The QDC (Charge-to-Digital Converter) family provides high-precision, multi-channel charge digitization solutions for nuclear and particle physics experiments. Designed for VME-based data acquisition systems, these modules convert detector charge signals into digital data with excellent linearity, low noise, and high throughput. They feature fast charge-to-amplitude conversion, 12-bit ADC digitization, multi-event buffering, and flexible triggering and gating options, enabling accurate measurement across a wide dynamic range.

With support for advanced data transfer modes, zero suppression, and live insertion, QDC modules integrate seamlessly into complex DAQ architectures. Their high channel density and robust performance make them well suited for applications such as calorimetry, photodetector readout, and general charge measurement in demanding experimental environments.

  • High-density multi-channel charge digitization with 12-bit resolution

  • Wide dynamic range with fast conversion and multi-event buffering

  • Flexible triggering, gating, and zero-suppression features

  • Seamless VME DAQ integration with high-speed data transfer and live insertion


QDC Models

Grid Compare
Image
Name
Package
No. of Channels
Resolution (bits)
Conversion Time (µs)
LSB (fC)
Full Scale Range (pC)
Gate Width (µs)
Fast Clear (µs)
Connectors
Features
V862

V862

VME

32

12

5.7

100

400

0.05(1)

0.6

Robinson Nugent Flat

individual gate

V792N

V792N

VME

16

12

2.8

100

400

0.05(1)

0.6

LEMO

-

V965

V965

VME

16

12 (15 dyn.)

5.7

25 / 200

100 / 900

0.05(1)

0.6

LEMO

dual range

V965A

V965A

VME

8

12 (15 dyn.)

2.8

25 / 200

100 / 900

0.05(1)

0.6

LEMO

dual range

V792

V792

VME

32

12

5.7

100

400

0.05(1)

0.6

Std. Flat

-