The current study investigated the role of the inter-screen luminance contrast (ISLC) of trial blank screens between target and mask screens in visually masking scenes. Participants performed a scene gist recognition task in which we varied mask strength, blank screen luminance, and stimulus onset asynchrony (SOA). Results showed that the more luminant white, and less luminant black, blank scre...

This paper presents a novel quadrature sinusoidal oscillator using second-generation current conveyor transconductance amplifier as an active building block. The proposed circuit employs only a single second-generation current conveyor transconductance amplifier, four passive components. The proposed circuit offers the advantages of independent control of the condition of oscillation and freque...

This paper introduce a new current mode Schmitt trigger circuit using a single Current Controlled Differential Difference Current Conveyor Transconductance Amplifier (CCDDCCTA). The circuit is designed using a single CCDDCCTA without any passive component. The proposed Schmitt trigger circuit is designed at a supply voltage of ±1.25V, bias voltage of -0.8V using PSPICE and the model parameter o...

It is introduced a new genetic algorithm to synthesize the negative-type second generation current conveyor (CCII-) by superimposing a voltage follower (VF) with a current follower (CF). First, the VF and CF are described by binary genes. Second, the gene CF is inverted, rigth-shifted and multiplied (AND operation) with the gene VF to verify that both genes can be superimposed to synthesize the...

DNA sequencing using solid-state nanopores is, in part, impeded by the relatively high noise and low bandwidth of the current state-of-the-art translocation measurements. In this Letter, we measure the ion current noise through sub 10 nm thick Si3N4 nanopores at bandwidths up to 1 MHz. At these bandwidths, the input-referred current noise is dominated by the amplifier's voltage noise acting acr...

The influence of the peer group on young people’s achievement motivation has been highlighted in the literature as an area that needs examination (e.g., Harwood & Swain, 2001). To this effect, a new measure of youngsters’ perceptions of the peer motivational climate (Peer Motivational Climate in Youth Sport Questionnaire; PeerMCYSQ) was developed and tested across three studies. In Study 1, exp...

Mann, David William: 90nm CMOS Driver Amplifier for WCDMA Mobile Applications (Under the direction of Dr. Kevin Gard.) Integration is driving today’s cellular phone industry to create single chip cellphone systems. With the integration of Radio Frequency Transmitters into CMOS technology, robust circuits are needed that can scale with new technologies. This thesis explores the challenges of des...

Ground testing of WFC3 under ambient conditions during April of 2007 was performed in order to prepare for upcoming thermal vacuum testing. As a part of this ambient testing, the dark current rate of the spare UVIS package (UVIS build 2) was measured while the CCD was operating at a temperature of -54oC. This temperature is significantly higher than the nominal operating temperature of -83oC, l...