The HP 70004A is a color graphics display unit designed for integration with HP 70000 Series modular measurement systems. It provides the primary human interface and real-time visualization platform for spectrum analysis and system configuration data across multiple modular instruments. Unit has been tested and confirmed fully operational.
– Technical Specifications
The display features 1024 × 400 pixel resolution with 16 simultaneous colors selected from a 4096-color palette. RGB video output operates at non-standard resolution with sync on green, 25 kHz horizontal scan frequency, and 60 Hz vertical sweep rate. The unit accommodates 1/8-, 1/4-, 3/8-, and 1/2-width modules within the mainframe section, supporting a maximum of four 1/8-width modules. Power supply operates from 115–230 V, 50/60/400 Hz at 350 VA maximum, supplied by the mainframe. Operating temperature range is 0 to +55 °C; storage range extends from −40 to +75 °C. The unit maintains 0 to 95% relative humidity at +55 °C and meets MIL-T-28800E Type III Class 3 vibration and shock specifications, with EMC compliance to MIL-STD 461 B and CISPR pub 11.
Physical dimensions are 222.0 mm (H) × 425.4 mm (W) × 526.0 mm (L). Cooling and power management are provided by the mainframe assembly.
– Key Features
• High-resolution color display with 1024 × 400 pixel matrix
• Modular System Interface Bus (MSIB) digital communication for instrument control
• HP-IB remote programming and operation capability
• HP-IB printer/plotter graphics output; native support for HP PaintJet full-color printing
• Front-panel HP-HIL connector for keyboard, mouse, or trackball input
• Memory card slot for instrument state and trace data storage
• Single-keystroke instrument selection via INSTR key for multi-instrument control
– Compatibility & Integration
The HP 70004A integrates directly with the HP 70001A System Mainframe and operates as the primary display and control interface for the HP 70000 Series Modular Measurement System. It can display and control up to four modular instruments simultaneously. The unit may be stacked, racked with the HP 70001A, or positioned remotely, with the mainframe providing all structural support, thermal management, power distribution, and communication infrastructure.
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