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161. [AMPS] DSP & and other curiosities (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 17 Jan 2001 12:16:57 EST; group analog realizable Hi Doug, Just for the history books, I can offer one example of an "analog" FIR. The Reticon (last I heard acquired by EG&G) FIR filters (part no. RT5602, if memory serves thi; /archives//html/Amps/2001-01/msg00419.html (9,310 bytes)
162. [AMPS] DSP & and other curiosities (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 17 Jan 2001 21:49:49 EST; Hello Ian & Tom, I just have couple of comment to interject into the exchange... so not software, least Finite Impulse Response (FIR) filters don't ring in the same sense as a traditional analog filt; /archives//html/Amps/2001-01/msg00442.html (13,657 bytes)
163. [AMPS] FS: Parts that may be of some use in amplifiers (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 17 Jan 2001 22:20:30 EST; ** Coax Connectors ** used Andrews Heliax UHF connectors 1/2" 44AP male $10 ea UG-643 C Female-Female barrel connectors, used $3 ea UG-637 UHF Male to C Female adapters, used $5 ea HN male to N femal; /archives//html/Amps/2001-01/msg00443.html (15,860 bytes)
164. [AMPS] DSP & and other curiosities (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 18 Jan 2001 21:39:16 EST; On Wed, 17 Jan 2001 21:07:52 -0500 "Steve Iezzi" <siezzi@aeronix.com> writes: implemented directly filters Hi Steve, Wellllllll..... you could construct one with a "continuous", rather than sampled,; /archives//html/Amps/2001-01/msg00483.html (9,045 bytes)
165. [AMPS] DSP, RF (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 18 Jan 2001 21:39:16 EST; On Thu, 18 Jan 2001 08:28:10 -0700 "John T. M. Lyles" <jtml@lanl.gov> writes: Hi John & the group, AD was offering that book in real world printed format (softcover) for free, if you just clicked on; /archives//html/Amps/2001-01/msg00484.html (7,443 bytes)
166. [AMPS] Clarification : Using Half the secondary in a plate xfmr (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 19 Jan 2001 12:19:01 EST; Hi Doug, A (typical) transformer will provide its full rated power from 1/2 the secondary winding with the caveat that you'll be exceeding the designed current capacity for that portion of the windin; /archives//html/Amps/2001-01/msg00496.html (8,720 bytes)
167. [AMPS] FS: Coax "Antenna" Relays (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 21 Jan 2001 14:22:48 EST; ** Coax Antenna Relays ** These all have (3) UHF connectors. They are somewhat old looking on the outside but, I popped the inspection port on each and all the contacts are all happy. And they all go; /archives//html/Amps/2001-01/msg00543.html (7,626 bytes)
168. [AMPS] 4-1000a (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 21 Jan 2001 14:46:43 EST; tube, There was an article in 73 Magazine, in the mid '60's, called the "Big Bomb" that used that configuration. One curious point is, that driven from a typical transceiver, the pair of 4-1000's can; /archives//html/Amps/2001-01/msg00545.html (7,663 bytes)
169. [AMPS] FCC & online Auctions (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Wed, 24 Jan 2001 16:20:15 EST; Did someone mention something the other day about the FCC going after on line auctions of questionable radio things? Here is a good starting point: Http//page.auctions.yahoo.com/auction/48826912 How; /archives//html/Amps/2001-01/msg00593.html (8,209 bytes)
170. [AMPS] Low Pass Filter (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 01 Dec 2000 14:58:34 EST; By running the coax through a wad of steel wool inside a mailing tube! 73, Marv WC6W * ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE; /archives//html/Amps/2000-12/msg00018.html (7,464 bytes)
171. [AMPS] SWR Protection (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 01 Dec 2000 14:58:34 EST; Hi Steve, The Microchip PIC 16C7X series approaches that requirement. They can do 8 bit A/D conversions in 2 uS, which should be sufficiently close to simultaneous for a SWR meter application. 73, Ma; /archives//html/Amps/2000-12/msg00019.html (8,793 bytes)
172. [AMPS] Directional coupler design (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 01 Dec 2000 14:58:34 EST; On Thu, 30 Nov 2000 09:48:59 -0700 Dave D'Epagnier <DAVED@ctilidar.com> writes: Hi Dave, I'm afraid they typically don't explain the concept; just parts lists... and sometimes they neglect a curious; /archives//html/Amps/2000-12/msg00020.html (8,855 bytes)
173. [AMPS] SB-220 Glitch Resistor ??? (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 01 Dec 2000 15:07:39 EST; Not sure I've followed this whole thread but.... The best place to connect a glitch resistor would seem to be directly in series with the power supply capacitor. This has the advantage of protecting; /archives//html/Amps/2000-12/msg00022.html (9,317 bytes)
174. [AMPS] Directional coupler design (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 04 Dec 2000 14:55:37 EST; On Sun, 3 Dec 2000 20:34:07 -0500 "Tom Rauch" <w8ji@contesting.com> writes: current, to scale only Hi Tom, The point I was trying to clarify in the "note" is that the signal from the coupler represen; /archives//html/Amps/2000-12/msg00065.html (8,601 bytes)
175. [AMPS] Two Tone 2000 (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 05 Dec 2000 13:41:54 EST; Hello Everyone, It's been about a month since I first posted this topic and I thought I post an update. In response to the suggestions I received from my first posting, I've added a few features, mod; /archives//html/Amps/2000-12/msg00083.html (7,956 bytes)
176. [AMPS] A tuned line problem (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 14 Dec 2000 20:51:36 EST; Hello everyone, I'm looking at putting together a binary proportioned tuneable coaxial line electromechanically adjustable from about 100' down to 6' or (1/4 wave on 160-10 meters) for use in the out; /archives//html/Amps/2000-12/msg00233.html (9,127 bytes)
177. [AMPS] A tuned line problem (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 15 Dec 2000 11:42:21 EST; On Fri, 15 Dec 2000 09:35:13 -0500 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, I actually had all the relays lined up to do it that way but, I need to keep this thing good up at the harmonics a; /archives//html/Amps/2000-12/msg00237.html (9,105 bytes)
178. [AMPS] A tuned line problem (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Fri, 15 Dec 2000 11:42:21 EST; Hi Peter, probably the I have the motors, on hand; I also have the linear actuators for the sliding approach andarranged to That is cute for a single section but how does it transition to the next se; /archives//html/Amps/2000-12/msg00238.html (9,216 bytes)
179. [AMPS] A tuned line problem (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sat, 16 Dec 2000 14:20:06 EST; On Fri, 15 Dec 2000 17:19:49 -0500 "Tom Rauch" <w8ji@contesting.com> writes: I have P&B K10 series relays, which are essentially open frame units with a plastic dust cover, that are about the smalles; /archives//html/Amps/2000-12/msg00245.html (9,192 bytes)
180. [AMPS] Parallel coaxial feedline For 1/2 Characteristic Impedance (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 17 Dec 2000 01:52:37 EST; <snip> 36-Ohms <snip> Hi Billy Yes, that is theoretically correct plus, as you proved, it works fine in the real world too! It's too bad that there isn't an analogous way to connect two cables in "se; /archives//html/Amps/2000-12/msg00255.html (8,083 bytes)

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