Bill O'Donnell

Electrical gizmo builder for the Physics Dept.
BS EEG UNLV 91
MS EEG UNLV 95
 
Bill O'Donnell
UNLV Physics Dept.
4505 Maryland Pkwy.
Las Vegas, NV 89154-4002
 
 PH:   (702)-895-0954
FAX: (702)-895-0804
 bill@physics.unlv.edu
 

Check out some of my gizmos:
Note: Use this information at your own risk.
No guarantees on the accuracy of the schematics, code, etc.

 Stepper Motor Driver for SPEX 1702/04 Spectrometer
 Linear Ramp Generator
 20W 68MHz Laser Q-Switch Driver
 High Voltage Switch (450V)
 Pulse Stretcher
 Slightly different Pulse Stretcher (not as fast)
 Auto Fill Circuit for Laser Cooling Loop (W/Ethernet Data Logging)
 Four Zone Temperature Controller with 0.01C Stability
 Laser Temperature Controller using Stepper Motor
 Linear 3.3V LED driver
 Thermopile Amplifier
 Lockin Amplifier
 Laser Beam Blocker
 Displacement Measurement System
 Temperature to RS232 Converter
 Laser Diode Controller
 Dual 16 Channel Opto-Isolator
 Solar Cell Power Meter
 Tiny Dual Photodiode Amp
 Tiny Temperature Controller

  • ECG498 stuff
  • PHYS483/683 stuff