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National Instruments 779656-01 Waveform Generator Device

National Instruments 779656-01 is the part number for the PCI-5402 Waveform Generator Device. Equipped with 14 bits of DAC resolution, it is able to generate a wide variety of waveforms- including sine, square, triangle, and arbitrary. By utilizing 512 kS of waveform memory, the 779656-01 can output highly detailed and precise waveforms that have up to 1 million data points. 

The 779656-01 is an efficient and reliable addition to a wide range of testing applications with a maximum waveform output rate of 20 MHz. The device has a maximum sample rate of 80 MS/s, as well as a maximum output amplitude that is in the range of ±4 V. The output offset of the device is typically in the range of ±1 V, with a maximum range of ±2 V.  

For both input and output, the programmable function interface of the 779656-01 has 50 Ω of impedance. Typically, the total harmonic distortion the waveform generator experiences is -60 dBc, while the phase noise it encounters averages -110 dBc/Hz. The 779656-01 uses NI-FGEN software, which allows the user the ability to program in a wide selection of popular software interfaces, including LabVIEW and Measurement Studio. This NI-FGEN software is also able to help calibrate and configure the waveform generator device.

Designed with safety in mind, the 779656-01 adheres to multiple safety standards. It is compliant with the IEC 61010-1, EN 61010-1, UL 61010-1, and CSA 61010-1 standards regarding control, measurement, and laboratory use. It is recommended to leave any unused PCI slots that are adjacent to the device empty in order to maximize airflow. Additionally, forced-air cooling methods can be used.