文档介绍：接收发天线
C+
做C型用
做C型用
RX-OUT
接收天线
单发天线
Y线
X线
3dB接在HL-OUT口
RXDA
COMBINER
CDU-C
TXA TXB
CDU-C FOR DCS1800MHZ
RXDA
COMBINER
CDU-C
TXA TXB
图61
RXDA
COMBINER
CDU-C
TXA TXB
CDU-C FOR PCS1900MHZ
ALNA
ANT-A
RXDA
COMBINER
CDU-C
TXA TXB
ALNA
ANT-B
图62
ALNA——低噪音放大器
RXDA
COMBINER
CDU-C
TXA TXB
CDU-C FOR 4TRUS
DUPL
ANT-A
RXDA
COMBINER
CDU-C
TXA TXB
DUPL
ANT-B
TRU1
TRU2
TRU3
TRU4
图63
TRU
TRU
TRU
TRU
TRU
TRU
TRU
TRU
FCOMB
FCOMB
FCOMB
FCOMB
FCOMB
FCOMB
TXBP
MCU
RXD
RXD
RXBP+
RXDA
RXBP+
RXDA
AS ABOVE
,
TRU7-12
DUPL
LNA
TMA
DUPL
LNA
TMA
TX/RX
TX/RX
TX
RX
CDU-D 1*12 WITH TMA
图63-1