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The time-periodic property of the LCD VCOM noise is utilized to reduce the effect of the VCOM noise on the mutual-capacitance measuring touch sensor placed on a LCD panel. The amplitude of the touch sensor driving signal (VSTM) can be reduced reliably down to 0.4 V with the reporting rate of 189 Hz, by using the following two methods. (1) The frequency of VSTM is set to (n+0.5)·fN, by synchronizing...
We have successfully demonstrated a loop-back WDM-PON with a 100 Gb/s (80 × 1.25 Gb/s) capacity using spectrally sliced ASE injected RSOA. To mitigate the RIN degradations, we proposed injection current adjustment, dispersion management and the use of receiver with optimized decision threshold level.
We successfully demonstrated the 1.25 Gb/s operation of ASE injected RSOA with 50 GHz channel spacing by using the injection current adjustment, the dispersion management and the receiver with decision threshold level control. We could mitigate the RIN degradation caused by post filtering through the injection current adjustments, and also alleviate the dispersion induced RIN degradation by means...
A WDM-PON based on RSOA using spectrum-sliced incoherent light source has been widely researched through commercial service of 100 GHz spacing, 1.25 Gbps transmission, and continues to be researched on 100 GHz, 2.5 Gbps transmission for upgrading network capacity. However increasing the network capacity causes significant noise generation. In order to reduce the noise, we experimented and simulated...
Although many digital circuits can take the advantage of advanced process technologies, most analog and mixed-signal circuits still rely on creative analog circuit techniques that allow low noise, low power, high precision and high speed operation. This year's analog techniques session present five papers that address noise and signal integrity issues in MOSFETs, amplifiers, filters, and a simple...
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