2450BM15B0002E RF/IF and RFID

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Baluns (balanced-unbalanced) are electrical devices, which are primarily used to match characteristics of differential-to-single-ended (a.k.a. balanced-unbalanced) transmission lines or signals. Popularly, they are used for transmission line applications, impedance matching, RF filtering, digital signal conversion and many other applications.

Specifically, 2450BM15B0002E is a high-performance Balun, which is capable of operating in a wide frequency range, from DC to 12GHz. It is also capable of providing a 50 ohms balanced interface for the single-ended 50 ohms transmission line. Moreover, this balun exhibits low insertion loss and low return loss at all of its operating frequencies.

With regard to its application field, 2450BM15B0002E is now widely used in signal conversion from RF signal to IF signal, wireless communication networks, radio antenna systems, radar systems, and space satellites etc. Moreover, as the performance of this balun is excellent, it is also widely used in high-end RF communication devices, such as Cellular & PCS handsets, satellite receivers, microwave radios and remote linking devices.

Finally, about its working principle: 2450BM15B0002E is a transformer based Balun. It has two main output ports, one being the primary and the other being the secondary port. The primary port consists of a pair of inductors that are connected in a special winding configuration that effectively cancels the common mode current flow. This is usually referred to as the “balance” part of the Balun. The secondary port consists of a third inductor connected in series with the primary ports. This inductor serves to match impedance for the single-ended portion of the transmission line, which is the unbalanced part.

By combining the balance and unbalanced components, the 2450BM15B0002E will provide a high impedance differential output interface, thus allowing a true impedance match between the system differential and single-ended portions of the transmission line. This effectively improves the matching accuracy of the system, reduces electromagnetic interference, and minimizes the radiation and reflections of the transmitted signals. This ensures that the device performs reliably and efficiently within its operating bandwidth.

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