- 41. SV: [AMPS] SB-220 Glitch Resistor ??? (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Fri, 01 Dec 2000 14:30:41
- HT a.c. lead right out of the transformer, thus protecting everything including the bridge rectifier and caps, <<snip>> And then the tube gets the entire amount of energy stored in the caps when it
- /archives//html/Amps/2000-12/msg00006.html (9,299 bytes)
- 42. [AMPS] SWR Protection (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Tue, 05 Dec 2000 16:24:58
- How do you plan on doing that on a wideband transformer output amplifier? Since the Impedance of the collector is equal to Collector voltage squared / twice the power output and the transformation r
- /archives//html/Amps/2000-12/msg00075.html (9,342 bytes)
- 43. [AMPS] Need 01µF Ceramic Disc Ca (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Fri, 22 Dec 2000 20:47:47
- Last time I was there, Radio Shack had them in the 1 Kv flavor. Toll Free _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.
- /archives//html/Amps/2000-12/msg00282.html (6,888 bytes)
- 44. [AMPS] xfmr windings (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Tue, 26 Dec 2000 21:29:52
- I have seen the devices to count the amount of revolutions at some older ACE hardware stores on their wire machines. Some just measured feet, others (rarer) measured amount of turns. Just screw the
- /archives//html/Amps/2000-12/msg00317.html (7,388 bytes)
- 45. [AMPS] Wanted - Scanned transmitting tube data sheets. (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Fri, 29 Dec 2000 17:03:35
- Try www.svetlana.com Already converted to pdf format. Toll Free _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com --
- /archives//html/Amps/2000-12/msg00347.html (7,046 bytes)
- 46. [AMPS] RF Choke (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Thu, 02 Nov 2000 14:24:12 GMT
- A straight piece of strap going from all grid pins to ground is the best bet. Toll Free _________________________________________________________________________ Get Your Private, Free E-mail from M
- /archives//html/Amps/2000-11/msg00020.html (8,211 bytes)
- 47. [AMPS] RF Choke (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Fri, 03 Nov 2000 14:28:33 GMT
- 73, Mauri I4JMY Mauri, It sure does enhance the gain at HF! You saying that floating the grid above AC ground doesn't decrease gain in the HF spectrum? If your statement is correct, my SB220 must be
- /archives//html/Amps/2000-11/msg00040.html (8,958 bytes)
- 48. [AMPS] RF Choke (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Sat, 04 Nov 2000 00:16:59 GMT
- <<snip>> I think what happened to you was probably caused by defective capacitors. 73, Mauri I4JMY Well, in the name of actually learning something, I will pick some caps up at the store next time, a
- /archives//html/Amps/2000-11/msg00047.html (8,639 bytes)
- 49. [AMPS] SB-220 (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Mon, 13 Nov 2000 15:14:31 GMT
- Replacing the stock SB220 fils XFormer makes you have to use a step start circuit on the fils circuit. The original transformer uses a core that saturates at a little over the avg current draw of th
- /archives//html/Amps/2000-11/msg00118.html (7,403 bytes)
- 50. [AMPS] 240VAC Amplifier Wiring (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Wed, 15 Nov 2000 15:31:51 GMT
- The 3CX15000A7 box in use in The Great NorthWest uses 2/0 gauge power wire, directly from the Electric Company service, from the power pole to the transformer taps. Bolted directly to the top of the
- /archives//html/Amps/2000-11/msg00161.html (11,258 bytes)
- 51. [AMPS] TS-440 Relay rating (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Tue, 21 Nov 2000 21:15:29
- I use my TS440SAT to key my Heathkit SB220 with no problems. --Toll Free _____________________________________________________________________________________ Get more from the Web. FREE MSN Explore
- /archives//html/Amps/2000-11/msg00269.html (6,723 bytes)
- 52. [AMPS] Hi Power Connectors (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Mon, 27 Nov 2000 16:22:58
- They work fine on a dual 3CX3000 box here.. Also fine on the single 3CX3000 and the 4CX5K. N's, properly installed, work fine. Although, I am thinking of moving to type C for the next amp project...
- /archives//html/Amps/2000-11/msg00385.html (9,476 bytes)
- 53. [AMPS] Hi Power Connectors (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Mon, 27 Nov 2000 20:21:52
- The dual 3CX3K box is currently operating with one dud tube, just to keep air pressure correct. The second tube needs to be sent to econco for a rebuild. No, it doesn't run at 1500 watts output. That
- /archives//html/Amps/2000-11/msg00388.html (9,810 bytes)
- 54. [AMPS] Hi Power Connectors (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Wed, 29 Nov 2000 15:03:52
- Phil, Phil(s) :) That is my next project, since the Suburban was wrecked. I am going to do a Extended Chevy Van with a smallish V8 in the back. I think I should be able to run about 6 to 8 power supp
- /archives//html/Amps/2000-11/msg00428.html (9,069 bytes)
- 55. [AMPS] Hi Power Connectors (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Wed, 29 Nov 2000 21:23:02
- It wasn't to say that I was going to actually need that much horsepower, but indicative of the Chevy Small Block V8. Typically the 350 comes in 300 or so HP variety. kilowatt with a normal alternato
- /archives//html/Amps/2000-11/msg00437.html (9,831 bytes)
- 56. [AMPS] test -- No activity all day (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Thu, 05 Oct 2000 02:03:37 GMT
- Haven't gotten anything all day, testing.... --Toll Free _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail
- /archives//html/Amps/2000-10/msg00088.html (6,911 bytes)
- 57. SV: [AMPS] SB200 Retrofit (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Fri, 06 Oct 2000 19:45:03 GMT
- As long as it is legally done, I would be more than willing to take and press to CD all the articles... If people want to scan in whatever they have, I can create the CD(s) if people want to email in
- /archives//html/Amps/2000-10/msg00105.html (8,505 bytes)
- 58. [AMPS] MFJ-259B Question (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Wed, 11 Oct 2000 18:41:42 GMT
- Yet another shining example of ham friendliness. _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. S
- /archives//html/Amps/2000-10/msg00183.html (9,575 bytes)
- 59. [AMPS] Seriously big transmitting tube (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Wed, 18 Oct 2000 14:14:11 GMT
- Doug, There was a gentleman selling one here in Houston, Texas a few months back, from VOA. It was crated, still in sealed cartons. I can't recall the price though. Maybe someone a little better at
- /archives//html/Amps/2000-10/msg00460.html (8,037 bytes)
- 60. [AMPS] Portable linear using a DAF? (score: 1)
- Author: da_kang@hotmail.com (Jeff Wolf)
- Date: Sun, 29 Oct 2000 19:17:07 GMT
- Use chassie 500W HyGain did this a number of years ago with a CB / 10 meter amplifier called the "afterburner". It wasn't very popular, since you had to run an "unearthed" station, however, it did w
- /archives//html/Amps/2000-10/msg00660.html (9,815 bytes)
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