As long as the peak value of the current stays the same, the peak value of the induced magnetic field also doesn't change. That means the induced current in the secondary coil increases with the number of turns. Thus, a transformer provides a way to amplify an electric signal, which is ...
An op amp has differential inputs, but a differential amplifier is a specific function. Referring to the diagram above, using resistors of equal value creates a voltage subtractor. This configuration produces an output voltage proportional to the voltage difference between the two input signals. This...
an NPN transistor connected in such a way behaves as an amplifier but it doesn't always amplify there are certain conditions for that right so in this example we'll explore this in great detail we'll understand under what conditions our transistor acts as an amplifier and under what condition...
This basic approach can be used to amplify all kinds of things, not just audio signals. Anything that can be carried by an electrical current --radioand video signals, for example -- can be amplified by similar means. Audio amplifiers seem to catch people's attention more than anything else...
As long as the peak value of the current stays the same, the peak value of the induced magnetic field also doesn't change. That means the induced current in the secondary coil increases with the number of turns. Thus, a transformer provides a way to amplify an electric signal, which is...
Beyond the passive attenuated probe, there are a variety of other probes out there.Active probesare powered probes (they require a separate power source), which can amplify your signal or even pre-process it before it get to your scope. While most probes are designed to measure voltage, ther...
direction and distance that the mic will pick up sound from, and each pattern will suit a corresponding application. For instance, cardioid pattern mics are ideal for recording live performances without capturing too much crowd noise. Many handheld microphones used to amplify vocals are cardioid ...
and some rarified gases in a near-vacuum that allows the free passage of an electric current. Instead of modern-day silicon transistors, tube amps rely on vacuum tubes to convert electrical currents and amplify the audio signals that eventually make their way out of your speakers and headphones...
Essentially, the stapes acts as a piston, creating waves in the inner-ear fluid to represent the air-pressure fluctuations of the sound wave. The ossicles amplify the force from the eardrum in two ways. The main amplification comes from the size difference between the eardrum and the stirrup...
A single Darlington should be enough to amplify a signal from photodiodes, no need of adding additional Darlington BJTs, it won’t help. Please let me know what you are try to build with the photodiodes? Is it a proximity sensor?…if possible please show the schematic diagram, I will try...