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RPG Radiometer physics GmbH

Fullband Subharmonic Mixers

Our Sub Harmonic Mixer are based on zero-bias balanced anti-parallel planar Schottky diodes and are suitable for all types of heterodyne detection systems with the advantage of the local oscillator operating at one half of the target frequency.


Product RF Frequency [GHz] RF Waveguide designator LO Frequency [GHz] LO Waveguide designator Max RF Input Power [dBm] Max LO Input Power [dBm] Part-no.
SHM 75-110 75 - 110 WM-2540 (WR-10) 37.5 - 55 WR-20 + 10 + 15 02000051

SHM 90-140

90 - 140 WM-2032 (WR-8)

45 - 70

WR-15 + 10 + 15 02000054
SHM 110-170 110 - 170 WM-1651 (WR-6.5) 55 - 85 WR-13 + 10 + 15 02000038
SHM 140-220 140 - 220 WM-1295 (WR-5.1) 70 - 110 WM-2540 (WR-10) + 10 + 15 02000019
SHM 170-260 170 - 260 WM-1092 (WR-4.3) 85 - 130 WM-2032 (WR-8) + 10 + 15 02000025
SHM 220-330 220 - 330 WM-864 (WR-3.4) 110 - 165 WM-1651 (WR-6.5) + 10 + 15 02000018
SHM 325-500 325 - 500 WR-2.2 162.5 - 250 WM-1092 (WR-4.3) + 10 + 15 02000055

Common specifications for all Subharmonic Mixers in this series.
IF Port:    2.92 mm  male/female