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MDC-158 - Termination Insensitive Mixer

Download the MDC-158 datasheet PDF. This datasheet also covers the MDC-158-MA variant, as both devices belong to the same termination insensitive mixer family and are provided as variant models within a single manufacturer datasheet.

General Description

Transformers convert the LO and RF paths to balanced lines connecting to a low barrier, Schottky diode ring quad.

These transformers help provide excellent isolation between ports.

Conversion Loss is low.

Key Features

  • Low VSWR.
  • Conversion Loss: 6 dB Typical Midband.
  • LO-RF Isolation: 35 dB Typical Midband.
  • Conversion Loss Flatness: 1.5 dB Typical.
  • Impedance: 50 Ohms Nominal.
  • Maximum Input Power: 300 mW max. @ 25°C, Derated linearly to 85°C @ 3.2 mW/°C.
  • IF Port Current: 50 mA Max.
  • MIL-STD-883 Screening Available.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MDC-158-MA-COM.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MD- / MDC- / MDS-158 Termination Insensitive Mixer, 5 MHz - 1500 MHz Features  Low VSWR  Conversion Loss: 6 dB Typical Midband  LO-RF Isolation: 35 dB Typical Midband  Conversion Loss Flatness: 1.5 dB Typical  Impedance: 50 Ohms Nominal  Maximum Input Power: 300 mW max. @ 25°C, Derated linearly to 85°C @ 3.2 mW/°C  IF Port Current: 50 mA Max.  MIL-STD-883 Screening Available Description Transformers convert the LO and RF paths to balanced lines connecting to a low barrier, Schottky diode ring quad. These transformers help provide excellent isolation between ports. Conversion Loss is low. The direct connection of the IF port to the diode quad allows these mixers to be used as phase detectors and bi-phase modulators. Advanced transformer design yields improved VSWR.