When you buy a low- to mid-range oscilloscope, it usually comes standard with a high-impedance passive probe per oscilloscope channel. Compared to active probes, passive probes are more rugged and ...

LeCroy's family of single-ended active probes feature a high input resistance of 1 MΩ and low input capacitance of 0.9 pF. LeCroy’s family of single-ended active probes feature a high input resistance ...

When you think of a scope probe, you usually think of what is basically a wire with a spring hook and an attenuator. Those are passive probes. [Kerry Wong] shows off a pre-release active probe that ...

Agilent Technologies has introduced two active differentialprobes for its RF and microwave instruments. The U1818A and U1818B feature highdifferential input impedance from 100 kHz to 7 GHz and 100 kHz ...

Designed for use with the Infiniium 54800 series of oscilloscopes, the 1156A, 1157A and 1158A active probes boast of a compact size, promising easier access to hard-to-reach areas. Basic features of ...

The development of fluorescent probes for imaging in Alzheimer’s disease has rapidly expanded, with these molecular tools enabling the non-invasive visualisation of pathological biomarkers such as ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

A genetically encoded “live-cell” probe designed by researchers from Tokyo Tech has been able to identify phosphorylated Ser2 in the enzyme RNA polymerase II, subsequently identifying sites of the ...

Instant synapse visualization with our fluorescence probe. A diagram showing that the fluorescent probe can visualize AMPA receptors on synapses by sprinkling. There are few scientific methods more ...