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  • RF/MW Down Converter Development in a PXI Form Factor (.pdf)
    This paper is in support of a recent. Phase Matrix, Inc. (PMI) Phase I Small Business. Innovative Research (SBIR) investigative. study. The objective of this SBIR initiative was. to assess the feasibility of developing a Radio. Frequency/Microwave (RF/MW) Down Converter. in a Small Form Factor
  • Voltage-to-Frequency/Frequency-to-Voltage Converter
    to the rate of flow through it. The F/V converts this frequency to a proportional analog. voltage which is used to drive the valve controller. The valve controller regulates the valve so that the flow is steady, even though. pipeline pressure goes up and down. A voltmeter connected to the F/V converter
  • Step-Down DC/DC Converter Input Ripple and Noise
    When a step-down converter shares a common input voltage with other devices, the input noise generated by. the step-down converter may be sufficient to cause interference with the other devices. Simple filter methods. can be used to reduce the input noise, and simple models can be developed
  • DC/DC Converters With Linear Regulators
    transients, the system may also go out of regu-. used to reduce a converter’s output ripple or noise down to a. lation especially when the output of the converter is set higher. few mV (millivolts) or even microvolts. to provide the minimum dropout voltage for the regulator. Lin-. Through a negative
  • Application Guidelines for On-Board Power Converters (.pdf)
    to, at most, 30 W. Today, converter power. require an order of magnitude better regulation than. levels are increasing to 50, 100, 300 and even 400 W. past converters, and an increasing shift toward noise. in miniature sizes. These are rather dramatic. containment down to the board level. To address
  • Testing Transient Responce In DC/DC Converters
    down 50mV discharging the output capaci-. the converter, but it may increase the recovery time beyond. tor. After 7.5µS (2.5 power transferring cycles) the PWM. 100µS. Excessive capacitance (e.g. more than 1000µF) on. starts to react by increasing its duty cycles to deliver more. the output can
  • Driving the Analog Inputs of a SAR A/D Converter
    . system ground). With this action, the charge from the. MSb capacitor is redistributed among the other capac-. of the MCP320X ADC can be reduced to a switch. itors. The non-inverting input of the comparator moves. resistance and sample capacitor. up or down in voltage according to the way the charge
  • Output Voltage Ripple in Step-Down and Step-Up Switching Regulators
    Output voltage ripple is always an important performance parameter with DC-DC converters. For inductor-based switching. regulators, several key factors can affect this important parameter, including switching frequency, duty cycle, and. output capacitor value. Step-down and step-up switching