Leader LBO-518 100MHz Dual-Trace Oscilloscope

Technical Specifications

• Bandwidth Capacity: DC to 100 MHz parameters tracking high-frequency waveforms.
• Input Channel Matrix: Dual-trace layout supporting simultaneous Channel 1 and Channel 2 waveform analysis.
• Vertical Sensitivity: 5 mV/division to 5 V/division across 10 calibrated steps. Includes a x5 vertical magnifier setting down to 1 mV/division.
• Time Base Sweep Speeds: Calibrated ranges tracking from 50 ns/division down to 0.5 s/division across 22 steps. Features a x10 sweep magnifier for close-up signal analysis.
• Trigger Modes & Capabilities: Auto, Norm, Single, and Fixed options. Fully supports TV-V and TV-H synchronization networks.
• Maximum Input Safe Limit: 400V (DC + Peak AC) threshold protections.
• Display CRT Configuration: 6-inch internal graticule tube panel featuring high-voltage acceleration voltage for sharp trace definitions.
• Power Line Voltage: 120V AC utility grid lines.

Station Role

The Leader LBO-518 oscilloscope anchors the active diagnostic and analysis tier of the W8USR maintenance bench. It is used continuously by technical operators to visually track RF envelope shapes, check modulation percentages, analyze two-tone linearity tests, and isolate waveform distortion points across our operational gear.

History with Radio W8USR

Brought into the W8USR technical laboratory setup to support advanced hardware maintenance and restoration work, the Leader LBO-518 has been highly reliable. It serves as a dependable diagnostic instrument, ensuring that the station's signal transmission loops remain clean, distortion-free, and matched to factory design parameters.