Advanced Test and Measurement
Instruments and Power Supplies

Spectral Measurement dS-NET VSIO

Digital serial interface adaptor

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The VSIO Adapter is a dS–NET peripheral primarily intended for use with the dScope Series III test and measurement system. It is an interface adapter which allows bi-directional translation between the dScope's AES3 output and input, and serial audio multiplex interfaces (for example I2S) such as are commonly found on digital audio ICs. The exact timing arrangements of the serial multiplex and its electrical properties (such as rail voltage) can be freely adjusted by the user.

The VSIO Adapter can transact up to 16 multiplexed channels on a single wire, or up to eight on each of two wires, or up to four on each of four wires. Each VSIO output 'slot' (channel) can be driven from the dScope Signal Generator's A or B channel, or can be muted; any two VSIO input slots (channels) can be routed to the dScope's Signal Analyzer. Audio wordlengths between 8 and 24 bits can be positioned anywhere within a slot length of 8, 16, 24 or 32 bits; data can be transacted MSB- or LSB-first. Clock polarities and multipliers can be freely selected; frame clocks can be generated one-bit-early or single-bit-width if required; sign extension is supported. Synchronization can be from the dScope or from the EUT (either SCK/LRCK or MCK), and EUT rail voltages of 1.8V, 2.5V, 3.3V or 5V (TTL or CMOS threshold) are supported.

Product Variants

Model Price


Digital serial interface adaptor Board level digital interface adaptor
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Series Model Price
DSNET-VSIO I/O Cable 1 15Way twisted pair ribbon, D-type Male-Femal
DSNET-VSIO I/O Cable 2 15Way break out, D-type Male 10cm
DSNET-VSIO I/O Cable 3 9Way twisted pair ribbon, D-type Male-Female
DSNET-VSIO I/O Cable 4 9Way break out, D-type Male 10cm
dS-NET VSIO data interface cable set (2 x Audio, 1 x Control)