CX2156NL

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Balun is a type of electronic component used in many electrical systems. The CX2156NL is a popular balun that is widely used in radio and other applications. In this article, we will discuss the CX2156NL application field and working principle.

The CX2156NL is an unbalanced-to-balanced transmission line transformer. It is designed to interface between unbalanced circuits such as single-ended and balanced circuits such as two-wire differential line. It can also be used to provide common-mode EMI or RFI noise rejection, as well as reduce the possibility of dipole-induced ceiling or floor effects. The CX2156NL balun has a frequency range of 200 kHz to 4 GHz, insertion loss of 3.5dB (typical), phase unbalance of 0.3° (typical) and isolation of 20dB (typical). It also has a maximum VSWR of 2.2:1 and a maximum insertion loss of 10dB at 4 GHz.

The working principle of the CX2156NL is based on transformer action. The signal is fed to a single-ended transmission line and the line is inductively coupled to a second transmission line. The second line carries the signal in its common mode, and the signal is reversed in polarity when exiting the balun. This balanced signal is then delivered to the target device. The use of transformer action ensures that the load is immune to common-mode noise or disturbances.

The CX2156NL balun has a wide range of applications, includings wireless communications, military, satellite, CATV, RFID, and test equipment. It is also used in medical equipment, navigation systems, and automotive applications. In addition, the CX2156NL is used in radio receivers and transmitters, including RF wireless systems, cellular phones, and WiFi systems. Due to its low insertion loss and wide operating frequency range, the CX2156NL balun is also widely used in digital audio and video systems. These include audio-video receivers, home theatre systems, and digital-to-analog converters.

In conclusion, the CX2156NL balun is a popular component for providing balanced transmission lines in electrical systems. It has a wide application range and its transformer action ensures that the load is immune to common-mode noise or disturbances. The CX2156NL balun is a versatile component and can be used in a variety of applications, including wireless communications and digital audio-video systems.

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