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Total 11 documents matching your query.

1. [AMPS] 4CX350A (score: 1): Author: gclute@home.com (George L. Clute); Date: Sat, 21 Apr 2001 22:33:26 -0700; Would it be practical to put (3) 4CX350A's in parallel, or would the plate capacitance be too great to resonate on 75 thru 6 meters. Has anyone out there accomplished this feat? George Clute - W7LFD; /archives//html/Amps/2001-04/msg00461.html (8,116 bytes)
2. [AMPS] 4CX350A (score: 1): Author: 2@vc.net (measures); Date: Sun, 22 Apr 2001 09:33:50 -0700; I have seen as many as 10 tubes in parallel. C is not much of an issue because each tube that is added means more C-tune is needed. cheers - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ; /archives//html/Amps/2001-04/msg00465.html (7,674 bytes)
3. [AMPS] 4CX350A (score: 1): Author: 2@vc.net (measures); Date: Sun, 22 Apr 2001 17:37:09 -0700; They were used as the broadband 75MHz vertical amplifier in a Tektronix oscilloscope. cheers, George - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ; /archives//html/Amps/2001-04/msg00475.html (8,703 bytes)
4. [AMPS] 4CX350A (score: 1): Author: 2@vc.net (measures); Date: Sun, 22 Apr 2001 20:55:09 -0700; ? I did not say what kind of tubes were employed. ? Not exactly. The first two numbers were 54__. cheers, Phil - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesti; /archives//html/Amps/2001-04/msg00484.html (8,950 bytes)
5. Fwd: [AMPS] 4CX350A (score: 1): Author: Dfmich@aol.com (Dfmich@aol.com); Date: Mon, 23 Apr 2001 00:14:22 EDT; --part1_b2.146700bb.2815061e_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Gents One would have to look at all the gory details to nail this down but I am will; /archives//html/Amps/2001-04/msg00486.html (11,010 bytes)
6. [AMPS] 4CX350A (score: 1): Author: wb4mnf@atl.org (Bob Duckworth); Date: Mon, 23 Apr 2001 07:17:10 -0400; DanYou are correct. Tek employed a distributed amp as well as some of the early RADAR gear. One needs hip boots around here at times :-) -bob -- ... distributed ... -- FAQ on WWW: http://www.contesti; /archives//html/Amps/2001-04/msg00488.html (7,684 bytes)
7. [AMPS] 4CX350A (score: 1): Author: gclute@home.com (George L. Clute); Date: Mon, 23 Apr 2001 09:13:10 -0700; I should have qualified my question...i.e. running a typical operation of 2000 to 2500 DC plate voltage under 250 Mhz in Class AB1 configuration. Has anyone constructed three 4CX350A's or 4CX300A's i; /archives//html/Amps/2001-04/msg00496.html (8,805 bytes)
8. [AMPS] 4CX350A (score: 1): Author: 2@vc.net (measures); Date: Mon, 23 Apr 2001 10:02:52 -0700; ? add another tube, current increases, RL decreases and C-tune needs to increase in order to maintain design Q. / / . I saw 2, 4CX350As that ran 2500v @ 600mA . P-out was c. 900w pep. - Rich..., 805; /archives//html/Amps/2001-04/msg00498.html (9,812 bytes)
9. [AMPS] 4CX350A (score: 1): Author: chg@logicio.com (Carsten Groen); Date: Mon, 23 Apr 2001 20:04:32 +0200; I have used a amp based on 3 times 4CX350A on 2M moonbounce for several years. The construction was originally from YU1AW, and was shown in UKW-Berichte, using a stripline configuration. I ran the am; /archives//html/Amps/2001-04/msg00501.html (10,076 bytes)
10. [AMPS] 4CX350A (score: 1): Author: gclute@home.com (George L. Clute); Date: Mon, 23 Apr 2001 11:25:42 -0700; Some rather sage advice was provided me about building a three holer with 4CX350A's and I'm convinced that a single Triode in grounded grid would be a much better solution. Having the tubes and the s; /archives//html/Amps/2001-04/msg00502.html (7,691 bytes)
11. [AMPS] 4CX350A (score: 1): Author: RMcGraw@InfoAve.Net (Bob & Linda McGraw K4TAX); Date: Tue, 24 Apr 2001 06:51:01 -0700; George: There is a fine article in THE VHF/UHF DX BOOK publlished by RGSB which details a pair of 4CX250B's used in parallel for 432 MHz. This amplifier is known as the K2RIW power amp. The 4CX300A's; /archives//html/Amps/2001-04/msg00512.html (10,028 bytes)

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