The Tektronix 11A71 is a single-channel vertical amplifier plug-in module designed for integration with Tektronix 11000 series oscilloscopes. It delivers 1 GHz bandwidth for high-frequency signal acquisition and measurement in demanding test environments. The module provides vertical amplification and signal conditioning with selectable input impedance, DC/AC coupling, and sensitivity ranging from 10 mV/div to 5 V/div. Vertical accuracy is ±2% of full scale, with DC offset accuracy of ±1% of full scale ± 1 mV. Rise time is approximately 350 ps at 1 GHz bandwidth, and non-linearity stays below 1% across the vertical range. Compatible with standard Tektronix passive and active probes, the 11A71 supports both 1 MΩ ±2% and 50 Ω ±2% input impedance configurations. The module draws power from the host mainframe and requires calibration with it. Its compact form factor weighs approximately 2.2 lbs (1 kg) and connects via the proprietary Tektronix plug-in interface.
Technical Specifications
• Bandwidth: 1 GHz
• Channels: 1
• Input Impedance: 1 MΩ ±2% or 50 Ω ±2% (selectable)
• Input Coupling: DC, AC, GND
• Vertical Sensitivity: 10 mV/div to 5 V/div (1-2-5 sequence) with fine adjustment
• Vertical Accuracy: ±2% of full scale
• DC Offset Range: ±2.5 V minimum
• DC Offset Accuracy: ±1% of full scale ± 1 mV
• Rise Time: Approximately 350 ps
• Non-Linearity: < 1%
• Probe Compatibility: Standard Tektronix passive and active probes
• Weight: Approximately 2.2 lbs (1 kg)
– Key Features
• Dual-impedance input for flexibility in measurement configurations
• Three-position coupling selection for AC, DC, and ground reference
• Fine vertical adjustment across the full sensitivity range
• Low non-linearity ensures accurate waveform representation across operating range
• Host mainframe triggering via mainframe control
– Typical Applications
• High-speed digital signal analysis and timing verification
• RF and microwave signal measurement
• Signal integrity analysis on advanced interfaces
– Compatibility & Integration
The 11A71 integrates with Tektronix 11000 series mainframes including the 11302, 11403, 11401, and 11500 series. Power and control signals route through the proprietary Tektronix plug-in interface.















