The Tektronix 1480C is a precision NTSC waveform monitor engineered for signal integrity analysis in broadcast and professional video environments. It delivers amplitude measurement accuracy of ±0.2% and employs a 15-line display mode optimized for VTR head evaluation and focused line-rate analysis. The unit accommodates both cabinet and rackmount configurations, serving control rooms, video tape installations, and transmitter plants with equal effectiveness.
Technical Specifications
• Display: 15-line mode for VTR head evaluation and selected line analysis
• Amplitude Measurement Accuracy: ±0.2%
• DC Restorer: Clamping options on back porch or sync tip
• Timebase: Accurate timing verification with burst cycle comparison against timing scale; Timebase Foldback function for waveform overlay comparison
• Graticule: Precision design with variations available for early models
• Input Voltage: Selectable 110 Vac or 220 Vac nominal
• Fuse Rating: 0.8 A (110 Vac); 0.4 A (220 Vac)
• Power Connection: Detachable 3-wire power cord with polarized 3-terminal plug for grounded mains outlet
• Single-phase operation
– Key Features
• Versatile DC restoration with independent back porch or sync tip clamping
• Timebase Foldback enables direct comparison of selected waveform portions across line-rate displays
• Auxiliary video input at rear panel
• Optional VTR Tone Wheel Sync Input
• Optional balanced inputs (124 Ω)
• Dual form-factor design with cradle/bezel assemblies for cabinet mounting or direct rackmount hardware for 19-inch installations
• CRT high-vacuum construction requires careful handling
• Silicon grease applied to metal-can transistors and integrated circuits
– Typical Applications
• VTR head performance evaluation
• Broadcast video signal monitoring
• Professional video facility integration
• Transmitter plant signal analysis
– Compatibility & Integration
Rackmount models include chassis-mounted slide-out tracks on both sides for standard 19-inch rack installation. Cabinet variants mount using supplied cradle and bezel assemblies. Optional balanced inputs support 124 Ω impedance circuits.
