Marki Microwave MLIQ1845L Microlithic Double-Balanced IQ Mixer

The Marki Microwave MLIQ-1845L is a high-performance, microlithic double-balanced IQ mixer designed for advanced RF and millimeter-wave applications.

Key Specifications

• RF and LO Frequency Range: 18 to 45 GHz

• IF Frequency Range: DC to 20 GHz

• Conversion Loss: Typically 8 dB for IFs from DC to 6 GHz; 10 dB for IFs from 6 to 20 GHz

• Image Rejection: 31 dB

• LO to RF Isolation: 37 dB

• LO to IF Isolation: 29 dB

• Amplitude Deviation: 0.11 dB

• Phase Deviation: 5 degrees

• Input 1 dB Compression Point (P1dB): +8 dBm

• Impedance: 50 Ohms

Features and Applications

The MLIQ-1845L integrates matched double-balanced mixers with an internal LO hybrid and RF power divider, offering exceptional amplitude and phase balance. This design enables excellent image rejection and supports both upconversion and downconversion processes. Its broad frequency coverage and high linearity make it suitable for applications such as optical data links, where it can handle multiple 25 Gb/s signals simultaneously. The mixer is available in both wire-bondable chip and connectorized packages, providing flexibility for various system integrations.