Bandwidth-expandable medium-wave antenna feeder system

• Main Authors: LI GUANG, LIANG DONGSHENG, ZHENG DEFU
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2020
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention discloses a bandwidth-expandable medium-wave antenna feeder system, which comprises a transmitter, an antenna tuning module and a medium-wave T-shaped antenna. The transmitter is connected with the antenna tuning module, and the antenna tuning module is connected with a transmitting antenna; wherein the antenna tuning module comprises a pre-adjusting coil L1, an inductance coil L2, an inductance coil L3 and an inductance coil L4, the transmitting antenna is grounded through the pre-adjusting coil L1, and two ends of the L1 are connected with a capacitor C1 in parallel and used for limiting lightning direct-current components at the front end of a network; wherein the transmitting antenna is connected with the transmitter through an inductance coil L2, an inductance coil L3, an inductance coil L4 and a capacitor C4 in sequence, the connecting position of the inductance coil L2 and the inductance coil L3 is grounded through a capacitor C2, and the two ends of the inductancecoil L4 are connected wi