The PE41901 is a passive double balanced, Ku band image reject mixer with high dynamic range performance and high local oscillator (LO) isolation capable of operation up to 19 GHz. It can be used as an upconverter or a downconverter. The PE41901 operates with single-ended signals on the radio frequency (RF) and LO ports. The intermediate frequency (IF) port accepts broadband quadrature signals from DC–4 GHz. The device includes two mixers, an LO path 90° coupler and RF port baluns on a single die. Integrating this functionality on a single die reduces LO leakage and improves LO–RF isolation while minimizing board space and design effort. In addition, no external blocking capacitors are required if 0 VDC is present on the LO or RF pins.
The PE41901 image reject mixer is ideal for Ku band earth terminals such as very small aperture terminal (VSAT) block upconverters, point-to-point microwave links and test and measurement (T&M) applications.