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Current Bid: $85.00
Highest Bidder: Arthur Ashe
Product Code: VXXD
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  Current Bid: $100.00
  Highest Bidder: Fran Allison
  Product Code: CPZC
 
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Auction ID:  8
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Hard Disk Drive JOIN NOW
Price:
$200.00
incl. VAT, excl. delivery
Winner:
jack.mclash
 
00:00:00

Worth up to:

$250.00
Placed bids:
Final price: $200.00
Savings: $0.00
   
   
 
 
 
Product Details
 
 
Hard Disk Drive

Description:

“We have developed a high-speed laser shutter based on voice-coil actuators found in generic hard disk drives. We have enhanced the shutter with a new driver circuit described below and a notched flag, achieving 500ns rise time and sub-microsecond pulse durations. The shutter is readily constructed from a disassembled hard drive (as shown in an early prototype in the photo above), with the addition of a simple drive circuit. A high-current opamp (e.g. L165V or OPA548) can be used, but requires a bipolar power supply, and generally some sort of pulse shaping. The circuit in our paper, designed by Sandor Szilagyi, provides very fast switching, a small holding current, and bidirectional drive from a unipolar supply.”
 
 
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