CIRCUIT DESCRIPTION
1.Frequencies constitute
The receiver using highly integrated RF frequency chip, 1846S as a radio frequency (RF).
ANT SW
RX AMP
TX AMP
RF
AF AMP
MIC AMP
26MHz
2.The received signal amplifying circuit
The front-end (RF amplifier)
From the antenna signal into the transmit/receive switch diode circuits (D402 D403), and is the RF amplifier (Q401 3 sk318)
amplifier, directly into the 1846 s.
1846S
RDR2600
UHF
10
Содержание RDR2600
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