BALF-SPI-01D3 RF/IF and RFID

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Balun is an abbreviation of balanced to unbalanced, and it is commonly used in electrical engineering to refer to a device that converts a balanced signal to an unbalanced signal or vice versa. The BALF-SPI-01D3 is a wideband, broadband, electrically compact balun designed for applications ranging from cellular communications to multiband antenna systems. This balun is designed to be both broadband and wideband, with a large frequency response that stretches from DC to 6 GHz. It has a low insertion loss, low noise, high return loss, high isolation, and is able to operate at power levels up to 5W.

Application Fields

The BALF-SPI-01D3 is an excellent choice for any application involving radio frequency (RF) or microwave signals. It is ideal for use in mobile communication systems, such as cellular, Wi-Fi, and WiMAX. It is also useful for antenna systems, such as Global Positioning Systems (GPS), rotation and tilt sensing antennas, and any other application requiring balanced and unbalanced signal conversion. In addition, the BALF-SPI-01D3 can be used in military and space applications due to its robust design.

Working Principle

The BALF-SPI-01D3 is composed of two balanced through lines and a common mode choke. The through lines are symmetrical so that the voltage differences between two adjacent lines are always equal and in opposite phase, but the currents are not always equal because the balun is designed differently depending on the application. For example, in a single-ended feed application, the two lines will be different lengths and are terminated differently at their open ends. The middle line will be longer than the outer line and will be terminated to ground, while the outer line remains open, allowing for the common mode current to flow. The voltage and current distribution can be modelled using a transmission line approach. The balun also has a common mode choke in the middle, which helps to reduce the common mode current and further improve the isolation between the balanced and unbalanced systems.

The BALF-SPI-01D3 has a low insertion loss, and its ability to operate at higher power levels make it an ideal choice for a variety of applications. In addition, the balun has excellent return and isolation characteristics, making it suitable for use in a variety of signal processing applications. Its wide frequency response and robust design make it suitable for use in a variety of challenging applications, such as military and space communications. As such, the BALF-SPI-01D3 can be used for a wide variety of applications in both commercial and military settings.

The specific data is subject to PDF, and the above content is for reference