KAD/VDC/001 is a dual audio-to-digital converter module. At the core of the module is a delta-modulator where the delta size depends on the rate of change.
Features
- Two differential-ended audio input channels
- Programmable sampling rates (8 kbps to 64 kbps)
- Fully IRIG-106 Chapter 5 compatible
- 500 Hz tone output for link indication or calibration/verification
- Programmable word length, for example, 16 bits @ 32 kbps = 2 k words per second
Applications
- Cockpit voice monitoring
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KAD/VDC/001 Differential-Ended Voice-to-Digital Converter (CVSD)
The KAD/VDC/001 is a dual audio-to-digital converter module.
At the core of the module is a delta-modulator where the delta size depends on the rate of change. This is referred to as Continuously Variable Slope Delta (CVSD) modulation. This delta-modulator outputs a serial stream to a serial-to-parallel converter, the output of which is regularly read over the backplane. For a detailed description of this type of audio encoding, refer to the IRIG-106 standard, Chapter 5.
A tone output is also available that can be connected to a channel, for link indication or calibration/verification.
Aerospace Instrumentation Brochure
Modern aerospace instrumentation systems can be highly complex, and it can be difficult to know how to meet program needs. It’s not unusual for requirements to change during a campaign and cause significant delays, and data must be captured reliably no matter what – otherwise expensive additional flights will be needed or months of program data could be lost. Read our brochure to learn how you can reduce your risk with commercial off-the-shelf (COTS) solutions.