The Aeroflex / Tektronix / CDS 53B IAC System is a modular card-based mainframe designed for cost-effective automated test platforms in avionic communication applications. Built on the Colorado Data Systems Bus (CDSbus) architecture, the 53B reduces test equipment costs, software development effort, system integration complexity, and overall footprint. The mainframe accommodates 12 slots for CDS 53A measurement cards, delivering flexible and scalable testing capabilities for demanding applications.
Technical Specifications
System Architecture
• CDSbus (Colorado Data Systems Bus) interconnect
• 12-slot modular card cage for CDS 53A measurement cards
• Compact, sturdy form factor with included front panel cover
Power & Environmental
• Internal 5 V DC power supply
• Quiescent current: 0.45–0.80 A (card-dependent)
• Peak current: 0.75–1.45 A (card-dependent)
• Operating temperature: −10°C to +65°C
• Storage temperature: −40°C to +85°C
• Humidity: ≤95% R.H. non-condensing (−10°C to +30°C); ≤75% R.H. non-condensing (+31°C to +40°C); ≤45% R.H. non-condensing (+41°C to +55°C)
– Key Features
• Modular card-based architecture enables custom test configurations
• CDSbus internal communication simplifies card integration
• IEEE-488 (GPIB) interface card option (53A-128) supports up to 153,800 characters/second data transfer
• BCD/40-bit binary input card (53A-410) accepts TTL-level data with switch-selectable logic polarity
• Scalable measurement capability through plug-in card selection
– Typical Applications
Integrated avionics communication testing and verification in automated test environments requiring modular, cost-effective measurement platforms.
– Compatibility & Integration
The 53B mainframe interfaces with the CDS 53A measurement card family via CDSbus. IEEE-488 connectivity enables operation as a single GPIB instrument. TTL and BCD data inputs support diverse signal injection and control requirements.
