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SEQUENTIAL TEST generation poses a difficult problem for circuits implemented from finite-state machines. The flip-flops in sequential circuitssynthesized from FSMs generally have intricate cyclic structures that complicate sequential test generation. We have developed a parity checker design-for-testability scheme that significantly enhances circuit… (More)
A test socket chip for measuring dark currents of infrared (IR) detectors in a focal plane array (FPA) is presented in this paper. A calibration scheme adopted in this chip to cancel the leakage current due to OFF-state MOS switches tied to the measuring path is also demonstrated.
In this paper, an integrated passive device (IPD) inductor modeling is demonstrated. The IPD technology is a system in package (SiP) solution where passive devices with high quality can be fabricated on a chip and then connect with another circuit chip by using flip-chip micro-bump bonding. For an RF circuit simulation, the IPD inductor model is built and… (More)
Space-time block codes are considered as one of the prominent technologies for spatial diversity which is widely used to improve wireless system performance. However, an OFDM system with space-time block codes needs multiple fast Fourier transforms (FFT) posing an adverse effect on system computational load as the number of antennas and sub-carriers grows.… (More)
A 10-bit successive approximation ADC for low voltage and low power applications is proposed in this paper. The chip operating voltage is 0.7 V with single-ended rail-to-rail swing input signal. Binary-weighted multilayered sandwich capacitor array is used in the digital to analog converter employed in the ADC to reduce the overall capacitance value and… (More)