TCA-1MEG Tektronix

High-Impedance Buffer Amplifier System, Bandwidth – DC to >500 MHz, Input Impedance – 1 MOhms, 10 pF, Bandwidth Limiting – Full, 100 MHz, 20 MHz, Input Coupling – DC, AC, GND, Includes P6139A, 500 MHz, 10X Passive Probe; TekConnect Interface Delivers Superior Signal Fidelity, Unparalleled Versatility and Ease-of-use.