The Tektronix VX1420A IntelliFrame Mainframe is a 13-slot C-size VXIbus mainframe engineered to host and power VX instruments in demanding Automatic Test Equipment environments. It delivers 875 W of usable power to modules while managing thermal and electrical infrastructure through intelligent cooling, auto-configuring backplane architecture, and comprehensive system monitoring. Fully compliant with VXIbus Specification 1.4 and VXIplug & play compatible.
Technical Specifications
Power Supply
• 1783 VA capacity; 875 W usable for modules
• Input voltage: 90 V to 250 V RMS, continuous
• Frequency support: 45 to 66 Hz (all voltages); 360 to 440 Hz (115 V only)
• Maximum line power: 1450 W
• Input current: 16.5 A @ 90 VRMS; 6.3 A @ 207 VRMS
• Fuse: 0.25 in × 1.25 in, Slow Blow, 20 A, 250 V
• Inrush surge: 70 A maximum
• Power factor: 0.99 @ 60 Hz; 0.95 @ 400 Hz
• Front-panel On/Standby switch with remote operation capability via Enhanced Monitor
Cooling System
• Intelligent, adaptive fan control monitors exhaust temperature rise above each module slot
• Automatic speed adjustment maintains user-specified temperature rise setpoint
• Manual override to full speed available
• IntelliGuides direct airflow only to occupied slots; empty slots isolated
• Side exhaust permits mainframe stacking without airflow restriction
• Removable rear-accessible air filter
• Field-replaceable fans without full mainframe disassembly
Backplane
• Auto-configuring, solid-state architecture
• Electronic jumpering of IACK and BUS GRANT lines; no physical jumpers
• Full differential CLK10 signal distribution
• Designed for frequent ATE system reconfiguration
Monitoring & Interfaces
• Enhanced Monitor accessible via VXIbus or rear RS-232 interface
• Real-time monitoring: power supply voltages and currents, slot temperature rises, fan speeds, VXIbus system activity
• Remote power control capability
– Key Features
• 13-slot C-size form factor for modular instrument integration
• Efficient thermal management with slot-selective cooling
• Solid-state backplane eliminates reconfiguration downtime
• Comprehensive system visibility via dual-interface monitoring
• Wide AC input range supports global deployment (90–250 V RMS, multi-frequency)
– Typical Applications
• Production ATE systems requiring frequent module swapping
• High-reliability test environments with thermal constraints
• Distributed measurement and switching applications
– Compatibility & Integration
VXIbus Specification 1.4 compliant; VXIplug & play compatible.

















