HHM17168B1 RF/IF and RFID

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Baluns are commonly used for applications requiring balanced signaling. A balun is a transformer designed to convert between a balanced transmission line and an unbalanced transmission line. The HHM17168B1 is a distinctive two-to-four wire balun designed for multimedia applications boasting excellent low reflection and Stray Electro-magnetic Field (EMF) rejection.

The transmission line utilized in this balun is a hybrid that combines both a coaxial line and shielded pairs. This combination has the benefits of both providing the versatility of coaxial cable while also reducing the amount of Capacitively Coupled Noise (CCN) that can be induced onto the signal. The coaxial line transmits the higher frequencies ensuring a clear signal transmission while the shielded pair carries the lower level signals which improves the overall noise immunity.

The operating frequency range of the HHM17168B1 is from 50 MHz to 1.8GHz making it ideal for many multimedia applications. It features a high common-mode noise suppression capability as well as broadband operation with an input impedance of 50 ohms. Also, the HHM17168B1 enjoys excellent return loss performance, low distortion, and excellent high frequency transmission.

When looking at the HHM17168B1 application field, we find that it is commonly used to provide signal impedance conversion in multi-layer PCBs, distribute multiple signals over two output paths, and for signal level harmonization. Each application may have specific needs regarding signal integrity, frequency range, power handling, and other special requirements. The HHM17168B1 is designed to handle a wide variety of multi-layer PCBs and input signals. It offers excellent signal performance over a wide range of frequencies, excellent power handling, and a low return loss.

Now we turn to the HHM17168B1 working principle. When a voltage is applied across the balun, it produces alternating current in the two output lines. This current provides an alternating magnetic field which is in turn coupled to the two output shields. This inductive coupling produces an unbalanced signal - the desired result. As the frequency of the applied voltage increases the coupling between the two output lines increases. This creates the so-called "balun effect" which allows the HHM17168B1 to provide a balanced transmission from an unbalanced signal at frequencies up to 1.8GHz.

The HHM17168B1 is a powerful, versatile balun designed for multimedia applications. It features excellent return loss, low CCN, wide frequency range, and a low output impedance (50 ohms). It can be used for a variety of applications such as signal level harmonization, signal impedance conversion, and distributing multiple signals over two output paths. Highly reliable and robust, the HHM17168B1 is the perfect choice for any multimedia application.

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