Waveform digitizer for imaging applications
AlazarTech announced the release of ATS9350, a 12-bit, 500 MS/s, dual channel waveform digitizer based on the 8-lane PCI Express bus.
One of the major differentiating features of the RoHS compliant ATS9350 is its dual-port on-board acquisition memory buffer, which enables very fast, sustained data throughput to computer memory. Benchmarks run by the manufacturer show rates as high as 1.4 GigaBytes/s (not GigaBit/s) for sustained throughput over many hours.
Another feature of the ATS9350 is its ability to be externally clocked at frequencies as high as 500 MHz and as low as 1 MHz. This is very important for applications such as Optical Coherence Tomography (OCT) that require sampling to be synchronous with a non-uniform clock generated by a swept source laser. The latest generation of swept-source lasers output clocks that can be as fast as 400 MHz and as slow as a few MegaHertz.
ATS9350(R) contains a large, Stratix II GX FPGA from Altera. Approximately 30% of the FPGA is available for customization, such as FFT, averaging etc. ATS9350(R) offers two simultaneous analog inputs that can each be sampled at rates up to 500 MS/s (one 12 bit, 500 MSPS ADC per channel), providing Signal to Noise Ratio in excess of 60 dB. Each channel can have up to 2 Gigasamples of on-board, dual port acquisition memory buffer. The unit occupies only one half-length PCI Express x8 or x16 slot.
OEMs can integrate the ATS9350 PCI Express digitizers into their own systems very easily using the Windows 7/Vista/XP compatible ATS-SDK Software Development Kit. This SDK includes sample programs written in C/C++ and Visual BASIC. A high performance LabVIEW VI, called ATS-VI, is also available.
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