The Dualband Mast-Preamplifier DBA-270 improves the receiving characteristics of
amateur radio stations in the 2-m and 70-cm-Band. Due to the built-in Diplexer only
one HF-socket for the combi-antenna and the coaxial cable has to be connected.
The maximum output power is 100 Watt. As all preamplifiers made by SSB-Electronic GmbH,
the DBA-270 offers direct feeding as well as remote feeding. Direct feeding is done over a
UHF socket, remote feeding the existing coaxial cable is used, as usual. You should connect
a crossover network Type DCC-12N. If the transceiver is used in combination with a power
amplifier, we recommend the crossover network Type DCC-12N.
The DBA-270 can be switched by the transceiver via the coaxial cable, if the transceiver can
contrrol a mast preamplifier.
Noise figure typ.
0,5 dB / 2m; 0,7 dB / 70cm
20 dB / 2m; 24 dB / 70cm
200 Watt SSB / 100 Watt FM
0,1 dB / 2m; 0,2 dB / 70cm
12V - 14V
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