| 摘要 |
<p>A modulator (11) receives an I-phase transmission data signal (I Data) and a Q-phase transmission data signal (Q Data), which have been spread-spectrum processed, and modulates an intermediate frequency signal in accordance with the data signals, an IF-AGC amplifier (13) amplifies the output of the modulator (11), the gain of the IF-AGC amplifier (13) being controlled in accordance with a gain control signal GC-ADJ1), an up-converter (14) increases the frequency of the output of the IF-AGC amplifier (14) to a transmission frequency, the gain of the up-converter (14) being controlled in accordance with a control signal (GC-ADJ2). <IMAGE></p> |
