIME format. --=_NextPart_000_0032_01C1873F.24161180 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Man! All I have done wa; /archives//html/Amps/2001-12/msg00284.html (14,895 bytes)
26. [AMPS] SB-200 & 10MHz++ (score: 1): Author: alex@sandlabs.com (alex); Date: Mon, 17 Dec 2001 21:28:02 -0500; This is a multi-part message in MIME format. --=_NextPart_000_0058_01C18741.B4F0F9C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Why is it that I hear s; /archives//html/Amps/2001-12/msg00286.html (13,315 bytes)
27. [AMPS] A novel Variable Inductor. (score: 1): Author: alex@sandlabs.com (alex); Date: Tue, 18 Dec 2001 04:56:03 -0500; As I said before, I needed a variable inductor for one of my projects... After mach research I had to conclude that there none out there that will satisfy my quest for perfection :) What I really nee; /archives//html/Amps/2001-12/msg00303.html (7,913 bytes)
28. [AMPS] A novel Variable Inductor. (score: 1): Author: alex@sandlabs.com (alex); Date: Tue, 18 Dec 2001 05:29:30 -0500; Which stands to show that there is nothing new to invent any more :) Who is Bill Orr? He must have (or had) a sharp mind :) Alex == If we can accept the notion that GUNS are the killers and not the p; /archives//html/Amps/2001-12/msg00306.html (7,974 bytes)
29. [AMPS] A novel Variable Inductor. (score: 1): Author: alex@sandlabs.com (alex); Date: Tue, 18 Dec 2001 05:33:32 -0500; And one more thing. Why don't I see any of these on the market ? It seems to make lot's of sense to have these in your amps :) Is any one (that I don't know) fabricating these spring coil variable in; /archives//html/Amps/2001-12/msg00307.html (8,410 bytes)
30. [AMPS] Another novel variable inductor (score: 1): Author: alex@sandlabs.com (alex); Date: Tue, 18 Dec 2001 06:32:56 -0500; This is a multi-part message in MIME format. --=_NextPart_000_006E_01C1878D.D44AE0A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable We run a simulation tod; /archives//html/Amps/2001-12/msg00309.html (14,469 bytes)
31. [AMPS] (score: 1): Author: alex@sandlabs.com (alex); Date: Wed, 19 Dec 2001 08:14:42 -0500; I have this used, large Laser Head. When new, it delivered 10KW CW of effective power to a focused point of only 2.5mm It was used in a welding machine. It needs an RF exciter of 5 - 10 KW running at; /archives//html/Amps/2001-12/msg00333.html (6,816 bytes)
32. [AMPS] HV Pole Pigs ++ (score: 1): Author: alex@sandlabs.com (alex); Date: Thu, 20 Dec 2001 02:34:13 -0500; Last time when I spoke with P.Dahl he wanted $2900 for a 15KVA trafo prototype. We ended up making it in China for $350. It costs us $400/piece at our door in 100 pieces quantity. P.Dahl lost a 500 p; /archives//html/Amps/2001-12/msg00347.html (8,919 bytes)
33. [AMPS] HV Pole Pigs ++ (score: 1): Author: alex@sandlabs.com (alex); Date: Thu, 20 Dec 2001 03:21:31 -0500; We, at Sand Labs Research, have a simple policy. If you are not willing to take the risk to provide us with a free sample of you work is either you are afraid that you will not be able to fulfill you; /archives//html/Amps/2001-12/msg00351.html (9,574 bytes)
34. [AMPS] HV Pole Pigs ++ (score: 1): Author: alex@sandlabs.com (alex); Date: Thu, 20 Dec 2001 03:26:30 -0500; You are wrong, mister! The Chinese ARE in business for 5000 years. In contrast, we started to re-invent business only 100 years ago! They had enough time to learn what brings and mostly what it takes; /archives//html/Amps/2001-12/msg00352.html (11,720 bytes)
35. [AMPS] HV Pole Pigs ++ (score: 1): Author: alex@sandlabs.com (alex); Date: Thu, 20 Dec 2001 03:47:57 -0500; You are silly! We are an Engineering Firm. We bring your product to Life. Check our site : http://www.sandlabs.com If you give us a R.F.Q. we will establish if you need to send us a P.O. satisfying m; /archives//html/Amps/2001-12/msg00356.html (11,205 bytes)
36. [AMPS] Free stuff from business and industry (score: 1): Author: alex@sandlabs.com (alex); Date: Thu, 20 Dec 2001 10:00:04 -0500; Sand Labs Research/International, _never_ uses or requests custom design (prototypes) from a vendor, free or otherwise for obvious reasons. We do not want or have time to debug third part subsystems.; /archives//html/Amps/2001-12/msg00373.html (10,773 bytes)
37. [AMPS] One last thing:) (score: 1): Author: alex@sandlabs.com (alex); Date: Thu, 20 Dec 2001 10:02:42 -0500; If you do look to our site, turn on the loudspeakers. The first page has a nice mix of done by my nephew Adam. He is 7 :) Alex == If we can accept the notion that GUNS are the killers and not the peo; /archives//html/Amps/2001-12/msg00374.html (6,767 bytes)
38. [AMPS] my 2c about Relays. (score: 1): Author: alex@sandlabs.com (alex); Date: Fri, 21 Dec 2001 23:06:07 -0500; When it comes to HAM Amps antenna switching relays, you will be better off in the long run by getting rid of the initial manufacturer components and build the entire switching system your self. I kno; /archives//html/Amps/2001-12/msg00442.html (8,043 bytes)
39. [AMPS] M/A Com fets ++ (score: 1): Author: alex@sandlabs.com (alex); Date: Sat, 22 Dec 2001 00:28:08 -0500; Moto is very good to us. We cannot complain at all... If we would complain about somebody this will be Richardson! They have monopolized the RF distribution market and dictate the prices! They are ru; /archives//html/Amps/2001-12/msg00444.html (9,470 bytes)
40. [AMPS] M/A Com fets ++ (score: 1): Author: alex@sandlabs.com (alex); Date: Sat, 22 Dec 2001 01:03:42 -0500; For about 4 years now, we use SMPS to power our filaments :) They are under a central Microprocessor control so we can adjust the filament (and not only) voltage at any time, real time, and remote if; /archives//html/Amps/2001-12/msg00446.html (8,915 bytes)

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