Search String: Display: Description: Sort:

Results:

References: [ +from:hmandel@barantelecom.com: 53 ]

Total 53 documents matching your query.

41. [Amps] Frontier Engineering (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Tue, 24 Jun 2008 13:01:48 -0400
Just wanted to mention a valuable resource to the group: Frontier Engineering out in Colorado, << rfsales@freng.com >> http://www.freng.com Owner Dave Wilson used to be one of the principals at ETO/A
/archives//html/Amps/2008-06/msg00215.html (6,801 bytes)

42. Re: [Amps] Silver Strap (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Fri, 11 Jul 2008 06:35:31 -0400
It seems the preponderance of thinking is it would be nice to do something rather than nothing, as corroded copper and brass is unsightly, while tarnished silver is less repulsive. There is another c
/archives//html/Amps/2008-07/msg00105.html (8,351 bytes)

43. Re: [Amps] Silver Strap (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Fri, 11 Jul 2008 16:31:15 -0400
{snip} ...this is good for a chassis work, but not for lines carrying RF. {snip} Dear Alex, Are you referring to MIL-C-5541E conductive coatings? Hal _______________________________________________ A
/archives//html/Amps/2008-07/msg00112.html (8,219 bytes)

44. Re: [Amps] New Tubes - Question (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Sun, 20 Jul 2008 03:29:19 -0400
{snip} The getter of the tube is intended to work during the air evacuation from the tube during the manufacture, not during any burn in. {snip} As long as the getter material is silver and not chalk
/archives//html/Amps/2008-07/msg00162.html (7,886 bytes)

45. Re: [Amps] Damage? (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Fri, 25 Jul 2008 11:32:06 -0400
It's not your amplifier. It's the power cord to it. We offer a specially-designed, low-emissivity, oxygen-free line cord for these pesky amplifiers, and you will be proud to own one and see how much
/archives//html/Amps/2008-07/msg00251.html (8,286 bytes)

46. Re: [Amps] Damage? (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Fri, 25 Jul 2008 13:32:34 -0400
Now this is no joke: We actually had a T-Mobile RF engineer specify a diplexer with negative attenuation. I wonder what the sweeps would have looked like. ____________________________________________
/archives//html/Amps/2008-07/msg00259.html (8,522 bytes)

47. Re: [Amps] Damage? (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Fri, 25 Jul 2008 13:44:47 -0400
{snip} "...specially-designed, low-emissivity, oxygen-free line cord..." Do these line cords have gold connectors on each end ? I am a discriminating buyer and would have nothing less than the very b
/archives//html/Amps/2008-07/msg00261.html (9,139 bytes)

48. Re: [Amps] Damage? (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Mon, 28 Jul 2008 07:50:05 -0400
{snip} Didn't intend to start Spam or OT thread, just a quick question. {snip} This thread brings me back to the old Popular Science article on fitting a flat aluminum plate with an exact slot machin
/archives//html/Amps/2008-07/msg00314.html (9,153 bytes)

49. Re: [Amps] Wire (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Mon, 28 Jul 2008 10:18:31 -0400
Rich [snip] Does any know a reason why TefzelR ETFE insulated wire would not be as good or better because the dielectric strength is even higher... [snip] A balun will generate heat. Manufacturers of
/archives//html/Amps/2008-07/msg00319.html (7,480 bytes)

50. Re: [Amps] Wire (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Mon, 28 Jul 2008 13:37:27 -0400
[snip] It has been shown (by W8JI, among others) that mismatch is NOT a contributor to heating in a choke balun. Heating in a current balun is proportional to the square of the common mode current. [
/archives//html/Amps/2008-07/msg00338.html (8,510 bytes)

51. Re: [Amps] Meters (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Tue, 5 Aug 2008 20:34:52 -0400
[snip] I'm sure some of you have tried digital meters in your amps. [snip] Tony, Do you mean the red LED digital number meters, or do you mean bargraphs? Hal W4HBM ___________________________________
/archives//html/Amps/2008-08/msg00039.html (6,788 bytes)

52. Re: [Amps] Lonely (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Tue, 12 Aug 2008 22:12:27 -0400
Mister Maser, For that transmission, specifically for the various "buzzwords," etcetera, it is needed to know if the proposed tetrode amplifier will be incorporating parasitic choke protection, pleas
/archives//html/Amps/2008-08/msg00082.html (6,907 bytes)

53. Re: [Amps] Apology to Aage (score: 1)
Author: "Harold Mandel" <hmandel@barantelecom.com>
Date: Mon, 18 Aug 2008 14:13:06 -0400
Well, at least we brought you out of your shell, Ray. Jerry B. sent me a beautiful HF-2000 to use in Miami a coupla months, ago because all the other stuff was packed up with the lab in Tampa. It sur
/archives//html/Amps/2008-08/msg00112.html (7,836 bytes)

Current List: 41 - 53
Page: [1] [2] [3]
This search system is powered by Namazu