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DD141: Fast Temperature-Stable Directional Detector for Coaxial Waveguide 23/47 mm

DD141 is a directional detector intended for sampling pulse-modulated incident or reflected waves in high-power 2450 MHz industrial applications using coaxial waveguide 23/47 mm.

The detector delivers well-scaled DC voltage proportional to the power of the wave propagating in one direction in the main waveguide.

Simple reversing the DD141 causes it to sample the wave propagating in the opposite direction.

The tunnel diode detector module assures high temperature stability of the output voltage and low video resistance for fast pulse rise/fall times.

Specifications
Frequency range 2425 2475 MHz
Directivity 25 dB min
Statistical spread of output voltage ±1 dB (3-σ deviation)
Polarity Negative
Temperature variation of output voltage < 0.5 dB in 5 to 65°C range
Video resistance (typ) 120 Ω
DC output connector N-F (SMA-F available upon request)
Waveguide of destination Coaxial (inner diameter 23 mm / outer diameter 47 mm)
Microwave Directional Detector DD141
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Technical Information
Microwave Directional Detector DD141 Datasheet Directional Detector DD141 Datasheet