Tektronix / Probe / P6201 P6201 True Signal Fidelity, DC up to 900 MHz 1.5 pF Input C*1 1 megaohm Input R*1 1X/10X/100X AC-DC Coupling Variable DC Offset, up to ±200 V Selectable 50 ohm, Termination for Use with 50 ohm or 1 megohm Inputs