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Single Board Computer

Tue, 10/30/2001 - 8:02am
Tidal Engineering expanded its embedded IEEE 488 product offering to include the Olympic488. A high-performance, single-board computer (SBC) loaded with I/O, memory, and communication ports, the Olympic488 is engineered to provide manufacturers of test and measurement products with flexible rapid development capabilities for demanding applications. With the addition of a precision multi-channel 24-bit Sigma-Delta analog-to-digital converter (ADC) the Olympic488 satisfies the requirements of many new high-accuracy instruments and systems.

The Olympic488 is engineered as a turnkey solution for a wide range of precision power supply, RF test equipment, and laboratory instrument applications. This full featured board is ideally suited for a wide range of applications where IEEE 488, RS-232/RS-485 control is required, and it is frequently found in varied test environments. Often used to control such devices as RF single analyzers and switching arrays, the Olympic488 is further specified for use in the control of digital voltmeters, data loggers, and programmable power supplies.

Powered by the Rabbit 2000 microprocessor operating at 22.12 MHz, it has EEPROM 128K of flash memory and 128K of SRAM for program and data storage. The new SBC additionally features four RS-232/485 serial ports, two onboard relays, and a battery-backed Real Time Clock (RTC). Moreover, 32 digital outputs, 16 digital inputs, an eight channel 24-bit Sigma-Delta ADC, and eight channel 12-bit ADC, and two 12-bit digital-to-analog converters are included. Signal conditioning is provided on board for precision temperature measurement using Pt 100 ohm resistance temperature devices. The boards IEEE 488 interface provides talker, listener, and controller functions. Measuring 5.5× 6.0, the Olympic488's power requirement is 5 W at 7 to 24 V DC. Custom analog I/O, LCDs, keypads, and software are offered.

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