Marki Microwave MM1-0626H RF Mixer

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The MM1-0626H from Marki Microwave is a passive GaAs double balanced MMIC mixer with an RF/LO frequency from 6 GHz to 26.5 GHz and IF frequency from DC to 9 GHz. The mixer has excellent conversion loss, isolation and spurious performance across its broad bandwidth. It is available as a wire bondable chip that measures 0.058″ x 0.046″ x 0.004″ or as a module with SMA connectors. Like most Marki Microwave products this model too has a non-linear software model available with the Marki PDK for Microwave office.

Product Specifications

  • Manufacturer: Marki Microwave
  • Description: 6 GHz to 26.5 GHz GaAs Double Balanced MMIC Mixer
  • RF Frequency: 6 to 26.5 GHz
  • LO Frequency: 6 to 26.5 GHz
  • IF Frequency: DC to 9 GHZ
  • Conversion Loss: 8 to 13 dB
  • LO Drive – Power: 12 to 20 dBm
  • P1dB: 9 dBm
  • IP3: 21 to 23 dBm
  • LO/RF Isolation: 53 dB
  • LO/IF Isolation: 30 dB
  • Impedance: 50 Ohms
  • Package Type: Chip, Connectorized
  • Dimension: 0.058 x 0.046 x 0.004 Inch
  • Operating Temperature: -55 to 100 Degree C

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MMIQ-1040L RF Mixer by Marki Microwave

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The MMIQ-1040L from Marki Microwave is an ultra-broadband  low LO drive, passive GaAs MMIC IQ mixer with a RF/LO frequency range from 10 to 40 GHz and IF range from DC to 12 GHz. It provides up to 30 dB of image rejection due to the excellent phase and amplitude balance of its on-chip LO quadrature hybrid. The mixer is available as a wire bondable die or connectorized modules.

IQ mixer users have typically had a choice: hybrid IQ mixers or CMOS IQ mixers. Hybrid IQ mixers have always been large, power hungry devices. The multi-section requirement of broadband LO quadrature hybrids made broadband IQ mixers difficult to miniaturize and have limited repeatability. Meanwhile, LO quadrature hybrid imperfections exacerbated mixer LO starvation. Conversely, CMOS IQ mixers are small and repeatable, but with poor linearity and limited high frequency performance.

This new mixer solves this issue. It uses a GaAs MMIC fabrication process using which they have created an on-chip, small form-factor broadband quadrature hybrid for use in this IQ mixer. LO drive requirements as low as +3 dBm make this mixer suitable for most up and down conversion applications. The MMIQ product line are also suitable, and recommended, for use as vector modulators.

Product Specifications

  • Manufacturer: Marki Microwave
  • Description: Low LO Drive Passive GaAs MMIC IQ Mixers to 40 GHz
  • RF Frequency: 10 to 40 GHz
  • LO Frequency: 10 to 40 GHz
  • IF Frequency: DC to 12 GHz
  • Image Rejection: 25 dB
  • Conversion Loss: 9 dB
  • LO Drive – Power: 9 dBm
  • P1dB: I (2.6 dBm), Q (3.3 dBm)
  • IP3: 15 dBm
  • LO/RF Isolation: 47 dB
  • LO/IF Isolation: 48 dB
  • Amplitude Deviation: 0.1 dB
  • Impedance: 50 Ohms
  • Package Type: Die, Module with Connectors
  • Connector: SMA, SMA – Female, 2.92 mm, 2.92 mm – Female
  • Phase Deviation: 5 Degrees
  • Grade: Commercial, Military

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GaAs or GaN: Best Choice for Highly Linear Mixers?

Courtesy of Marki Microwave

Everywhere you look in the microwave industry press or at the international microwave symposium you see one topic mentioned over and over again: Gallium Nitride (GaN). There is presently a gold rush in the industry to produce new varieties of products in GaN. The wide bandgap and high electron mobility of GaN mean that it is capable of a much higher power density than Gallium Arsenide (GaAs).  The introduction and availability of a 0.15 micron commercial GaN processes means that fabless integrated circuit companies (such as Marki) can produce GaN microwave products at frequencies comparable to GaAs. This has led to a profusion of products including power amplifiers, low noise amplifiers, driver amplifiers, and many other amplifiers using GaN that set new records for power at high frequency.

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