OFDM Multitone Signal Generation Technique for Analog Circuitry Test Characterization

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Multitone test is an effective technique in many wideband circuit test applications. However, the traditional multitone test signal generation methods are complex and/or time consuming. In this brief, a new approach utilizing orthogonal frequency-division multiplexing technique is developed, which can effectively produce multiple frequency tones concurrently with fine resolution and low design overhead. For validation, filter test characterizations are performed and demonstrated.