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#1
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Hello all,
I have the schematic for this altoids project but there is no parts list that I can find. I can build them but getting parts is different. My last project was a rockmite 20. I was successful but this project is only by schematic. If anyone knows anything about this thing, can you help me out. I have a feeling once I get started, I may have quite a few questions. Is a relay a relay a relay? K1 is a relay but does it have to be what he suggests? I will probably get that relay but I am trying to learn as well. Thanks so much. -- 73 G. Doughty ki4bbl AT cox DOT net |
#2
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Also,
I am looking now at digi-key.com and am wondering, how many watt resistors I will need. Wow, a lot to learn. Thanks "G. Doughty" wrote in message news:TwD5d.383$TY2.2@lakeread04... Hello all, I have the schematic for this altoids project but there is no parts list that I can find. I can build them but getting parts is different. My last project was a rockmite 20. I was successful but this project is only by schematic. If anyone knows anything about this thing, can you help me out. I have a feeling once I get started, I may have quite a few questions. Is a relay a relay a relay? K1 is a relay but does it have to be what he suggests? I will probably get that relay but I am trying to learn as well. Thanks so much. -- 73 G. Doughty ki4bbl AT cox DOT net |
#3
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G. Doughty wrote:
Hello all, I have the schematic for this altoids project but there is no parts list that I can find. I can build them but getting parts is different. My last project was a rockmite 20. I was successful but this project is only by schematic. If anyone knows anything about this thing, can you help me out. I have a feeling once I get started, I may have quite a few questions. Is a relay a relay a relay? K1 is a relay but does it have to be what he suggests? I will probably get that relay but I am trying to learn as well. Thanks so much. -- 73 G. Doughty ki4bbl AT cox DOT net All relays are not the same. If the adapter is the one shown at http://www.qsl.net/n5ib/page2.html then it is a 2 pole 12 volt relay. You should use the one he used, until you are comfortable that you know enough to figure out a different one. A different relay is a good idea, as the circuit uses power from the htx 10 and the relay consumes most of it. A different relay that uses less power would be a better choice. The one on the web site uses ..72 watts. But, since you did not post a reference to the schematic, we can only guess that it is the one at the site mentioned above. Next time, post a url where we can see the schematic you are using. On your question about resistors - 1/4 watt will be fine. |
#4
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G. Doughty wrote:
Hello all, I have the schematic for this altoids project but there is no parts list that I can find. I can build them but getting parts is different. My last project was a rockmite 20. I was successful but this project is only by schematic. If anyone knows anything about this thing, can you help me out. I have a feeling once I get started, I may have quite a few questions. Is a relay a relay a relay? K1 is a relay but does it have to be what he suggests? I will probably get that relay but I am trying to learn as well. Thanks so much. -- 73 G. Doughty ki4bbl AT cox DOT net Here is a link to a PDF file that came from QRP Quarterly. I think it's the mod you are talking about and explains all the parts. http://www.qrparci.org/p28.PDF -- Martin Meserve - K7MEM http://www.k7mem.150m.com |
#5
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Use K1 as specified, and order 1/4w resistors.
K1 is Digikey Part 255-1002-ND - Mouser may have them for less $$ (Aromat TQ2E-12V) For NPN's use 2N2222A or equiv. (TP2222, PN2222A, etc) For PNP I'd use 2N2907's as they are a little more sturdy than the 2N3906 There is no side tone generated with this mod. 73 de KB9BVN Let us know how it turns out! Have fun! "G. Doughty" wrote in message news:TwD5d.383$TY2.2@lakeread04... Hello all, I have the schematic for this altoids project but there is no parts list that I can find. I can build them but getting parts is different. My last project was a rockmite 20. I was successful but this project is only by schematic. If anyone knows anything about this thing, can you help me out. I have a feeling once I get started, I may have quite a few questions. Is a relay a relay a relay? K1 is a relay but does it have to be what he suggests? I will probably get that relay but I am trying to learn as well. Thanks so much. -- 73 G. Doughty ki4bbl AT cox DOT net |
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