Array controller

S.A. Bota, A. Dieguez, J.L. Merino, R. Casanova, J. Samitier, and C. Cane. A Monolithic Interface Circuit for Gas Sensor Arrays Control and Measurement , Analog Integrated Circuits and Signal Processing 40 (2004), 175-184. 

Color raster devices A raster device can map an array stored in memory on to the screen so that the value of each element of the array controls the appearance of the corresponding point on the screen. It is possible to draw... 

Color raster devices A raster device can map an array stored in memory on to the screen so that the value of each element of the array controls the appearance of the corresponding point on the screen. It is possible to draw each atom as a shaded sphere, or to simulate the appearance of the Corey-Pauling-Koltun (CPK) physical models to maintain most of the famihar color scheme (i.e. C = black, N = blue, O = red, P = Green, and S = yellow). In such representation, atoms are usually opaque, so that only the front layer of atoms is visible. However, clipping with an inner plane or rotation can show the packing in the molecular interior. 

Hoefer, U., Bottner, H., Felske, A., Ktlhner, G., Steiner, K. and Sulz, G, Thin-film Sn02 sensor arrays controlled by variation of contact potential - a suitable... 

Bota, S. A., Dieguez, A., Merino, J. L., Casanova, R., Samitier, J. and Cane, C. (2004) A monolithic interface circuit for gas sensor arrays Control and measurement. Analog Integrated Circuits and Signal Processing, 40,175-184. 

The performance of the DNA microarray depends on a number of factors. Among them are the spot density (i.e. the number of spots per unit area) and the probe density (i.e. the number of DNA probes within the individual spot). The spot density determines the number of parallel analyses that can be performed by a single use of the array, controlling the efficiency and bioanalytical power of the array. The number of probes in a spot, on the other hand, defines the maximum number of targets that can be captured, and thereby controls the fluorescent intensity that signals hybridization, i.e. the analytical sensitivity. 

In the front panel of the VI, create two numeric array controls and label the controls as Concentration and Output. ... 

Wire the array controls to the X and Y inputs of the Linear Fit function node as shown in (Figure 5.21). Create two numeric indicators for the slope and intercept outputs of the Linear Fit function node. 

In addition to the PEs, the design of the array controller must also be considered. Being a one-off component it is more cost-effective to use an off-the-shelf microcontroller for the array controller than to develop a custom design. The question that does arise, however, is which microcontroller is most suitable, la order to address this question a basic generic controller design has been assumed and as more advanced capabilities are tested the controller requirements can be refined. Table 8.2 shows the basic instruction set for the assumed array controller. 

Case study y Table 8.2 TNP array controller instruction set ... 

The TNP is designed to be implemented as a rack of cards, each containing many PEs, attached to a workstation bus. Each card will form part of the systolic ring with a separate card containing the array controller, associated memory stores and host interface. The TNP environment is shown in Figure 8.4. 

Each PE is connected to its two nearest neighbours by a unidirectional data bus that shifts data between PEs from left to right. The output of the last PE is connected to the input of the first PE through the array controller, forming a ring out of the linear array. 

The instruction format for both the TNP PEs and the array controller s instruction word is shown below in Figure 8.5. The word is split up into six separate microcode fields to simplify instruction decoding. 

A recent review of bipolar electrochemistry focuses on the basic principles of controlling solution, rather than electrode potentials, and includes many demonstrated and possible applications [12]. The potential gradient generated across the bulk solution covering the electrode arrays controls the anode-to-cathode potential difference, which drives electrochemical reactions to generate optically detectable anodic products. Various wireless bipolar electrode array configurations and applications are considered. 

---