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  • Schottky Mixer Feature High Dynamic Range
    of the mixer. The signal for the RF port of the mixer is typically derived from a low noise amplifier (LNA) which ultimately comes from an antenna. The resulting intermediate frequency (IF) produced from mixing the two signals is then processed or possibly down converted again.
  • Schottky Diodes
    Schottky diodes have been. used for several decades. as the key elements in frequency. mixer and RF power. detector circuits. In 1938 Walter. Schottky, the son of German. mathematician Friedrich. Schottky, explained the manner. in which a junction comprised. of specific combinations of metals
  • Impedance Matching Techniques for Mixers and Detectors - App Note (.pdf)
    to know the admittance of the diode in the frequency band of interest. As an example, the Agilent Technologies 5082-2709 mixer diode will be matched from 8 GHz to 12 GHz. A common local oscillator power level is one milliwatt, but it is not useful to measure the diode admittance at this level
  • EETimes.com | Electronics Industry News for EEs & Engineering Managers
    . here today announced three new mixer chips, based on a silicon germanium (SiGe) process technology. The SMDI STM-1116, STM-2116 and SRM-3116 active transmit mixers are geared for the 800-MHz to 2.5-GHz frequency bands. The devices include on-chip radio-frequency (RF), intermediate-frequency
  • Automated foundry fights foreign competition
    with little downtime. An operator directs the mixer head via joystick to fill pattern boxes with sand. These get compacted on a vibrating table. Compaction time and vibration frequency are set for each pattern according to mold qualities, and a robotic strickling tool removes excess material. Molds then move

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