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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+3\-1000Z\s+Filament\s+Voltage\s+Question\s*$/: 12 ]

Total 12 documents matching your query.

1. [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: "Dennis Sokol " <dajs@accnorwalk.com>
Date: Fri, 18 Feb 2005 16:51:14 -0500
I have a BTI LK-2000 using a 3-1000Z operating on 160. I can get 1250 watts out with 2700 volts and 750 ma key down. The tube seems to be limited in current draw. I have seen more power out at a diff
/archives//html/Amps/2005-02/msg00584.html (7,063 bytes)

2. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: Joe Isabella <n3ji@yahoo.com>
Date: Fri, 18 Feb 2005 18:17:09 -0800 (PST)
It's most likely the greater plate voltage causing the higher output, not the .04V of fil V. I run my 3-500s at ~4.9 V with almost 4000V on the plates and I get 2kW+ with 110W drive. I wouldn't fool
/archives//html/Amps/2005-02/msg00588.html (8,055 bytes)

3. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: TexasRF@aol.com
Date: Sat, 19 Feb 2005 01:47:47 EST
With the 2700v/750ma you are getting almost 62% efficiency not counting feed through power. That is right in the ballpark of what would be expected. A lot of linear amps are not this good! How did th
/archives//html/Amps/2005-02/msg00591.html (6,878 bytes)

4. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: Gary Schafer <garyschafer@comcast.net>
Date: Sat, 19 Feb 2005 14:14:35 -0500
Your meter calibration is probably off that far unless you have a very good one. 73 Gary K4FMX _______________________________________________ Amps mailing list Amps@contesting.com http://lists.conte
/archives//html/Amps/2005-02/msg00600.html (8,829 bytes)

5. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: Jan Erik Holm <sm2ekm@telia.com>
Date: Sat, 19 Feb 2005 20:31:24 +0100
0.007 percent out of spec. Measured on what? When was your instrument calibrated last time? 73 SM2EKM -- _______________________________________________ Amps mailing list Amps@contesting.com http://l
/archives//html/Amps/2005-02/msg00601.html (8,594 bytes)

6. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: David Kirkby <david.kirkby@onetel.net>
Date: Sat, 19 Feb 2005 19:45:01 +0000
Well if the anode voltage is higher, you will expect that, even if you had the best stabilised heater supply in the world. I doubt it the filament voltage, but the plate voltage that is changing your
/archives//html/Amps/2005-02/msg00602.html (9,783 bytes)

7. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: R.Measures <r@somis.org>
Date: Sun, 20 Feb 2005 02:12:53 -0800
Possibly, but 7.08v is definitely low for a 7.5v filament. Richard L. Measures, AG6K, 805.386.3734. www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com
/archives//html/Amps/2005-02/msg00610.html (9,431 bytes)

8. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: "N7HIY" <N7HIY@comcast.net>
Date: Sun, 20 Feb 2005 07:31:05 -0800
take a 220v line measurement twice a day for a week and record at peak demand and low demand periods...look at max and min...may surprise you..definitely do not want to go high on the filament voltag
/archives//html/Amps/2005-02/msg00619.html (11,116 bytes)

9. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: Tomm Aldridge <KD7QAE@ARRL.NET>
Date: Sun, 20 Feb 2005 16:06:06 +0000
'cept by then all broadcast stations will be in orbit... _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2005-02/msg00620.html (12,113 bytes)

10. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: "Dennis" <pegasus@mho.net>
Date: Sun, 20 Feb 2005 10:06:21 -0700 (MST)
Hello Dennis.. I&acute;m not sure you&acute;re getting actual answers to your questions on here so far. Yes, excessively low filament voltage will result in low power output. It&acute;s not particula
/archives//html/Amps/2005-02/msg00621.html (14,104 bytes)

11. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: "Dr. William J. Schmidt, II" <bill@wjschmidt.com>
Date: Sun, 20 Feb 2005 12:42:39 -0600
A plate voltage of 2700V is a bit low to make any serious power with a 3-1000Z. 3500V is a better place for it to run. Maybe try the 208 VAC tap? Sincerely, Dr. William J. Schmidt, II K9HZ Trustee of
/archives//html/Amps/2005-02/msg00627.html (15,624 bytes)

12. Re: [Amps] 3-1000Z Filament Voltage Question (score: 1)
Author: David Kirkby <david.kirkby@onetel.net>
Date: Mon, 21 Feb 2005 19:26:40 +0000
Densis, I hope you don't mind me putting my reply to your private email on the mailing list, but there is nothing confidential in it and your mail server is blocking my IP address. I had this happen
/archives//html/Amps/2005-02/msg00653.html (12,367 bytes)


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