The Tektronix 455 is a 50 MHz dual-channel analog oscilloscope designed for general-purpose testing, education, and field service applications. Built with integrated circuits, this portable instrument delivers reliable triggering and straightforward operation for waveform analysis across diverse environments. The solid-state architecture provides a lighter, more compact alternative to earlier tube-based designs, making it suitable for bench and field deployment.
Technical Specifications
• Bandwidth: 50 MHz
• Channels: 2 (dual-trace)
• Vertical Sensitivity: 2 mV/division to 5 V/division
• Deflection Factor Accuracy: ±3% or ±2.5%
• Input Coupling: AC, DC, GND
• Input Impedance: 1 MΩ || 25 pF or 1 MΩ
• Time Base Range: 5 ns/division to 0.5 s/division
• Triggering Modes: Auto, Normal, Single
• External Trigger Input: Supported
• Display: CRT-based waveform visualization
• Power Supply: Linear power supply
• Dimensions: 349 mm × 144 mm × 330 mm
• Weight: 4.3 kg (9.5 lb)
– Key Features
• Integrated circuit design reduces size and weight compared to predecessor models
• 155-0121-00 trigger chip architecture ensures stable signal acquisition
• Dual-channel capability for simultaneous two-signal analysis
• Wide vertical sensitivity range accommodates signals from millivolt to multi-volt levels
• Comprehensive time base coverage from nanosecond to half-second intervals
• Three triggering modes provide flexibility for both continuous and single-shot capture
– Typical Applications
• General laboratory and bench testing
• Educational instruction and student training
• Field service diagnostics and troubleshooting
• Signal characterization across low- to mid-frequency domains
– Compatibility & Integration
• External trigger input for synchronization with external equipment
• Option 7 enables DC operation from 12 or 24 VDC sources with 1106 battery pack compatibility
• Option 4 configuration available for MIL-STD-461A EMC compliance
• Option 5 adds TV sync separator capability
• Option 78 permits P11 phosphor CRT selection
