512MB on-board memory for data storage, Software selectable 50Ω or 1 MΩ input impedance, Programmable input voltage range: ±1 V, ±0.2 V and ±5V, ±1V, Multiple module synchronization via SSI
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The PCI-9846 belong's to ADLINK's high resolution digitiser family which offers dynamic performance superior to many competitive products that cost many times more.
The ADLINK PCI/PXI-9816/9826/9846 are 10 MS/s, 20 MS/s, 40 MS/s sampling 16-bit 4-CH digitizers designed for digitizing high frequency and wide dynamic range signals with an input frequency up to 20 MHz. The analog input range can be programmed via software to ±1 V / ±0.2 V or ±5 V / ±1 V, based on the model. With a deep onboard acquisition memory up to 512 MB, the PXI/PCI-9816/9826/9846 are not limited by the data transfer rate of the PCI bus to enable the recording of waveforms for extended periods of time.
The PXI/PCI-9816/9826/9846 are equipped with four high linearity 16-bit A/D converters ideal for demanding applications with a high dynamic range such as radar, ultrasound, and software-defined radio.
The PCI/PXI-9816/26/46 each feature four analog input channels. The bandwidth of each channel can be up to 5 MHz, 10 MHz, and 20 MHz for PCI/PXI-9816, PCI/PXI-9826, and PCI/PXI-9846, respectively. The input ranges are software programmable as either ±1 V or ±0.2 V. Software selectable 50 Ω input impedance makes it easy to interface with high-speed, high-frequency signals.
Acquisition System and On-board Memory
The PCI/PXI-9816/26/46 include four 16-bit A/D converters to digitize the input signals. These four channels sample signals simultaneously at a maximum sampling rate of 10 MS/s, 20 MS/s, and 40 MS/s, respectively. The PCI/PXI-9816/26/46 supports a total of 512 MB on-board memory. The digitized data is stored in the onboard memory before being transferred to the host memory. The data transfer is performed using scatter-gather DMA, which provides a high data throughput rate and uses system memory more effectively.
The PCI/PXI-9816/26/46 feature flexible triggering options such as a software trigger, external digital trigger, an analog trigger from any of the analog input channels and triggers from the PXI trigger bus. These versatile trigger sources allow you to configure the PCI/PXI-9816/26/46 to fit your application needs. Post-trigger, delay-trigger, pre-trigger and middle-trigger modes are also available to acquire data around the trigger event. The PCI/PXI-9816/26/46 also features repeated trigger acquisition, so you can acquire data in multiple segments with successive trigger events at extremely short rearming intervals.
The versatile trigger options provided by the PXI backplane allow the PCI/PXI-9816/26/46 to achieve multi-module synchronization in a simplified way. Utilizing the PXI Trigger bus, the PCI/PXI-9816/26/46 can output trigger signals and the timebase to the PXI trigger bus when configured as a master, or receive trigger signals and the timebase from the PXI trigger bus when configured as a slave. Moreover, when the PCI/PXI-9816/26/46 is plugged into a peripheral slot of a PXI system, they can also receive triggers or the timebase from the PXI star trigger controller slot. The precision 10 MHz clock that comes from the PXI backplane can also be used as one of the timebase sources. Combining these PXI trigger features with the interface of the PCI/PXI-9816/26/46 makes it very easy to synchronize multiple modules.
PXI-9846 Bandwidth Chart (50 Ω input impedance)