On the face of it, it is a USB scope and logic analyzer. But it is also a waveform generator, a DC power supply, a pattern generator, and a network analyzer. I’ve looked at devices like this before.

Versatile test pattern generator capable of producing a range of test patterns in standard ITU-R BT.656 format. The module is ideal for use in the prototyping stages of digital video systems or as a ...

but if you wanted the most accurate and reliable test patterns you’d need a Philips pattern generator which created the pattern with hardware instead, and you can build your own now because the ...

Versatile test pattern generator capable of producing a range of test patterns in various high-definition SMPTE formats such as 296M and 274M. The module is ideal for use in the prototyping stages of ...