Search String: Display: Description: Sort:

Results:

References: [ +from:4cx250b@miamioh.edu: 327 ]

Total 327 documents matching your query.

321. Re: [Amps] step start (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Sun, 1 Oct 2023 12:43:13 -0700
Nice project, Paul. I built my first tetrode amp a couple of years ago, and I was dubious I could carry it off, but it worked well and was fun. I have website at w8zr.net with photos and schematics.
/archives//html/Amps/2023-10/msg00001.html (8,777 bytes)

322. Re: [Amps] step start (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Wed, 4 Oct 2023 11:28:25 -0500
Hi Paul, I agree generally with your take-always, though I still dont see the merit of using so much filter capacitance in the HV supply. Im guessing youll be using a big bank of electrolytic capacit
/archives//html/Amps/2023-10/msg00017.html (10,552 bytes)

323. Re: [Amps] High filament current on the 8877 amplifier tube (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Sun, 8 Oct 2023 21:11:39 +0000
Hi Tim, Ive never heard of that happening, though Ive not investigated the possibility with my own 8877s. Im wondering if the date codes and manufacturer for the odd tubes are different from your kno
/archives//html/Amps/2023-10/msg00022.html (8,503 bytes)

324. Re: [Amps] FW: High filament current on the 8877 amplifier tube (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Mon, 9 Oct 2023 22:36:50 +0000
Matt, I believe the W8JI precautions you cited are only half correct. Yes, it is important never to draw cathode current from a tube with an underheated filament or cathode. However, it is fine to ap
/archives//html/Amps/2023-10/msg00024.html (11,700 bytes)

325. Re: [Amps] Slow start-up of Amps on CW (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Tue, 12 Mar 2024 17:16:41 +0000
Good advice, Paul. Tnx! Jim w8zr Sent from my iPhone _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2024-03/msg00044.html (9,863 bytes)

326. [Amps] Harbach Closing (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Sun, 31 Mar 2024 16:29:33 -0700
I am so sorry to hear of Jeffs medical challenges, and wish him every success coping with this nasty disease. Jeff has been my representative for two decades as my sales agent for my homebrew project
/archives//html/Amps/2024-03/msg00067.html (6,687 bytes)

327. Re: [Amps] 8410 (score: 1)
Author: MU 4CX250B <4cx250b@miamioh.edu>
Date: Thu, 4 Apr 2024 18:12:20 -0400
I believe the MAX 7219 is not a microprocessor, but merely an inexpensive display driver. This is fortunate, because it means no programming of a microprocessor is required. The MAX 7219 is available
/archives//html/Amps/2024-04/msg00007.html (9,049 bytes)

Current List: 321 - 327
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17]
This search system is powered by Namazu