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100MHz Differential Probe - 240V
We have designed a new version of this probe with several enhancements.
Have a look here: https://www.pcbway.com/project/shareproject/A_new_100MHz_differential_probe_65c69c02.html
This is a joint project to build a differential probe that has a bandwidth of about 100MHz.
The probe has an input impedance of 20MegΩ// 1.25pF - differential, 10MegΩ//2.5pF for each terminal to GND.
Differential Gain is 1/10 V/V. The maximum input voltage is +/-25V and a Common Mode of 240V AC.
This means that you can look at signals that are mains referenced.
The details can be found on my Blog here: https://www.paulvdiyblogs.net/2017/10/differential-amplifier-probe-make-buy.html
This version can handle up to 240V and used a standard 5V USB wall wart for power.
The chief designer of the probe, Bud Bennet describes his version, which is a little different here: https://hackaday.io/project/169390-a-10x-100mhz-differential-probe
Other files can be found here : https://github.com/paulvee/100MHz-Differential-Probe
100MHz Differential Probe - 240V
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to
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