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A Built-In Self-Test (BIST) approach has been proposed for functionality measurements of analog circuitry in mixed-signal systems. The BIST circuitry consists of a direct digital synthesizer (DDS) based test pattern generator (TPG) and multiplier/accumulator (MAC) based output response analyzer (ORA). In this paper we investigate and discuss the test time required by the ORA for analog measurements...
The effects of proton irradiation on the performance of key devices and mixed-signal circuits fabricated in a SiGe BiCMOS IC design platform and intended for emerging lunar missions are presented. High-voltage (HV) transistors, SiGe bandgap reference (BGR) circuits, a general-purpose high input impedance operational amplifier (op amp), and a 12-bit digital-to-analog converter (DAC) are investigated...
A built-in self-test (BIST) approach has been proposed for functionality measurements of analog circuitry in mixed-signal systems. The BIST circuitry consists of a direct digital synthesizer (DDS) based test pattern generator (TPG) and multiplier/accumulator (MAC) based output response analyzer (ORA). In this paper we investigate and discuss the effects of phase delay on analog functionality measurements...
We present an efficient approach for on-chip frequency response measurement, including phase and gain, of analog circuitry in mixed-signal systems. The approach uses direct digital synthesizer (DDS) to supply test sine waves with different frequencies and phases. The output response is analyzed using a multiplier and accumulator. The resultant phase delay measurement is used to correct other measurements...
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