UITF Mott Detectors

ORTEC Electronics Modules

• (1) ORTEC 710 Quad High Voltage Bias Supply (1 - 1000 V)

• (2) ORTEC 142A Preamplifier for detector input capacitance 0 to 100 pF (conversion gain 45 mV/MeV)

• (2) ORTEC 142B Preamplifier for detector input capacitance 100 to 400 pF (conversion gain 20 mV/MeV)

• (2) ORTEC Model 590A Amplifier and Timing Single-Channel Analyzer (SCA)

• (2) ORTEC Model 570 Amplifier

Single-Channel Analyzer (SCA)

• SCA Out:
  • Standard NIM of +5 V, 500 ns wide if the amplified signal passes the threshold of the Lower Level discriminator
  • Connect to Scaler

• Amp Out:
  • Energy output (Amplified: x5 to x1250)
  • Connect to fADC

ORTEC ULTRA Detectors

(2) (BU-013-050-1000-S)

• Ion-Implanted Silicon Charged Particles Detectors

• Ultra-thin entrance window (500 Å) for optimum energy resolution (FWHM, 𝛼 =13 keV, 𝛽 = 7 keV)

• B Mount

• Detector size of 50 mm2

• Depletion Depth (Range) of 1000 um for energies ≤ 500 keV

• Bias Voltage: +115 V

(2) (BU-012-050-100)

• Ion-Implanted Silicon Charged Particles Detectors

• Ultra-thin entrance window (500 Å) for optimum energy resolution (FWHM, 𝛼 =12 keV , 𝛽 = 6 keV)

• B Mount

• Detector size of 50 mm2

• Depletion Depth (Range) of 100 um for energies < 200 keV

• Bias Voltage: +50 V