Home Posts Projects CV About Contact
← All projects
1 GHz Active Oscilloscope Probe
Completed

1 GHz Active Oscilloscope Probe

Designed a wideband, DC-coupled active probe using an open loop buffer topology. High-speed PCB uses controlled impedance routing and minimized parasitics to extend bandwidth to 1 GHz.

RFPCB LayoutAnalogHigh Speed
Probe Impedance Graph
Probe impedance vs 3pF impedance over frequency
Differential probe schematic in LTSpice
Differential probe schematic
Differential probe frequency response
Differential probe frequency response
Oscillation Waveform
Oscillation waveform on 500Mhz MDO3054 scope
Oscillation Spectrum
Oscillation spectrum using spectrum analyzer on MDO3054