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  • Measuring Frequency Conversion Devices
    to the 372/300 series. The mixer, a typical frequency conversion device, will be used as the DUT. However, everything covered is also valid for other frequency conversion devices such as up or down converters, multipliers, and dividers. The measurements that will be discussed are the following
  • Image Reject Mixers
    In an image reject mixer (IRM) the image is separate from the real signal by vector subtraction. An image is a spurious signal occurring in a receiver's IF terminal together with the real signal. If the frequency difference between the image and the real signals is relatively small, a conventional
  • Mixer VNA Measurements Application Note
    Frequency translated devices are key components of any communication system, whether they are up-converters, down-converters or basic mixers. Since their input and output frequencies are different, they require special features and setups for Vector Network Analyzer (VNA) measurements
  • 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.
  • 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
  • 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
  • | 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
  • Conversion Loss
    in providing frequency translation between the input RF signal and the output signal. It is a measure of the efficiency of the mixer in providing frequency translation between the input RF signal and the output IF signal. All conversion loss measurements are normally based on the mixer being installed in a 50

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