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Total 561 documents matching your query.

281. [AMPS] Re: UTC cg-308 transformer used in FW bridge circuit (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sat, 14 Aug 1999 11:20:10 EDT; On Sat, 14 Aug 1999 10:33:28 -0400 "Robert Traister" <dxcc@shentel.net> writes: with a (under the with Hi Bob, Your reservations are correct. The UTC CG-3XX series were designed to operate with the c; /archives//html/Amps/1999-08/msg00259.html (8,397 bytes)
282. [AMPS] Planetary drive source? (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 17 Aug 1999 12:44:06 EDT; HI everyone, Does anyone know of a source for a small gear type planetary reduction drive, with something in the range of a 5 to10 - 1 ratio, capable of transmitting 100 ounce-inch torque (which disq; /archives//html/Amps/1999-08/msg00277.html (7,082 bytes)
283. [AMPS] Maxwell HV caps (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 25 Aug 1999 12:03:54 EDT; to that purposes paint Hi Conrad, Maxwell manufactures both pulse discharge (Laser caps) and continuous rated filter capacitors. The type is usually marked on the label unless the part was made speci; /archives//html/Amps/1999-08/msg00304.html (7,931 bytes)
284. [AMPS] VHF / UHF tubes for sale (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sat, 28 Aug 1999 14:39:58 EDT; ** TUBES ** 4CX250R (Eimac / Amperex) pulls $25 ea or 5 for $100 4CX250F used tested good $20 ea 4CX250FG used tested good $30 (one left) 4CX250K pulls $30 ea 4X150A (mostly Eimac) pulls $5 ea or 5 f; /archives//html/Amps/1999-08/msg00336.html (8,850 bytes)
285. [AMPS] FS: 73, CQ, Ham Radio & IRE Journals (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 12:35:03 EDT; Hi, Some of these references have good info about how to build amplifiers in the "old way". :-) 73 Magazine from late 60 through Early 71 -- These are a couple of issues missing. $50 CQ Magazine from; /archives//html/Amps/1999-07/msg00139.html (7,867 bytes)
286. [AMPS] FS: Vacuum Variables, Vacuum Fixed caps + two Air variables. (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 12:35:03 EDT; ** VACUUM VARIABLES ** Jennings Vacuum Variables -- all used (or at least aged) UCSV-250 250pF 10KV $150 Integral Front Flange + Puller UCS-300 300pF 10KV $125 Integral Front Mounting Flange & typica; /archives//html/Amps/1999-07/msg00140.html (8,219 bytes)
287. [AMPS] FS: Plate transformer & choke & Many Relays (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 12:35:03 EDT; ** HV Parts ** UTC RA-114 plate transformer ... with 4 sets of secondary taps 3500 / 4700 / 6000 / 7000 VCT ... 110 / 120 / 220 / 240 primary ... weighing in at about 100 lbs... plus a 12 henry (30 o; /archives//html/Amps/1999-07/msg00141.html (8,519 bytes)
288. [AMPS] FS: Tubes & Sockets (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 12:35:03 EDT; 4-1000A used ok, Amperex $100 450TL little used Amperex $100 4-400A used tested good $40 ea 3-400Z weak pair $50 4CX250B used good $20 4CX250F used tested good $20 ea 4CX250FG used tested good $30 (o; /archives//html/Amps/1999-07/msg00142.html (8,935 bytes)
289. [AMPS] FS: 1½ Amplifiers 8170, 8171, 450TH' (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 12:35:03 EDT; Hi, These 2 "units" are from a friends estate and may be of interest to someone on the group. I would prefer to sell them as a package but, will consider offers on subsets of the list if I can see th; /archives//html/Amps/1999-07/msg00143.html (12,436 bytes)
290. [AMPS] 4-400 and 4-1000 curves (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 13:38:57 EDT; Hi Bill, I have a curve set for the 4-1000A run by EImac, dated 4/15/59. Unfortunately, it is on faded blueprint paper and I doubt if it would xerox... er... copy very well. Do you have any specific; /archives//html/Amps/1999-07/msg00146.html (7,739 bytes)
291. [AMPS] FS: Large Roller Coils (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 08 Jul 1999 18:30:18 EDT; These are both edgewound ribbon style coils about 1 foot long overall including shafts. They are used but, in good condition. Johnson 226-3-11 13.5uH RCA MI-7493 25uH $100 ea. plus shipping if necess; /archives//html/Amps/1999-07/msg00149.html (7,088 bytes)
292. [AMPS] S units (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 12 Jul 1999 17:40:26 EDT; For what it is worth... here are this morning's measurements, in the S unit department, made on my well aged Kenwood TS-440, with a HP8640B source. I didn't measure S1 as this is almost the resting p; /archives//html/Amps/1999-07/msg00224.html (7,963 bytes)
293. [AMPS] TS-830S mobile ops (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 13 Jul 1999 18:18:39 EDT; run at them. Hi Lane, Try Exel-Tech, hi-power & sine-wave... I think that they are located in Texas but, you will likely find them distributed by an RV supply store. 73, Marv WC6W * _________________; /archives//html/Amps/1999-07/msg00260.html (7,758 bytes)
294. [AMPS] S units (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 13 Jul 1999 18:18:39 EDT; On Tue, 13 Jul 1999 09:13:55 -0400 "Tom Rauch" <w8ji@contesting.com> writes: If not good, at least typical. My ARRL Handbooks from 1976 thru 1990 mention the 6dB grail in the discussion under S-Meter; /archives//html/Amps/1999-07/msg00261.html (8,834 bytes)
295. [AMPS] Power ratings... was: Sweep tube amp (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 26 Jul 1999 14:28:04 EDT; On Mon, 26 Jul 1999 12:06:04 -0400 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, I think that was to conform to the evolving FCC regulations that metamorphosized in a couple of steps, from the tr; /archives//html/Amps/1999-07/msg00477.html (8,674 bytes)
296. [AMPS] Re: Splatter... was: Power ratings (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 26 Jul 1999 20:50:41 EDT; On Mon, 26 Jul 1999 13:37:05 -0700 Rich Measures <measures@vc.net> writes: Hi Rich, Noooooo, I don't think I shall.... and recalling my limited knowledge of the DAF, I think it was more zero bias Cla; /archives//html/Amps/1999-07/msg00491.html (8,531 bytes)
297. [AMPS] Power ratings & efficiencies (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 26 Jul 1999 21:31:19 EDT; On Mon, 26 Jul 1999 15:16:43 -0400 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, I gather that you are alluding to some incarnation of Class D rather than a Class C critter? If you ascribe the sa; /archives//html/Amps/1999-07/msg00492.html (8,848 bytes)
298. [AMPS] In diodes we trust (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 28 Jul 1999 10:29:32 EDT; A data point for the PIV & equalization discussion. A couple weeks ago, on the previous "peak" of this topic, I checked a dozen or so 1N5408's (manufactured by ITT, no date code) just out of curiosit; /archives//html/Amps/1999-07/msg00561.html (8,295 bytes)
299. [AMPS] In diodes we trust (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 28 Jul 1999 13:28:40 EDT; On Wed, 28 Jul 1999 12:03:21 -0400 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, WIth a bipolar pulse generator (or something equivalent*) that can drive the diode with low duty cycle pulses at 3; /archives//html/Amps/1999-07/msg00570.html (9,508 bytes)
300. [AMPS] In diodes we trust (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 28 Jul 1999 20:14:34 EDT; On Wed, 28 Jul 1999 15:35:10 -0400 "Tom Rauch" <w8ji@contesting.com> writes: 60 Hz supply. Hi Tom, Well, in a (un-equalized) series string the fastest (recovery) diode will take the entire inverse vo; /archives//html/Amps/1999-07/msg00591.html (10,041 bytes)

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