VBT50E Connectors, Interconnects

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The VBT50E is a precision voltage-standing wave ratio (VSWR) precision coaxial terminator. It is designed to match the incident wave with its matched load wave. It can withstand high power levels and can be used in high-frequency signal transmission systems including radiofrequency (RF) communications, broadcast television, satellite, cellular mobile telephone, and other wireless systems. The VBT50E terminator provides low VSWR and high insertion loss performance as well as maximum repeatability, peak power, and low and wide-band frequency range characteristics.

Application Field

VBT50E is specially designed for applications involving external RF communication, supporting the development of extremely precise signal transmission. It can be used with coaxial cables to provide excellent termination quality in RF/EMI applications. Typical applications include antenna control systems, base station unit systems, data communication for cellular, microwave ovens, point to multipoint EMC applications, and telecommunications systems.

Working Principle

The principle of operation of VBT50E is based on the common relationship between the characteristics of the transmission line (impedance) and the load with which it is connected (the characteristic impedance). By choosing a suitable load, the ideal characteristics of the line can be maintained, minimizing signal reflections at the interfaces. In order to match your line with the VBT50E terminator, the impedance of the terminating load must be equal to the characteristic impedance of the transmission line. This can be achieved by loading your line with the VBT50E terminator and then adjusting the calibrated load values.

The VBT50E terminator is equipped with a temperature compensation mechanism to maintain maximum stability of the frequency response, no matter the temperature conditions. This compensating mechanism adjusts the termination resistance to compensate the changes in temperature to ensure excellent transmission of the signal. The adjustable terminal allows different impedances settings ranging from the nominal value up to 5% higher/lower than the nominal value, so the user can fine-tune the transmission characteristics to the specific requirements of the application.

The compact and light-weight design of the VBT50E terminator ensures a wide range of applications and good portability. The robust construction enables the termination of signals in heavy industrial conditions, with the possibility of high power operation. Furthermore, it has minimal reverse detection along with a wideband insertion loss capability that allows continuous tuning of the reverse power without having to adjust the load value.

Conclusion

Therefore, the VBT50E terminator is an ideal choice for precise tuning of impedance matching networks in RF/EMI applications, featuring noise reduction and cable length optimization. By providing maximum signal repeatability, high power handling capacity and reliable operation under various environmental conditions, the VBT50E terminator enables excellent performance in a variety of applications.

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