Signal Amplifiers

Signal amplifiers are electronic devices that can increase the power of a signal (a time-varying current or voltage) by increasing its amplitude (a measure of the change of a periodic variable over a single period).

How do signal amplifiers work?

The amount by which an amplifier increases a signal’s power is measured by its gain: the ratio of current, power or output voltage to input. Signal amplifiers will usually be fitted with a gain knob to adjust the signal strength as too much gain can distort the signal.

What are signal amplifiers used for?

Signal amplifiers are designed to function well in applications such as television and radio transmitters and receivers, microcomputers, high-fidelity (Hi-Fi) stereo equipment, guitars and other instrument amplifiers. Signal amplifiers will often include a transistor or electron tube to amplify output voltage.

A digital signal amplifier for antennas, for example, will help boost the signal of your antenna resulting in better reception where obstructions such as buildings or trees are hampering the signal quality.


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Description Price Supported Frequency Bands Maximum UHF Frequency Number of Outputs
RS Stock No. 197-4158
Mfr. Part No.TGR2051
BrandAim-TTi
HK$20,115.03
Each
units
150 → 1500000 kHz 1000MHz 1
RS Stock No. 197-4159
Mfr. Part No.TGR2053
BrandAim-TTi
HK$31,609.33
Each
units
150 → 3000000 kHz 3000MHz 1
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