Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Tuned\s+input\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Tuned\s+input\s*$/: 70 ]

Total 70 documents matching your query.

1. [Amps] Tuned Input (score: 1): Author: edw3nr at nexband.com (Ed); Date: Sun Mar 9 17:51:37 2003; I want to make sure I am right here. Tune the input for best SWR and maximum Grid current or ????????? ...........73 Ed W3NR -- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system; /archives//html/Amps/2003-03/msg00398.html (6,963 bytes)
2. [Amps] Tuned Input (score: 1): Author: 2 at vc.net (rlm); Date: Sun Mar 9 19:10:56 2003; ** Yes, provided the minimum is under 1.2 to 1. If it's not, the Q of the tuned input needs to be pumped up, ** Tune for max RF out with whatever drive level produces the rated max anode current. Ma; /archives//html/Amps/2003-03/msg00401.html (7,186 bytes)
3. [Amps] Tuned Input (score: 1): Author: w8ji at contesting.com (Tom Rauch); Date: Sun Mar 9 19:16:55 2003; maximum Best SWR. The input should be a low-pass CLC Pi-network, or have other shunt C at the output that provides a very low impedance at the harmonics of the drive frequency to the tube cathode. Ot; /archives//html/Amps/2003-03/msg00405.html (7,245 bytes)
4. [Amps] Tuned Input (score: 1): Author: WD8JJA at arrl.net (Davis_R); Date: Mon Mar 10 10:09:20 2003; Hmmm, 'minimum is under 1.2 to 1' ? that makes me wonder -- 1.2 to 1 seems pretty tight, what would the VSWR bandwidth be? Makes me ask a question -- I have an FL-2100B, I bought it used and it seems; /archives//html/Amps/2003-03/msg00423.html (8,616 bytes)
5. [Amps] Tuned Input (score: 1): Author: 2 at vc.net (rlm); Date: Mon Mar 10 10:48:17 2003; ** beats me but some solid-state transceivers begin to throttle back c. 1.2:1. ** Increase the Q of the tuned input by increasing C-in, C-out, and decreasing L. For 20m, a C-in of c. 390pF should do; /archives//html/Amps/2003-03/msg00425.html (9,531 bytes)
6. [Amps] Tuned Input (score: 1): Author: WD8JJA at arrl.net (Davis_R); Date: Mon Mar 10 11:41:36 2003; The schematic calls the input Cap for 20 350pF, I supposeits value could have changed over the years, assuming it was correct to begin with. Thanks. seems m any both max; /archives//html/Amps/2003-03/msg00428.html (10,512 bytes)
7. [Amps] Tuned Input (score: 1): Author: 2 at vc.net (rlm); Date: Mon Mar 10 12:41:13 2003; ur welcome. 350 for C-in should not be that bad. To change the matching ratio of a Pi, at least two reactances need to be adj. - R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, www.vcnet.com/meas; /archives//html/Amps/2003-03/msg00430.html (11,385 bytes)
8. [Amps] Tuned Input (score: 1): Author: oz1pif at get2net.dk (Peter Frenning, OZ1PIF); Date: Mon Mar 10 16:23:21 2003; Hi Rick, That's about par for the course for this amp - remember , it's old enough that transistor finals were not very common, or even non-existant. Take a look at my homepage, there is a descriptio; /archives//html/Amps/2003-03/msg00440.html (10,146 bytes)
9. [Amps] Tuned input (score: 1): Author: kx9dx at juno.com (kx9dx@juno.com); Date: Mon Jan 27 08:33:00 2003; Hello I'm in need of a external tuned input to go between my TS 930 and my 4-1000 amp I just picked up,Please note the 930 has no antenna tuner and I don't want to use such a tuner between the rig an; /archives//html/Amps/2003-01/msg00240.html (6,278 bytes)
10. [AMPS] Tuned input (score: 1): Author: Km8i@aol.com (Km8i@aol.com); Date: Mon, 09 Jul 2001 13:09:16 EDT; A friend of mine recently purchased a Dentron MLA-2500. In the archives I noticed some one had asked about this amp before, but I could not find the answer to this question. Since the MLA-2500 does n; /archives//html/Amps/2001-07/msg00117.html (7,298 bytes)
11. [AMPS] Tuned input (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 9 Jul 2001 12:26:44 -0500; Here is what the manual says: Maximum drive power: 150 watts Grid current, never exceed: 200 ma If plate current exceeds 1 amp, it will be impossible to see a dip when tuning. Tune for maximum power; /archives//html/Amps/2001-07/msg00118.html (8,471 bytes)
12. [AMPS] Tuned input (score: 1): Author: k7fm@teleport.com (Colin Lamb); Date: Mon, 9 Jul 2001 12:49:45 -0700; Hi Jan: In a cathode driven amplifier, there are significant reasons to use a tuned input. First, less drive is required. Secondly, there is a slight decrease in distortion products (3 to 5 db typica; /archives//html/Amps/2001-07/msg00120.html (8,033 bytes)
13. [AMPS] Tuned input (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 9 Jul 2001 22:12:40 -0400; There is a fourth reason. Efficiency is more predictable because the input, which is rich in harmonics, can be bypassed to ground at harmonics. This ensures decent efficiency when the network is des; /archives//html/Amps/2001-07/msg00123.html (8,037 bytes)
14. [AMPS] Tuned input (score: 1): Author: k7fm@teleport.com (Lamb); Date: Mon, 9 Jul 2001 20:26:01 -0700; "This requires a network close to the tube with a low impedance presented to the tube at high frequencies (a "T " won't do the job, and neither will a network some distance from the amplifier)." In a; /archives//html/Amps/2001-07/msg00124.html (8,652 bytes)
15. [AMPS] Tuned input (score: 1): Author: wd7s@arrl.net (Paul Hewitt); Date: Mon, 9 Jul 2001 21:06:57 -0700; Doesn't the Alpha 89 use a remotely switched input network with 25 ohm connecting coax? Paul Paul Hewitt WD7S PRODUCTIONS QRO HOMEBREW COMPONENTS http://wd7s.home.att.net http://www.contesting.com/FA; /archives//html/Amps/2001-07/msg00128.html (9,527 bytes)
16. Fwd: [AMPS] Tuned input (score: 1): Author: ToddRoberts2001@aol.com (ToddRoberts2001@aol.com); Date: Fri, 13 Jul 2001 08:16:58 EDT; --part1_e.f83f519.288040ba_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Jim, I ran into a similar problem with a Dentron DTR-2000L linear amplifier. The DTR-2; /archives//html/Amps/2001-07/msg00160.html (10,438 bytes)
17. [AMPS] Tuned Input (score: 1): Author: w3nr@vol.com (Ed W3NR); Date: Fri, 10 Nov 2000 17:39:53 -0500; Anyone have a junker Amp Supply or Dentron that is willing to part with the tuned input ?? If so lemme know.... Thanks...73 Ed W3NR -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps; /archives//html/Amps/2000-11/msg00102.html (6,740 bytes)
18. [AMPS] Tuned Input (score: 1): Author: w3nr@vol.com (Ed-W3NR); Date: Sat, 18 Nov 2000 15:50:34 -0500; I need some help with the tuned input for 4 811A's. I am using the National 3/8" red core tunable cores for the L. Fixed values for the C. I tried to copy what Collins did in the 30L1, not much luck.; /archives//html/Amps/2000-11/msg00212.html (7,338 bytes)
19. [AMPS] Tuned Input (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sat, 18 Nov 2000 15:10:29 -0600; Almost impossible to do with the MFJ. I start out with the values in the chart in the ARRL Handbook or Orr's Handbook to get me in the ballpark. Then the amp must be fired up and the input tuned for; /archives//html/Amps/2000-11/msg00213.html (8,437 bytes)
20. [AMPS] Tuned Input (score: 1): Author: 2@vc.net (measures); Date: Sat, 18 Nov 2000 16:14:23 -0800; Amen to that, Phil. So is every other g-g amp that is driven by a radio with a Chenbyshev filter. cheers, Phil - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesti; /archives//html/Amps/2000-11/msg00215.html (8,785 bytes)

Current List: 1 - 20
Page: [1] [2] [3] [4]