Peregrine - Low-Frequency Passive Mixer Targets UHF-900MHz Applications
Peregrine Semiconductor has announced the release of its newest UltraCMOS RFIC, the 50-ohm PE4150 quad MOSFET core device, ideal for mixer designs requiring low conversion loss and high linearity such as portable radios operating in bands from UHF through 900MHz. The PE4150 is a highly linear passive mixer that incorporates an integrated LO amplifier with exceptionally high LO isolation.
This allows for LO drive levels as low as -10dBm producing IIP3 values typically associated with 15dBm LO drive. The PE4150 operates with differential signals at the RF and IF ports and the integrated LO buffer amplifier drives the mixer core. The device can be used as an up converting or a down converting mixer.
“The PE4150 is a highly linear broadband mixer with low LO drive that can cover multiple bands in portable radios. This single device can operate from UHF through 900MHz eliminating the need to redesign each band,” said Mark Schrepferman, director of communication and industrial products for Peregrine. “The PE4150 has low current drain as well as a 20 µA low current mode to further prolong battery life,” he added.
The PE4150 is manufactured on Peregrine’s UltraCMOS™ process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS.
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