U2790B-NFPG3H

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RF modulators are electronic devices used for the modulation of radio frequency signals. The U2790B-NFPG3H is an RF modulator specifically designed for digital modulation applications. It is a multi-channel RF modulator that transmits up to four channels of a multiplexed modulated signal from one device. It is designed to conveniently multiplex digital video from any analog or digital sources including video tape recorders, recording studios, satellite receivers, set-top boxes, and DVD players.

The U2790B-NFPG3H RF modulator has a number of application fields including terrestrial broadcast, cable network, surround sound encoding, digital audio broadcasting, home theater systems, set-top boxes, and video game development. Its main purpose is to provide modulated RF signals from multiple source inputs, which are commonly used for TV broadcasts or similar transmissions. This modulator is capable of operating over a frequency range from 30 MHz to 1000 MHz, which makes it suitable for many applications.

The working principle of the U2790B-NFPG3H RF modulator is based on the concept of frequency-shift keying (FSK). FSK uses a modulation signal to vary the frequency of a carrier signal in order to convey binary data. In this case, the modulator takes the multiplexed digital signals from a variety of sources and then modulates the frequency of the carrier signal accordingly. This modulated RF signal is then transmitted through an antenna, allowing it to be received by a receiver. The receiver then descrambles the modulated RF signal, resulting in the original digital signal from the various sources.

The U2790B-NFPG3H RF modulator has a number of features that make it suitable for many applications. It is capable of handling up to four channels for inputting multiplexed signals from different sources. It is highly efficient, with a power output of up to 28dBmV, and has a high resolution up to 1 Hz. Additionally, it supports a wide range of RF frequencies and provides a low deviation, helping to reduce signal distortion. Furthermore, it is also capable of automatically scaling the output level, which allows the modulator to adjust its output power in a variety of conditions.

In conclusion, the U2790B-NFPG3H RF modulator is an essential device for digital modulation applications. It works based on the concept of frequency-shift keying, which allows it to modulate a carrier signal according to the multiplexed digital signals from various sources. It can handle up to four channels for inputting multiplexed signals from different sources and supports a wide range of RF frequencies. Additionally, it has a high resolution up to 1 Hz and is capable of automatically scaling the output level, which helps to reduce signal distortion.

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