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A periodic, deterministic signal called a PRBS is made up of a stream of digital ones and zeros. The length of the one or zero levels is a multiple of the clock period of the PRBS generator.
Within the generator’s pattern repeat time, the pattern of ones and zeros is random. PRBS generators are employed in communications, including analog-to-information conversion, but they are also used in modeling, time-of-flight spectroscopy, encryption, and correlation techniques.
The most typical instance is the longest sequence that can be produced by a (maximal) linear feedback shift register (LFSR).
The global PRBS generator market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
Aspen electronics releases ASNT PRBS 43A, a PRBS generator with on-board PLL and USB control. Test applications, design verification, and R&D settings can all make advantage of the ASNT PRBS 43A.
From 10kbps to 48Gbps, the 27-1 or 215-1 pseudo random bit sequence (PRBS) generator is operational. The generation of the data outputs requires either an external half-rate clock or a reference clock to the onboard PLL. The phase and amplitude of some output clock and data channels can be changed.
An oscilloscope triggering signal for viewing the PRBS7 data pattern or the eye diagram of PRBS7/PRBS15 is provided through the Sync output. Through a USB-B connector on the ASNT PRBS 43A, a Windows GUI (compatible with Windows XP, 7, and 8) is used to control the amplitude, phase, PRBS reset, divide ratio for sync, and clock input control. Power is provided by AC – DC.
The main features include muxed PRBS data output with 11ps rise and 16ps fall time, sync output with 17ps rise and fall time, and half-rate data outputs with 19ps rise and fall time.
VCO frequencies range from 7.4GHz to 32.1GHz. User selectable clock divided by 2 to 512 sync output for scope triggering. GUI software interface with onboard USB. PRBS7 or PRBS15 can be selected through USB.
