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Multichannel Analyzers

Multichannel Analyzers (MCAs) are workhorse instruments in many scientific measurements. An MCA analyzes a stream of voltage pulses and sorts them into a histogram, or “spectrum” of number of events, versus pulse-height, which may often relate to energy or time of arrival. The stored spectrum may then be displayed and analyzed.

ORTEC’s MCA offering is one of the world’s largest, providing solutions through a variety of formats.  These types of MCAs include:

Basic Analog MCAs for routine applications:
  • Standalone USB Connected MCAs
  • NIM Modular MCAs

Digital all-in-a-PMT-Base MCAs with Bias Supply and DSPs for use with Scintillation Detectors

Integrated Digital Workstation MCAs for use with HPGe Detector systems

Portable Digital MCAs for HPGe and Scintillation Detectors

Model DSP NIM Stabilizer Interface Conversion Channels Special Features
DSPEC-50

Yes

No Yes Ethernet/USB N/A 16k Single or dual MCA, PHA and List Mode, Zero Dead Time Corrections, Low Frequency Reject Filter
DSPEC-Pro

Yes

No Yes USB N/A 16k High Throughput Mode, Zero Dead Time Corrections, Low Frequency Reject Filter, List Mode, Charge Trapping Correction
DSPEC-Jr. 2.0

Yes

No Yes USB N/A 16k Low Frequency Reject Filter
DSPEC-LF

Yes

No Yes USB N/A 16k SMART-1 Compatible
DIGIDART

Yes

No Yes USB N/A 16k Small (*860 grams), Portable (>9 hour battery), Operates without PC, Holds 23 16k spectra
DIGIDART-LF

Yes

No Yes USB N/A 2k Small (*860 grams), Portable (>9 hour battery), Operates without PC, Holds >150 2k spectra
DIGIBASE

Yes

No Yes USB N/A 1k Powered by USB, PMT base form, HV supply included
DIGIBASE-E

Yes

No Yes Ethernet 2.0 µs 2k PoE, single port injector provided, synchronous operation, special gating options
EASY-MCA-2K

No

No No USB 2 <2.0µs 2k  
EASY-MCA-8K

No

No No USB 2 <2.0 µs 8k  
ASPEC-927

No

Yes Yes USB <2.0 µs 16k Dual MCA, Zero Dead Time Correction
920E

No

Yes No

Ethernet or USB

15 µs 4k 16 input (Shared ADC)
928-MCB

No

Yes Yes USB 2 <2.0 µs 16k Zero Dead Time Correction
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