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Impedance Characterization of a Wideband Bias Tee

28.04.2022

photo and circuit of a bias tee

A bias tee is often used to add a DC offset to an RF signal ideally without affecting its transmission. In the simplest format, this is often achieved with an L||C circuit, where the high-frequency RF signal passes through the capacitor C, and the DC counterpart is injected across the...

Quantum Material Characterization for Streamlined Qubit Development

03.01.2022

Basic decoherence types

In this webinar, we covered the material properties that are most important to consider when developing qubits with longer coherence times and looked into how to characterize these materials accurately and efficiently. By focusing on the fundamental properties of the materials, simpler fabrication methods and experimental setups can be used...

Getting Additional Insights into Your Setup with the MF-DIG Option

08.11.2020

DIG Schematics

Lock-in amplifiers are at their best when rejecting the noise and increasing the signal-to-noise ratio. When the setup is well characterized the measurements are carried out at a single frequency and measured against external parameters. Throughout the measurement, detailed noise spectra reveal critical changes in the physics of the experiment...

Achieving High Data Transfer Rates with the UHFLI

07.07.2015

Scope Streaming Schematic

The UHFLI Lock-in Amplifier features the smallest time constant on the market, making it an excellent instrument for fast measurements like in imaging applications. The UHFLI can provide demodulated data at a bandwidth of up to 5.2 MHz and sampled at up to 14 MSa/s...

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