Tweezers LAB

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Category:Fluidics | Tools | boards | instrument assembly
 PictureTitleCategoryAssembly
Picture
(1) ADC board on first layer
 (1) ADC board on first layer boards Controller Board Stack
Picture
(2) ADC board on second layer
The same set of 3 boards as on thye first layer (ADC board and 2 preamplifier boards) except rotated 180 degrees.
 (2) ADC board on second layer boards Controller Board Stack
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(3) Motor control board on third layer
 (3) Motor control board on third layer boards Controller Board Stack
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(4) Piezo control board on fourth layer
 (4) Piezo control board on fourth layer boards Controller Board Stack
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(5) Main control board on the fifth layer
 (5) Main control board on the fifth layer boards Controller Board Stack
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(6) Connect boards with ribbon cable
 (6) Connect boards with ribbon cable boards Controller Board Stack
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(8) Color code
Green = Force detector trap-A Blue = Position detector trap-A
(8) Color code boards Controller Board Stack
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(9) more Color Codes
Yellow = Force detector trap-B Red = Position detector trap-B
 (9) more Color Codes boards Controller Board Stack
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Power connector, 3-wire
Black is ground; red is +5V; white is +12V.
 Power connector, 3-wire boards Controller Power Supply
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Power connector, 4-wire
Brown is ground; orange is +15V; blue is -15V. The reason for 4 wires is to reduce confusion with connections if both were 3-wire.
 Power connector, 4-wire boards Controller Power Supply
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Piezo control board
version 9 uses surface-mount amplifiers Apex PA340
 Piezo control board boards Piezo driver board
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Piezo_Driver 8
version 8 used Apex PA240 amplifiers
Piezo_Driver 8 boards Piezo driver board
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Laser Power Supply Board
side that faces away from front panel
 Laser Power Supply Board boards Laser Power Supply
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Diode Driver Board Modified
Thorlabs IP 500 diode driver modified by soldering in wire harness. Remove trim pot "P/I ADJ" and solder 3 wires into holes. Requires careful work with a "solder sucker". The board is connected to a socket 16 through 12" ribbon cable.
Diode Driver Board Modified boards Laser Power Supply
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(7) Attach detector cables
Plug detector cables into 8-pin headers on Preamp Boards. Position connector with red wire and blank position on top. Be carefull not to plug it upside down or offset right/left by 1 pin. Such a mistake won't damage anything, but it won't work that way.
 (7) Attach detector cables boards Analog to Digital Converter Board
Controller Board Stack
Picture
ADC Mother board
Install 2 jumpers: (1) from EOC (End Of Conversion) to ribbon wire 17 (2) from CS (Chip Select) to ribbon wire 15
ADC Mother board boards Analog to Digital Converter Board
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ADC board with piggyback preamplifier boards
 ADC board with piggyback preamplifier boards boards Analog to Digital Converter Board
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board back side
 board back side boards laser power supply circuit board
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board front side
 board front side boards laser power supply circuit board
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Push button Modified
Bend tabs and solder wires that will feed through holes in PC board
 Push button Modified boards laser power supply circuit board
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detector boards
 detector boards boards
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motor limit board
Part of Detector Board set has been cut ouy
 motor limit board boards
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Preamp Board bottom
 Preamp Board bottom boards Preamp board
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Preamp Board side
 Preamp Board side boards Preamp board
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Preamp Board top
 Preamp Board top boards Preamp board
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Main control board
 Main control board boards main control board
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Motor control board
 Motor control board boards Motor control board

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