LXI-based portable 16 channel AWG

August 15, 2019 //By Julien Happich
16 channel AWG is portable
The latest Arbitrary Waveform Generator (AWG) family from Spectrum Instrumentation is based on the LXI instrumentation standard and has been created for engineers and scientists that need to simultaneously generate up to 16 precise electronic signals.

Small and compact, the AWG units are well suited for automated testing or remote-control type applications that need portability.

With six new instruments being released, users are offered a wide choice of configurations and performance levels. All the units feature the latest 16 bit digital-to-analog converter (DAC) technology and combine this with low-noise flexible outputs; allowing them to generate almost any test signal in the DC to 60 MHz frequency range. Furthermore, full remote control of the AWG is achieved through a simple Ethernet connection to any PC or local area network (LAN) making them easy to integrate into virtually every test system.

The DN2.65x series of generator NETBOX instruments are available with 4, 8 or 16 fully synchronous channels and offer output rates of 40 MS/s or 125 MS/s. Signals with a programmable output swing of up to ±6 V into high impedance or ±3 V into 50 Ohms can be generated. The units also include large on-board memories of up to 2 x 512 MSamples that can be utilized in a number of different operating modes to allow the generation of long and complex waveforms. This includes Single-Shot, Loop, FIFO, Gated and Sequence Replay modes. Signals can even be generated while new waveform data is being loaded to the on-board memory.

For perfect waveform generation, each channel of the AWG is clocked using a phase locked loop (PLL) control system that can be generated internally or from an external clock or reference. Four different filters are available to optimize the output signal quality and help ensure excellent dynamic performance. For example, Noise Spectral Density (NSD) is as low as -142 dBm/Hz, Total Harmonic Distortion (THD) is down to -74 dB, Signal to Noise Ratio (SNR) is as high as 90 dB and Spurious Free Dynamic Range (SFDR) is up to 97 dB. It’s a total performance level that allows users to generate the highest quality test signals.


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