Waters / Micromass ATOM TDC | Time-to-Digital Converter for GCT Premier & SYNAPT Q-TOF

 Technical Reference & Availability: Waters / Micromass ATOM TDC (TTP-20221-ATOM) Digitizer

The Waters ATOM TDC (Time-to-Digital Converter), also identified by part number TTP-20221-ATOM, is a high-precision data acquisition controller designed for advanced Time-of-Flight (TOF) mass spectrometry. Originally developed under the Micromass brand and later integrated into Waters systems, this card is the critical component responsible for measuring ion flight times with picosecond-level resolution.

System Compatibility & Identification

  • Supported Systems: Waters GCT, GCT Premier, SYNAPT G1/G2, and various Q-TOF (Quantitative Time-of-Flight) instruments.

  • Manufacturer: Waters / Micromass (UK/USA)

  • Hardware ID: ATOM TDC / TTP-20221-ATOM

  • Function: High-speed time digitization for ion detection and mass-to-charge (m/z) calculation.

Core Performance Features

  • Ultra-High Resolution: Optimized for the fast transient signals inherent in high-resolution TOF-MS.

  • Data Integrity: Low-jitter timing circuitry ensures exceptional mass accuracy and peak shape stability.

  • Legacy Reliability: A vital replacement part for maintaining research-grade mass spectrometers and ensuring long-term system uptime.

Inventory & Global Logistics from Shenzhen

We currently have original Waters ATOM TDC (TTP-20221-ATOM) units available in our Shenzhen warehouse.

  • Condition: Pre-owned, original hardware professionally decommissioned from high-end analytical chemistry and proteomics laboratories. Each board has undergone a meticulous visual inspection of the high-speed logic sections and coaxial input connectors.

  • Authenticity: We provide high-resolution photos of specific hardware labels, revision numbers, and serial markers to ensure a direct match for your Waters or Micromass instrument.

  • Shipping: Worldwide express delivery via DHL, FedEx, or UPS. Professional anti-static vacuum-sealed packaging is guaranteed.


Technical Inquiry & Procurement: If you are a mass spectrometry engineer, lab manager, or sourcing specialist looking for a replacement or a technical reference for Waters TDC hardware, please contact our technical desk:

WhatsApp: +86 159 1599 7637 

Email: xw8668448@gmail.com

Front view of Waters Micromass ATOM TDC time-to-digital converter for TOF mass spectrometers.

High-speed signal input ports on Waters SYNAPT Q-TOF ATOM TDC digitizer.

Rear view of Waters TTP-20221-ATOM data acquisition control board showing technical revision.


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