PRINTED CIRCUIT BOARD HAVING SEPARATE GROUND, AND MOBILE TERMINAL USING THEREOF

A PCB and mobile terminal using the same are provided to control ground length of a PCB by controlling inductance or capacitance of a connection device. A PCB comprises a substrate ground and connection devices(130, 131, 132). The substrate ground comprises main grounds(110, 111, 112) and isolation...

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Bibliographische Detailangaben
Hauptverfasser:	JANG, SEOK MIN, RAH, YONG JUN, LEE, HAN DUG
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS TRANSMISSION
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Beschreibung
Zusammenfassung:	A PCB and mobile terminal using the same are provided to control ground length of a PCB by controlling inductance or capacitance of a connection device. A PCB comprises a substrate ground and connection devices(130, 131, 132). The substrate ground comprises main grounds(110, 111, 112) and isolation grounds(120, 121, 122). The isolation ground is separated from the main ground. The connection device is an inductor or a capacitor. A size of the main ground is larger than a size of the isolation ground. A ground length of the PCB is controlled according to inductance of the inductor or capacitance of the capacitor. If the inductance of the inductor increases, the ground length is increased. If the inductance of the inductor decreases, the ground length is decreased. If the capacitance of the capacitor increases, the ground length is decreased. If the capacitance of the capacitor decreases, the ground length is increased.