To operate a number of transmitters on a common antenna within the same frequency range, a tunable band filter with an antenna output which has a high impendance outside the respective pass band is provided for each transmitter. The antenna outputs of the filter are directly connected together with short line sections and are preferably arranged in the immediate vicinity of the antenna.
申请公布号
DE3834732(A1)
申请公布日期
1990.04.19
申请号
DE19883834732
申请日期
1988.10.12
申请人
TELEFUNKEN SYSTEMTECHNIK GMBH, 7900 ULM, DE
发明人
KOMBRINK, FRIEDEMANN, 7907 LANGENAU, DE;ESPRESTER, RALF, DR., 7909 DORNSTADT, DE