CPC H04B 1/0458 (2013.01) [H04B 1/0057 (2013.01); H04B 1/0483 (2013.01)] | 18 Claims |
1. A transmission device comprising:
a signal source configured to output a local signal with a first frequency;
a first amplifier configured to amplify the local signal output from the signal source;
a first mixer configured to mix a first input signal with an intermediate frequency and the local signal amplified by the first amplifier and to output a first output signal; and
a second mixer configured to mix the first output signal output from the first mixer and the local signal amplified by the first amplifier and to output a second output signal.
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