Tektronix TCA-1MEG High-Impedance Buffer Amplifier

Overview

The Tektronix TCA-1MEG is a high-impedance buffer amplifier system that extends the measurement capabilities of Tektronix high-performance oscilloscopes. Offering a replaceable 1 MΩ/10 pF input path with selectable bandwidth limiting and coupling options, it enables engineers to perform a wide variety of measurements including power supply analysis, high-voltage probing, and sensitive microvolt-level signal acquisition without compromising signal fidelity.

Key Features

• Bandwidth: DC to ≥500 MHz
• Input impedance: 1 MΩ / 10 pF
• Selectable bandwidth limiting: Full, 100 MHz, or 20 MHz
• Selectable input coupling: DC, AC, or GND
• TekConnect interface for superior signal fidelity and versatility
• Replaceable high-impedance path allows quick configuration for different measurement requirements
• One-button release and locking mechanism for fast probe installation and removal
• Includes P6139A 500 MHz 10× passive probe
• Compatible with TekConnect probes, amplifiers, and adapters

Applications

• Power supply and inverter analysis (switching and linear topologies)
• High-voltage and current measurements
• Microvolt-level differential signal acquisition
• Jitter and timing analysis in computer systems
• Disk drive and storage system analysis
• Transient phenomena investigation and spectral analysis
• Semiconductor device characterization (SCRs, IGBTs, FETs, CMOS)
• Motor drive and industrial electronics diagnostics
• Mobile communications and avionics system testing
• Electronic ballast and power electronics troubleshooting