CH Discriminator Dual Pulsing

Discriminators

All needed specifications can be found within the appropriate manual

CAEN N841 Leading Edge Discriminator

Modes: Update and Non-Update

• For use with He3 tube, Update vs Non-update mode did not seem to make a difference in discriminator output.

• See pages 10 & 12 in user manual

File:CAEN N841 Manual.pdf

Lecroy 821 Quad Discriminator

File:LRS 821 Specifications.pdf

Tektronix DPO 4104 Digital Phosphor Oscilloscope

For reference: Input to discriminators is spec amp output with the following settings

Course gain: 10

Fine gain: 1

Shaping type: Gaussian

Shaping time: 2us

• 

  Purple: Input signal from spec amp. Yellow: CAEN Dual Timer using lecroy as input. Aqua: Lecroy Disc Output. Lime:: CAEN Update Mode Disc Output.

• 

  Purple: Input signal from spec amp. Yellow: CAEN Dual Timer using lecroy as input. Aqua: Lecroy Disc Output. Lime:: CAEN Update Mode Disc Output.

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CaGaS Phase II