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Activity within 7 days:

2 New Members - 63 New Messages - 1 New File - New Questions

Description

This is an open forum for electronic hobbyists and amateur radio experimentors interested in Scotty's Spectrum Analyzer or similar spectrum analyzer projects. Expect most discussions dealing with construction, component substitutions, and software questions and comments.

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Re: List of discrepency for PCBs SLIM-PLO1, 2 & 3 from C. Olsen
Here is what I found to this date for the SLIM-PLOs board procured from C. Olsen against reference design
Posted - Tue Nov 18, 2008 6:33 pm
 Harold E. Johnson
w4zcb77
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PLO Testing
To verify the output of the PLOs, it is handy to be able to check the output levels. For anyone without the means to do so, I have posted a PCB layout
Posted - Tue Nov 18, 2008 5:46 pm
 Sam Wetterlin
swetterlin
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Re: List of discrepency for PCBs SLIM-PLO1, 2 & 3 from C. Olsen
There is two ways to do the mod. around J2 #1 If SMA plug is present: ========================== At flange side, SMA connector has 170mils diameter PTFE
Posted - Tue Nov 18, 2008 7:25 am
 peterrf
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Re: List of discrepency for PCBs SLIM-PLO1, 2 & 3 from C. Olsen
Hi All, This is the most disconcerning: -Missing gnd VIA at pad of R17, 3 others missing gnd VIA around J2 on gnd fencing. The only correct fix is to drill
Posted - Tue Nov 18, 2008 4:25 am
 Scotty
wsprowls
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Re: Master oscillator current draw
Hi Steve,  I expect the Master Oscillator Module to draw about 50 ma with all outputs connected and all modules powered up.  This is assuming that R1, R2,
Posted - Tue Nov 18, 2008 4:12 am
 william sprowls
wsprowls
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2008 303 189 115 66 187 83 94 110 229 182 136
2007 42 37 18 53 23 56 48 31 25 34 56 11
2006 66 52 54 55 50 48 69 31 88 30 41 45
2005 5 11 21 36 25 117 82 151 65 74 9 51
2004 86 55 90 34 42 11 15 6 42 9 8
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