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  • Testing & Matching PCB Antennas
    scenarios. The typical antenna in the 2.4GHz ISM bands and up is a compromise to begin with because of multiple band requirements and size and space constraints; accordingly the typical SWR may be far more significant than reflection or attenuation from a less than ideal test cable interface. Every device
  • Bootstrap Power Supply for Motor Control
    Bootstrap power supplies can be used to reduce the. number of isolated power supplies or DC-to-DC converters. This helps to reduce cost and the PCB space as. compared to transformer-based power supplies. The. bootstrap output power supply circuit is used to power. the top-bridge gate drives
  • Designing Ultra Low Noise Amplifiers for Infrastructure Receiver Applications
    ) pHEMT. The SKY67101-396LF, covering 0.7-1.0 GHz, and the SKY67100-396LF, covering 1.7-2.0 GHz, are appropriate for application in GSM, WCDMA, TDSCDMA, and LTE infrastructure receiver chains. For low cost and efficient use of PCB space, the LNAs are housed in a 2 x 2 mm QFN package and share a common
  • Miniature PCB Mount 5 W AC-DC Power Supply Meets International Medical Safety Standards
    and measures just 35.6 x 23.7 x 17.6 mm in its open frame format, requiring the minimum of space in the end application.
  • Using Low Resistance MOSFETs as Load Switches
    of operation. This function is often overlooked by the designer and its implementation is frequently left until very late in the design stage, when PCB space is at a premium. The MOSFET provides a low resistance path between the battery and the load. When fully turned on, the MOSFET appears and acts like
  • Applying the TC1219/TC1220 Inverting Charge Pumps with Small External Capacitor Values
    the luxury of a reasonably low output resistance (25??typical) capable of driving load currents up to 25 mA. However, these larger-value external capacitors are more expensive and require additional printed circuit board (PCB) space than their smaller-valued counterparts. Additionally, the time required
  • Computer Power User Article - Soltek SL-K8AN2E-GR
    . We like this model because it saves precious PCB space, but we've found that many mobo makers place the nForce3 250 just behind the AGP card. The location prevents users
  • The Evolution of Switched Capacitor Backlight Drivers in Mobile Phones
    , and occupy more PCB space. In addition, converters are inherently less efficient in light load applications because their MOSFET gate charge losses and quiescent current losses outweigh MOSFET conduction losses.

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