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  • Prototyping with Frequency-Flexible Crystal XOs
    change clock frequencies during the prototyping and validation stages of a design can accelerate time to market. The use of frequency-flexible, programmable crystal oscillators (XOs) as prototyping tools can facilitate the process of validating system performance and help streamline the overall
  • Evaluation of a Continuous-Indexing Vacuum Belt Filter as a Replacement for Filter Presses For the Manufacture of a High-Value Specialty Chemical Product
    Solid-liquid separation can be accomplished by pressure or vacuum filtration in a batch or continuous mode. Generally, following filtration, the cake must be washed and subsequently dried. The choice of technology depends upon a wide range of parameters of the solids (i.e. crystal size
  • Practical PICmicro(R) Oscillator Analysis and Design
    conflicting information. All the designer is really interested in is a simple set of rules resulting in a reliable oscillator design that will work despite crystal aging, deviations between devices, temperature or voltage. The problem is the simple Crystal Pierce Gate Oscillator (Figure 1) has a "simplified
  • Beta testing an in-line monitor for moisture measurement in inert gas lines
    was described in an earlier issue of Designed to measure moisture levels in ultra-high-purity (UHP) nitrogen and argon gases, the monitor uses a piezoelectric quartz crystal microbalance (QCM) sensor. The quartz crystal is coated with a thin film of barium metal, with which moisture reacts irreversibly
  • Low-Power Real Time Clock
    This application note uses the Timer1 module, from a mid-range PIC16CXXX microcontroller, to control a low-power real-time clock. Timer1 was chosen because it has its own crystal which allows the module to operate during sleep. The two events that will wake the device from sleep
  • Making Your Oscillator Work
    , resistor R1) to reduce crystal drive. XTAL. C1. C2. Distortion indicates an overdriven crystal. While such. oscillators start and operate quite nicely initially, there. is a possibility that in time, the crystal may become. damaged and cease to oscillate, or oscillate at some. TESTING/EVALUATION
  • MICRO:Products In Action - 2 (Oct. '99)
    , microcleaving achieves a target accuracy of at least 0.5 um. The cleave automatically aligns with the silicon's crystal-lattice structure and produces an artifact-free break. To support analysis of advanced copper devices, the microcleaving tool incorporates a liquid nitrogen filled cryocooling system, which
  • Continuous-Indexing Vacuum Filter as Replacement for Filter Presses (.pdf)
    Solid-liquid separation can be accomplished by pressure or vacuum filtration in a batch or continuous mode. Generally, following filtration, the cake must be washed and subsequently dried. The choice of technology depends upon a wide range of parameters of the solids (i.e. crystal size

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