OFDM Multitone Signal Generation Technique for Analog Circuitry Test Characterization

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.