| Author |
Message |
    
Buck
| | Posted on Monday, October 21, 2002 - 9:37 pm: | 
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Posted in the "Ask the tech"... and didnt get a response, so maybe more people will see it here. Installed a Model N Expo Kit in my base. Only one side of the expo kit works, I got the installation instructions from the internet and followed them to a T except for step 2 of the clarifier part I didnt get any kind of choke with my expo kit...What do I need and where can I find it???? also it calls for a Varactor diode where can I get one of these??? also I do not have any TX now...When I key up I can still hear the RX while I am keyed up. The PA works fine. so I know its not the mic. I desperately need HELP!!!!!
Thanks
Buck |
sonoma
| | Posted on Monday, October 21, 2002 - 10:34 pm: |
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A friend of mine has a cb shop I will ask him tuesday |
Buck
| | Posted on Tuesday, October 22, 2002 - 6:02 am: |
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Thanks sonoma |
Sonoma
| | Posted on Tuesday, October 22, 2002 - 7:24 pm: |
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he said the vco could be out of adjustment and the radio will not cover all the bands with out a fine tune.he said the sheet of paper that came with it has a phone number you can call for help.he said since parts were missing and you did not have instructions with it that is the best thing to do. |
307
| | Posted on Tuesday, October 22, 2002 - 9:34 pm: |
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The choke and varactor are needed to complete the installation that will allow enough "swing" of the VCO to operate. The varactor and choke can be bought a Rad Shack..Also , the VCO will NOT lock IF the wires are two long and if they are NOT twisited together very tightly. An "N" kit requires a lot of alignment as well to "bring in" the extra channels...Just like the "A" kit...
307 |
Bigbob
| | Posted on Tuesday, October 22, 2002 - 9:49 pm: |
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Yes step 2 must be completed to get it to track tx,unless you have a continuous readout remote freq. counter,have a tech realign it,he may even have a choke that will work. |
Buck
| | Posted on Wednesday, October 23, 2002 - 9:50 pm: |
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hey 307.....Im headed to rad shack this weekend I was just wondering what size diode and varactor to get??? any suggestions |
Jyd
| | Posted on Wednesday, October 23, 2002 - 11:06 pm: |
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i posted channel mods,power mods,and more.i will post this again if you want.you really dont need the expo kit to get freqs.let me know. |
Buck
| | Posted on Thursday, October 24, 2002 - 12:12 pm: |
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Jyd....I do still have a copy of the mods and stuff you sent me....I thought the expo kit would be an easier way to get the channels but now im not too sure....Im going to try to finish the expo kit and see how it works if I can figure out what parts I need....If it dosent work Im going to take it out and replace the PLL... where can I find a upd2816??
thanks
buck |
Buck
| | Posted on Saturday, October 26, 2002 - 6:32 am: |
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anyone??? |
Tech808
| | Posted on Saturday, October 26, 2002 - 9:38 am: |
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Buck,
If you have access to old junk radios you can look in Cobra and Uniden radios Uniden pc76 & 78 have the 2816 chip.
If you cannot find one and still want / Need one send me an e-mail.
Lon
tech808
Tech808@copperelectronics.com |
Buck
| | Posted on Saturday, October 26, 2002 - 6:56 pm: |
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thanks 808....does anyone know what the specs of the varactor diode and the rf choke I need for the N expo kit??? |
Adshar64
| | Posted on Saturday, May 24, 2003 - 6:33 am: |
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Sounds to me like the choke and varactor are for the vxo (clarifier) mod not the vco operation. vco varactor mods do not involve chokes normally in my experience. |
