NPN Transistors Double Balanced Mixer

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NPN double balanced mixer SPICE simulation. This mixer is usable for frequencies around 500Mhz. Discrete transistors mixers require the matching of the transistors’ characteristics. This issue is overcome by applying a bit of feedback through emitter resistors. The base are driven with LO signal from a balun transformer. This mixer exhibits a conversion loss of 6dB and 15 to 17dBm of LO drive power.

  • Free
  • Intermediate
  • 21-30
  • Micro-cap
  • 10+
  • No
  • RF LO IF signals transient analysis conversion gain intermodulation distortion analysis


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