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Topaz-HR Multi-Channel Analyzer
Introduction

Introduced March 2018, Topaz-HR is a compact stand-alone MCA for high-resolution detectors such as Hyper Pure Germanium Detectors (HP-Ge).

Main features:

  • 14-bit high performance ADC, sampling rate of 50 Ms/s

  • 100MHz DSP processor

  • Up to 16K channels with a depth of 32 bits

  • Supports both RC and pulse-reset type of pre-amplifiers

  • Data acquisition modes: PHA, MCS, LIST mode and TLIST mode

  • Data acquisition: by present time value (real or live), by counts (in ROI) and by an external control signal (or a combination of these three)

  • Trapezoidal pulse shaper

  • Dead time correction with fine-tuning capability

  • HV power supply: 0V to 6000V, 350 µA with automatic ramping. Dual polarity, but fixed at factory

  • Preamplifier power supply: ±24V @ 125mA and ±12V @ 125mA

  • Two user-programmable I/O lines that can be used as external counters, external data acquisition, etc.

  • High-speed USB 2.0, up to 480 Mbit/s

  • Lightweight and small: 126 x 106 x 56mm [5 x 4.17 x 2.2] (L x W x H) 

  • Full-featured Gamma-ray spectrometry software bGamma, at package cost
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