Both input and output impedance are quantities that you can often look up in the datasheets of a single component, figure out yourself for a transistor amplifier circuit, or even measure yourself.

High-impedance voltage measurement ... an amplifier with a high impedance input. Even when these were replaced in the solid-state era with FET amplifiers they remained expensive devices, and ...

such as amplifiers, switching devices, and impedance matching networks. Field effect transistors (FET) do have a number of differences when compared to BJTs, including: FETs are voltage-controlled; ...

Each DSCA37 non-linearized thermocouple input module provides a single channel of thermocouple input which is filtered, isolated, amplified, and converted to a high ...

In the name of practicality, usefulness, and a little bit of fun, we decided to spend the second half of our semester building a laser-based microphone. The idea behind this was that sound waves will ...

Figure 1 is based on the OP37 which has an impressive list of specs. They include a 60 MHz gain-bandwidth, making 20 kHz bandwidth compatible with gain up to 3000x = +70 dB, noise ~3 nV/Hz 1/2 which ...

065TSMC_LNA_09 is used to amplify signal from the radio receiver input in band up to 150MHz. LNA has a low noise figure, high linearity and wide gain tuning range. LNA consists of three stages. Each ...

This handheld fat loss monitor uses bioelectrical impedance to measure your BMI and body fat ... Note that you need to input your height and weight manually for it to work. According to the ...

A poor CTR can lead to low ad positions, no matter how much you bid. Quality Score is a measure of an advertiser’s relevance as it relates to keywords, ad copy, and landing pages. The more ...

"So the idea is to use those to measure the changes in noise and how they affect marine life - like calling whales or fish choruses," Prof Tyack said. "Just like people and cities may have noticed ...

Measures announced in the budget will cost one of the UK's biggest supermarket chains £140m, its chief executive said. The rise in employer's national insurance contributions, announced by ...