TSP #253 - Keysight 256GS/s, 80GHz Bandwidth M8199B 2-Channel AWG Overview, Teardown & Experiments
In this episode Shahriar takes a look at another world’s first instrument: Keysight M8199B 256 GSa/s Arbitrary Waveform Generator. With over 80GHz of analog bandwidth, this high performance ARB is intended for design development at 160GBaud and above:
https://www.keysight.com/zz/en/product/M8199B/m8199b-256-gsa-s-arbitrary-waveform-generator.html
This video is organized as follows:
00:00 – Introductions
00:54 – ARB comparison, performance metrics, key parameters
03:59 – DAC design, chip layout, system level considerations, overall instrument architecture
14:42 – M8199B interfaces, detailed teardown, sub-block overview, output module analysis
30:14 – Demonstration setup, M8199B, DCA-X, 120GHz remote sampling use-case
33:29 – Software interfaces, I/Q tools, signal generation & calibration
36:29 – DCA-X eye-diagram captures, 64GBaud to 200GBaud, NRZ, PAM4, PAM8
44:09 – Keysight captured eye diagram & ultimate system performance
45:50 – Concluding remarks
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