North Atlantic Industries (NAI) (Bohemia, NY) has announced the availability of a 3-channel Digital-to- Synchro/Resolver Converter on a PC-104 card. The DSP-based 73DS2 includes up to three independent, transformer isolated programmable synchro/resolver simulation channels. Each channel has 16-bit resolution, ±1 arcminute accuracy, and a short circuit protected output with 1.2 VA drive capability. The unit requires +5VDC and ±12VDC power supplies, and operates over a frequency range of 47 Hz to 10 KHz. Each unit includes eight programmable digital input/output channels, wrap-around self-test, programmable output angle rotation, and an optional programmable excitation reference supply.

The 73DS2 provides continuous background Built-In-Test (BIT) on all functions and channels, including reference and signal loss detection. The BIT is totally transparent to the user, requires no programming, and doesn't interfere with the normal operation of the card. Each Digital-to-Synchro/Resolver Converter channel is self-calibrating, without requiring removal of the card. The 73DS2 PC-104 card is ideally suited for military and commercial programs, including airborne, shipboard, ground mobile, and C3I applications. The 73DS2 has an operating temperature range of -40°C to +80°C.

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This article first appeared in the July, 2008 issue of Embedded Technology Magazine.

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