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Recent content by rainmaker

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    cobra 148 mosfet irf 520

    148 no voltage @ tp7&8 it was working but it had 2 2166's it and i wanted to up grade my radio. now i half to find why ive lost voltage at this point.
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    cobra 148 mosfet irf 520

    I allredy replaced tr 41 on my first thought and 42 to this morning. no change. so whare to proceed to next.
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    cobra 148 mosfet irf 520

    148 insolators yup i installed new ones to be safe. this is one of the new 4 pin 148's same but diferent. I have 14 volts at idle @ tp 7 & 8 and checked d44 still no am power but i do have ssp power. only 15w. pep.
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    cobra 148 mosfet irf 520

    cobra 148 that the same set up i looked at for the mod. i just used the 520s insted of the 2030s i went back and checked my work and replaced one of the mosfets and the am regulator that blowed. now I have lost voltage @ tp 7 & 8 during TX. hum. now whats wrong ? is there realy much difference...
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    cobra 148 mosfet irf 520

    has any one tried using the irf 520's insted of the erf 2030 ? I tried using them and had bad luck. i know i need to up grade my regulator since it blowed but what else is wrong i wonder? I changed bolth tr 36 & 38 with the 520s to make it more complient. I fallowed the instructions to the...
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    erf7530 mod

    erf7530 Has any one got a schematic on bulding a 4 transistor mosfet amp ? that has the erf7530. I want to do some exparamenting using this transistor. I know sooner or later this will be what every thing gos to and right now ive hit a brick wall :headbang LOL.
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    rci 2950 (non)DX

    I have a 2950 non dx that has VEARY little am mod. however the ssb mod. is ok. Dose any one have any comments on more than 1 posability of what might be wrong ?