DF He3 Tube Hardware Setup
Experimental Setup
Electronics
Flowchart
List
He3 tube
Purpose
Neutron Detector. Provides the signal of interest.
Inputs
- None
Outputs
- Signal
Settings
- None
Ortec 142PC Preamplifier
Purpose
Amplifies the signal above the noise level.
Inputs
- Power
- Signal
- Bias
Outputs
- Time Signal
- Energy Signal
Settings
- None
Ortec 459 Bias Supply
Purpose
Provides the bias voltage to the preamp.
Inputs
- None
Outputs
- Bias Supply
Settings
- Output Voltage
Ortec 672 Spectroscopy Amplifier
Purpose
Amplify, shape, and invert the signal.
Inputs
- Norm
- Diff Ref
Outputs
- Unipolar
- Bipolar
Settings
- Coarse Gain
- Fine Gain
- Uni Shaping
- Shaping Time
- PZ
- BLR
- Input
Ortec 871 Timer Counter
Purpose
Count the signal pulses.
Inputs
- Positive
- Negative
Outputs
- None
Settings
- Base Coefficient
- Power
- Time Base
- Dwell
CAEN N110 Dual Attenuator
Purpose
Attenuate the signal into a useful region.
Inputs
- In
Outputs
- Out
Settings
- None
CAEN N841 Leading Edge Discriminator
Purpose
Distinguish between signal and noise.
Inputs
- Channels 0-15
Outputs
- Channels 0-15 (NIM Logic Pulse)
Settings
- Threshold
- Pulse Width
CAEN N93B Dual Timer
Purpose
Provide dead time to prevent double counting.
Inputs
- Start
- Veto
Outputs
- Out
Settings
- Coarse Pulse Width
- Fine Pulse Width
Tektronic DPO 4104 Digital Phosphor Oscilloscope
Purpose
View hits / troubleshoot system.
Inputs
- Channels 1-4
Outputs
- None
Settings
- Too many to put here.