High-impedance FET probe extends RF-spectrum analyzer's usable range - EDN
Passive Oscilloscope Probes | DigiKey
N5449A High-Impedance Adapter | Keysight
High impedance adaptor : r/AskElectronics
A FET Buffer Amp for High Impedance Probes – Electronic Projects for Fun
High Voltage Differential Probe, Low Noise High Impedance 200-500Apk Accurate Current Probe for Oscilloscope : Amazon.co.uk: Business, Industry & Science
Teledyne LeCroy ZS Series ZS1000 Oscilloscope Probe, Active Type, 1GHz, 1:10, ProBus Connector | RS
A high impedance active RF/AF probe with amplifier. - Share Project - PCBWay
Pico Technology TA222 High-Impedance Active Probe, 10x, 1.5 GHz, Tetris 1500 Series | TestEquity UK
ZS4000 High-Impedance Active Probe Operator's Manual
Oscilloscope Probe PMS221A
Pico Technology A3076 High-Impedance Active Probe, 10x, DC to 750 MHz, A3000 Series | TestEquity UK
High Voltage Differential Probe, Low Noise 200-500Apk ABS Multifunctional Current Probe High Impedance for Oscilloscope: Amazon.com: Industrial & Scientific
P5050B Tektronix, Oscilloscope Probe, Passive, 500 MHz | Farnell UK
High impedance probe | Coatings | Passive layer | EIS | Zahner