SKY73420-11 RF/IF and RFID

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RF mixers are two-port active or passive electronic components used for down-converting and up-converting frequencies. In communications, transmission of a signal at one frequency to a receiver at a different frequency is often required. The SKY73420-11 RF mixer is a good choice for such frequency conversion applications. In this article, the application field and working principle of SKY73420-11 RF mixer are discussed.

Application Field

The SKY73420-11 RF mixer was designed for frequency conversion with no pre- or post-filtering. It is ideal for a variety of commonly used transmission systems, such as RADAR, communication systems, avionics, wireless video systems, navigation systems and aerospace applications. The SKY73420-11 RF mixer also performs as a switch by controlling the RF signal while providing a very narrow frequency bandStop insertion loss.

The frequency range of the SKY73420-11 RF mixer is between 2500 MHz to 3500 MHz. The mixer also features a LO isolation of better than 17 dBc, a LO leakage of better than -35 dBm, a conversion loss better than 9 dB and an IP3 of better than +18dBm. This ensures that the mixer operates reliably in various frequency bands.

Working Principle

The working principle of an RF Mixer is the same whether it is the SKY73420-11 or any other type of mixer. The core component of an RF mixer is a non-linear device such as a diode, transistor or FET. This non-linear component is used to mix and convert two signals applying different frequencies into a single output signal.

When a signal is applied to the RF input port, it is combined with a signal from the local oscillator (LO) port to create frequencies which are the sum and difference of the two with respect to their frequency. The output of the mixer is then taken from the combined sum and difference signals. The output signal contains frequencies which are the result of mixing the input signals. These include the products of the two inputs, their sum and difference.

The level of conversion of the RF signal will depend on the device employed in the mixer. This level of conversion is the difference between the received and converted parameters. The SKY73420-11 RF mixer is designed to provide high-linearity conversion for complicated signal sources, while preventing intermodulation distortion for clean signal sources.

Conclusion

The SKY73420-11 RF mixer is a high-performance, reliable mixer for frequency conversion applications. Its wide frequency range, good IP3 performance, and high LO isolation make it ideal for many types of transmission systems. This article has discussed its application field and working principle, providing a better understanding of the SKY73420-11 RF mixer.

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