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Offline Mudflap
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« Reply #90 on: December 16, 2016, 10:20:27 pm »
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Your moving right along. Machined ic sockets too!

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« Reply #91 on: December 16, 2016, 10:42:30 pm »
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  Yea, they cost big bucks.  12cents each.    Got confused on what schematic was what for a while.  I just used the Parts BOM to place parts.  That and the Top Silk Screen and all is well.  Still don't know why Ne555 calls for the  22uF Tantalum's  on bottom of the Board ?

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Offline NE555Topic starter
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« Reply #92 on: December 17, 2016, 09:55:21 am »
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tantalums on the board add some stability. you can not set them if have not. i take tantalums from old electronics: old motherboards, HD's, CD's, etc.

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« Reply #93 on: December 17, 2016, 10:16:49 am »
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Thank You NE555 I bought some but a little large for bottom of board.  I have some Ceramics that will fit good. 

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« Reply #94 on: December 17, 2016, 02:59:08 pm »
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  Getting there !   Emmmmm   I need a Camera.

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« Reply #95 on: December 17, 2016, 05:10:06 pm »
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What's the wire terminal pcb mount sizes? Are they 3.5mm or 5mm spacing?

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« Reply #96 on: December 17, 2016, 06:20:09 pm »
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Tayda : DG350 Screw Terminal Block 2 Positions 3.5mm
   A-4569    $0.15

I ordered the 5mm three position for the Threshold NO GOOD  Need the little green 3.5 Three position on that one too.

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I'm just going to CUT off a Two position I have and Add one position to a complete two position .LOL

Have my -5 and + 5 Vdc at the Regulators.  Tired.  In the Morning I'll place the ICL7660 and other IC's and do the MAGIC Smoke Test.  

Then I'll check the Freq of the 40106 Oscillator.  Says should be 640 PPS Hz.  

Guess I'll try to match up the Damping R to a Original Surf PI coil I have until I get something built.  My little DSO180 will work after the first Amp to see any Ringing .   Don't know if I'll be able to see signal good enough to see how low the Delay will run without Chatter .  With one channel I can't measure the Delay only see the Results.   Hell it may not work so good.

Oh, Didn't set the LET.  Guess I may run one to the controls later Huh?

OH , JOYS !

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« Last Edit: December 17, 2016, 10:46:41 pm by homefire » 		Logged
Offline NE555Topic starter
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« Reply #97 on: December 18, 2016, 02:35:30 am »
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screw terminal blocks are something i do not use. pcb was done for direct wire soldering.
640 Hz PPS, better to choice/tune on even value to 60Hz, it gives less electric net EMI interferency. so 60x10=600, 60x12=720
but 720 gives hight tone sound, not so good. so  that why i suggest 600. for example only, delta pulse PPS is 100=50x2,
sniffer xr71 PPS 300=50x6, for US delta pulse will have 120=60x2 PPS Hz.
- what type mosfets you use?
- why VT6 is set reversed?

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« Last Edit: December 18, 2016, 02:41:57 am by NE555 » 		Logged
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« Reply #98 on: December 18, 2016, 11:34:31 am »
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Ne555

VT6 GPSA-13 Pin out is reversed.  

MosFet   IRF9640

I used the Binding Post because I plan on doing a pile of Experiments.  When I get things like I want I can pop them off if needed.

What is the Set Button used for , Setting Threshold "

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« Last Edit: December 18, 2016, 11:49:49 am by homefire » 		Logged
Offline NE555Topic starter
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« Reply #99 on: December 18, 2016, 11:57:40 am »
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Homefire,
that is not setting threshold... the button is an attempt of Anchor to do non-motion mode in my opinion. really this is a switch, i see 'SW1' marking on the original pcb pics.
if in original Baracuda the switch is absent then probably Anchor refused the mode (IMO). while no full data that developer planned, i left all on the place.




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