Descrizione
Theremino PMT Audio Adapter: Integrated, Low-Noise Spectrometry
The new Theremino PMT Audio Adapter is the definitive, integrated solution for high-precision scientific measurement. It combines the renowned stability of the PMT power supply with a crucial on-board audio ADC (Analog-to-Digital Converter).
This module is specifically engineered to achieve the lowest possible noise floor, making it ideal for Gamma Spectrometry and applications requiring ultra-clean signal acquisition.
Key Upgrades and Noise Reduction
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Integrated ‘Two-in-One’ Design: Includes the necessary high-voltage supply and the audio acquisition chip directly on the board, eliminating the need for external components and simplifying the system.
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Superior Noise Isolation: Features a divided ground plane design, significantly improving isolation from external electromagnetic fields and resulting in a net improvement in noise performance.
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Ultra-Stable HV Supply: Retains the high stability of the PMT module, ensuring consistent high voltage for the Photomultiplier Tube (PMT) without appreciable isotope line shifts.
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Streamlined Software: No HAL application is required! The module connects directly to the system and is managed solely by the Theremino MCA software.
Application and Performance
The PMT Audio Adapter is designed for the most demanding applications where noise is the enemy of resolution. Its low-noise performance translates directly into clearer spectrum peaks, better energy resolution, and more accurate identification of isotopes.
It is the essential front-end module for:
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High-Resolution Gamma Spectrometry
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Precision Scintillation Counting
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Laboratory-Grade Radiation Analysis
Simplified System Requirement
To utilize the integrated ADC and the power of the PMT Audio Adapter, you only need the following software:
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Theremino MCA Software: Essential for energy calibration, spectrum visualization, and comprehensive isotope analysis.



