Dual-band mobile broadcasting station adjusting and maintenance device

• Main Author: WANG DONGHU
• Format: Patent
• Language: English
• Published: 25.02.2015
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION

The utility model relates to a dual-band mobile broadcasting station adjusting and maintenance device, and belongs to the wireless ultrahigh frequency transceiver adjusting device technology field. The adjusting and maintenance device is composed of a single chip microcomputer frequency control circuit, a unit module adjusting circuit, an error code adjusting circuit and the like. The adjusting and maintenance device is characterized in that the single chip microcomputer frequency control circuit is connected with a button switch on a cabinet; corresponding pins are connected with interrupt signal ends and enabled LE signal ends of 400MHz and 800MHz exciters and receivers; the unit module adjusting circuit is connected with 800MHz and 400MHz exciter interface, a receiver interface, an electronic switch, a power amplifier interface and a mobile station base band interface. The frequency change and emission starting time, the error code rate, the digital sensitivity and the like can be tested conveniently. Four transmit-receive units share an adjusting wire. The power amplifier and electronic switch share an interface. The whole machine carries out adjusting and maintenance through the mobile station base band interface, wiring and operation are simple and convenient. The adjusting and maintenance device is suitable for adjusting of the whole machine and facilitates independent adjusting of each unit.