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Total 12 documents matching your query.

1. [AMPS] 1K For QBL5/3500 (score: 1)
Author: (Firson Maryutenli)
Date: Wed, 03 Jan 2001 10:47:33 +0700
Dear Amps expert, I want to have only 1000 watt output and approx. 1000 watt plate disipation for Philips QBL5/3500 with plate voltage 2500 volt in grounded grid circuit, is it possible ???, and what
/archives//html/Amps/2001-01/msg00081.html (6,740 bytes)

2. [AMPS] Drive for 2x4-400A GG (score: 1)
Author: (Firson Maryutenli)
Date: Thu, 16 Nov 2000 14:55:07 JAVT
Hi All, Now I currently building Amplifier for SSB 80 meter band using two Eimac 4-400A tube in Grounded Grid Mode. I got problem from my tranceiver that is not enough power for driving this amplifie
/archives//html/Amps/2000-11/msg00174.html (7,425 bytes)

3. [AMPS] Drive for 4xRS1007 (score: 1)
Author: (Firson Maryutenli)
Date: Tue, 10 Oct 2000 15:14:38 JAVT
I have plan to build Amplifier for SSB using 4 x RS1007 tube (same with 4-125A or QB3/300). It will be employed in AB1 with 600 volt in screen and 2500 volt in plate and using passive Grid with 50 oh
/archives//html/Amps/2000-10/msg00164.html (7,258 bytes)

4. [AMPS] FS. Philips QBL5/3500 (score: 1)
Author: (Firson Maryutenli)
Date: Fri, 13 Oct 2000 18:49:07 JAVT
I have five unit Philips QBL5/3500 New Tube Old Stock, withaout box, because this box has been destroy in inventory. I want to sell it only US$ 100,- for each tube, this price does not include delive
/archives//html/Amps/2000-10/msg00272.html (7,088 bytes)

5. [AMPS] QB2/250 Vs 813 (score: 1)
Author: (Firson Maryutenli)
Date: Mon, 16 Oct 2000 15:53:43 JAVT
I have one Philips QB2/250, it look same with 813. Is QB2/250 equivalent with 813 ???. Firson - YD1BIH _________________________________________________________________________ Get Your Private, Free
/archives//html/Amps/2000-10/msg00363.html (6,716 bytes)

6. [AMPS] getters (score: 1)
Author: (Firson Maryutenli)
Date: Wed, 18 Oct 2000 13:35:28 JAVT
My experience with various kind and various brand of 6146B, some times spike happen in the tube when you suddenly power up, especially with old tube. But it rarely happen when you warm up filamen for
/archives//html/Amps/2000-10/msg00458.html (9,549 bytes)

7. [AMPS] Bias for Triode (score: 1)
Author: (Firson Maryutenli)
Date: Fri, 20 Oct 2000 14:21:14 JAVT
How to set class operation either AB1 or AB2 for power tube triode, so in triode plate current directly determine by plate voltage. Should I keep the anode voltage regulated, and bias will be diffren
/archives//html/Amps/2000-10/msg00485.html (7,414 bytes)

8. [AMPS] Bias for Triode (score: 1)
Author: (Firson Maryutenli)
Date: Fri, 20 Oct 2000 17:59:37 JAVT
To: <> -- In old ARRL Handbook (1969), in chapter Triode Transmitting tube Datasheet still have 304TL employing for AB1. -- _______________________________________________________
/archives//html/Amps/2000-10/msg00488.html (9,615 bytes)

9. [AMPS] G2DAF Amps Circuit (score: 1)
Author: (Firson Maryutenli)
Date: Mon, 23 Oct 2000 11:40:43 JAVT
I was interested for G2DAF Amps Circuit, so what kind of Diode should be used to replace that vacum tube diode. Thanks in advance Firson - YD1BIH _____________________________________________________
/archives//html/Amps/2000-10/msg00509.html (6,930 bytes)

10. [AMPS] PushPull (score: 1)
Author: (Firson, YD1BIH)
Date: Tue, 25 Jul 2000 14:13:51 JAVT
Some friend told me that runing tube on pushpull will be give bigger power than parallel (for two tube). I don't really understand, could anybody here give some explanation. de Firson - YD1BIH ______
/archives//html/Amps/2000-07/msg00148.html (7,087 bytes)

11. [AMPS] Power Limit (score: 1)
Author: (Firson, YD1BIH)
Date: Thu, 27 Jul 2000 14:00:27 JAVT
In my country (Indonesia) permitted power limit for High Frequencies are 10 watt for "Siaga", 100 watt for "Penggalang", and 500 watt for "Penegak". Almost amateur here hold licences as "Siaga" (my b
/archives//html/Amps/2000-07/msg00172.html (7,127 bytes)

12. [AMPS] DC Output (score: 1)
Author: (Firson, YD1BIH)
Date: Mon, 31 Jul 2000 12:52:23 JAVT
I have Transformer 1880 volt with max current 0.5A, When we calculate max output power that is 1880 x 0.5 = 940 watt AC. When I make HV Power supply with bridge diode and capasitor. The DC output wil
/archives//html/Amps/2000-07/msg00217.html (7,193 bytes)

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