- 1. [Amps] Preparation for Amp construction (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Wed Jul 2 07:57:21 2003
- Part of my set up work before starting construction of the 4-1000A amplifier has been to get the proper instrumentation assembled and ready for warfare. Today I got a grid dip meter that I purchased
- /archives//html/Amps/2003-07/msg00005.html (8,175 bytes)
- 2. [Amps] Preparation for Amp construction (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Thu Jul 3 09:09:33 2003
- Then, "Measurements" is the name of the company??? Yes, it is the model 59 I think if I smooth off the end of the shaft and drill a small hole in it to accept a screw "stud" and then put another shor
- /archives//html/Amps/2003-07/msg00016.html (7,782 bytes)
- 3. [Amps] Watt meter (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sat Jul 19 08:08:13 2003
- Still accumulating instrumentation for my 4-1000A Linear project, I have acquired a US Navy AN/URM-120 SWR/Watt meter manufactured by Sierra Electronics Company of Menlo Park,CA. It came with all the
- /archives//html/Amps/2003-07/msg00099.html (6,485 bytes)
- 4. [Amps] need some stuff (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Wed Jul 23 09:16:00 2003
- I am still finishing up the final gathering of "stuff" for my 4-1000A amplifier and I still need a couple of items. Any help in finding them would be greatly appreciated. 1.) I am trying to match the
- /archives//html/Amps/2003-07/msg00125.html (8,339 bytes)
- 5. [Amps] Anode clearance and Chassis WANTED (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sun Jun 15 09:21:01 2003
- I am building a 4-1000A linear and will have 4KV on the anode. What is the MINIMUM clearance I must have from the anode to the top of the metal cabinet? It looks like it will be about 1" in my presen
- /archives//html/Amps/2003-06/msg00097.html (7,391 bytes)
- 6. [Amps] Anode clearance and Chassis WANTED (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Mon Jun 16 08:16:10 2003
- The air flow is not a problem as the lid is perforated (Collins S-Line style enclosure) and all the circitry EXCEPT for the HV lead to the annode is much lower in the chassis. Thanks for the input.
- /archives//html/Amps/2003-06/msg00103.html (8,929 bytes)
- 7. [Amps] Power supply design considerations (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Mon Jun 30 07:19:29 2003
- I am still working on the 4-1000A amplifier design and have decided to separate the PS from the RF chassis. I still don't have my HV transformer but I am thinking that it will be too big to get into
- /archives//html/Amps/2003-06/msg00238.html (7,305 bytes)
- 8. [Amps] A new hombrew from old parts (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Thu May 22 09:49:16 2003
- Where I am: I am just about through collecting parts for my "new" 4-1000A linear. All the parts have been collected from various "junk boxes" and have been previously used...except the tube itself wh
- /archives//html/Amps/2003-05/msg00160.html (9,092 bytes)
- 9. [Amps] 4-1000A Operating position (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Wed May 28 09:31:04 2003
- Can a 4-1000A be operated on its side? With air flow of course. I have the full socket and chimney set up but my chassis is only 6.5 Inches high so the chimney would just fit if the tube could operat
- /archives//html/Amps/2003-05/msg00210.html (6,698 bytes)
- 10. [Amps] Power Transformer (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Wed May 28 09:31:10 2003
- I am interested in winding my plate transformer for a 4-1000A to be used at 4-5Kv. I have two large transformers out of a UPS the I can disassemble and re wind. They are laminated iron cores and were
- /archives//html/Amps/2003-05/msg00211.html (7,431 bytes)
- 11. [Amps] WTB or WTT Mounting Hardware to mount 4-1000A (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Fri Apr 11 20:16:07 2003
- I am looking for a socket, chimney and other mounting hardware to mount a 4-1000A in a soon to be built Linear.
- /archives//html/Amps/2003-04/msg00120.html (7,335 bytes)
- 12. [Amps] 4-1000A Transmitting tube (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sat Apr 12 15:05:44 2003
- I just acquired a 4-1000A and am wondering about its history. It came in an Eimac carton and looks like it is unused as there is NO discoloration of the glass and the plates are a light gray in color
- /archives//html/Amps/2003-04/msg00122.html (6,669 bytes)
- 13. [Amps] Linear Amp (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sat Mar 22 23:18:03 2003
- Hello everyone. I am new to the list as I was just directed to it by a friend who knew that I was designing a linear amp for my S-Line. Jim W5JAI
- /archives//html/Amps/2003-03/msg00784.html (6,083 bytes)
- 14. [Amps] 833A in linear for SSB (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sun Mar 23 13:32:18 2003
- I am new to the list so maybe this is a subject that has been heavily covered, if so please direct me to the resources. I am trying to come up with a project to interest my grandson in ham radio so t
- /archives//html/Amps/2003-03/msg00795.html (7,815 bytes)
- 15. [Amps] Heathkit SB-220/221 HV Transformer (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sat Aug 2 17:17:54 2003
- Sounds like the PO told me a fib on the output capability of the transformer and now I have a Heathkit SB220/221 HV transformer for sale. Oh well I can use it to power a pair for 833s for an AM amp f
- /archives//html/Amps/2002-09/msg00296.html (7,808 bytes)
- 16. [Amps] Heathkit SB-220/221 HV Transformer (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Sun Aug 3 08:37:32 2003
- Well, yes, maybe, after all it is running SSB which is a low duty cycle. Probably not in AM mode or Key down.
- /archives//html/Amps/2002-09/msg00306.html (8,029 bytes)
- 17. [Amps] Heathkit SB-220/221 HV Transformer (score: 179)
- Author: millenniumfalcon at cableone.net (Jim Isbell)
- Date: Fri Aug 1 07:50:41 2003
- I have just acquired the above referenced transformer and plan to use it to power my 4-1000A in a grounded grid circuit using an S-line (100 watts) for an exciter. The PO stated that it would provide
- /archives//html/Amps/2002-09/msg00413.html (7,750 bytes)
This search system is powered by
Namazu