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Strategic Test has announced two 500MS/s 12-bit digitiser cards for the PCI bus.

The UF3-3242 has two analogue inputs and can sample at 500MS/s on one channel or 250MS/s on both channels simultaneously, while the UF3-3240 is a single-channel card that samples at up to 500MS/s.

Both cards are supplied with 128Msamples (256Mb) onboard memory.

The memory can be expanded to 2Gsamples, giving a measurement time of up to five seconds on one channel at 500MS/s.

PCI Express versions of the cards will be released later this year.

Measured dynamic specifications at 500MS/s are a signal-to-noise ratio (SNR) of up to 63.1dB and an effective number of bits (ENOB) value of 10.2LSB.

At 250MS/s the SNR is up to 63.8dB and an ENOB of 10.3LSB.

The cards are part of the UF3 Series, based on a new baseboard design.

The UF3 Series features five multi-purpose connectors routed to the clock input, trigger input, trigger output and two freely programmable I/O connections.

The two digital I/O lines can be programmed as digital inputs that are synchronous with the analogue channels or as synchronous digital I/O lines used to control external equipment or receive status signals, or as additional trigger inputs that can be and/or with the main external trigger input.

Each channel includes its own ADC for simultaneous sampling without phase errors.

There are two user-selectable input paths per channel on the card.

The first path has six input ranges from +/-200mV to +/-10V and a choice of 50Ohm or 1MOhm input impedances.

The second path delivers a bandwidth of more than 200MHz, has four input ranges from +/-500mV to +/-5V and has 50Ohm impedance.

The front-end module allows AC or DC coupling and includes a user-activated low-pass filter.

Drivers and programming examples for Microsoft Windows 7, Vista, XP64, XP and Linux (Redhat, Fedora, Suse, Sarge) are supplied with the card, as well as the Sbench 6.0 oscilloscope program.

SDKs for Matlab, Labview and Labwindows/CVI are available as options.

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