Time-to-digital converter for medical imaging by Voxtel

The TDC YVX-657 64-channel time-to-digital converter (TDC) from Voxtel (Beaverton, OR) for high-channel-count medical imaging applications generates the time difference between the leading edge of a common reference signal and an input pulse event in 32 ps. The all-digital TDC time-stamps incoming signal pulses arriving simultaneously on all 64 channels and has on-board capacity to store up to 262,144 time stamps per channel.

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PRESS RELEASE

Voxtel Introduces Lowest Cost 64-channel Time-to-digital Converter

High-energy event time-stamp can reduce the cost of military systems

Beaverton – Voxtel, Inc. has announced the release of a low-cost event-timing solution for medical imaging, particle and nuclear physics, and LADAR applications requiring picosecond-scale timing on a large number of parallel channels. The 64-channel time-to-digital convertor (TDC) is designed for cost-sensitive, high channel count applications that require accurate conversion of a time interval into a digital output.

“Our engineers designed a high channel count time-to-digital converter, and they achieved picosecond scale timing resolution with the lowest cost-per-channel available on the market today,” says Voxtel founder and CEO George Williams.

TDCs help to determine the time an event occurs by generating the time difference between the leading edge of a common reference signal and the leading edge of an input pulse event. Voxtel’s all-digital TDC YVX-657 time-stamps incoming signal pulses arriving simultaneously on all 64 channels and has on-board capacity to store up to 262,144 time stamps per channel—with a precision of 32 picoseconds.

For input signal tallying, the TDC can also be used as a free-running high-resolution counter, where each individual channel can record and store in local memory the time of arrival of the rising edge of input signals.

About Voxtel, Inc.
Voxtel, Inc., of Beaverton, Ore., is a leading supplier of sophisticated time-of-flight detectors and 3D electro-optical imaging systems for a wide range of government, industrial and scientific markets. Voxtel’s product technologies include highly sensitive APDs, laser radar (LADAR) receivers and active/passive focal plane arrays. For more information, visit Voxtel’s website at www.voxtel-inc.com.

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