What are GPS Filter Amplifiers?
GPS Filter Amplifiers are a combination of a GPS Filter and a Low Noise Amplifier or In-Line Amplifier. They are used to filter and amplify the GPS signal. They can be used to filter and amplify signals in GPS frequency bands - L1, L2, and L5. GNSS Filter Amplifiers are also available for other Constellations like Galileo, Biedou, GLONASS etc. A GPS Filter stops undesired signals from reaching the receiver, however in some cases, the signals that are received are too weak, this is where the amplifier comes in and amplifies the signal. A GPS filter amplifier is a single device that integrates an amplifier and filter.
Key specifications to look for in GNSS Filter Amplifier:
Operating Frequency/Passband (MHz/GHz): It is the range of frequencies that the filter will allow. These devices are usually developed for specific GPS/GNSS frequency bands. They amplify the signals in the passband and attenuate signals which don’t lie in it (stopband).
Attenuation/Rejection (dB): This is the level of attenuation that an out of band signal will see. It is property of the filter.
Gain (dB): The gain that the integrated low noise amplifier provides.
Noise Figure (dB): This is the noise figure of the low noise amplifier. It is one of the most important parameters of this device. The lower the noise figure, the higher the signal to noise ratio of a system. Typically, a low noise figure can be translated into better signal reception.
everything RF has listed GNSS Filter amplifiers from the leading manufacturers. Use the search tool to find GNSS Filter amplifiers based on your required specification. Once you find a list of matching products, you can view detailed product information, download datasheets or request a quotation. Your requirement will be sent to the manufacturer of the product and their distributors in your region.
