RFFC5072TR7

RFFC5072TR7 Description

The RFFC5071 and RFFC5072 are re-configurable frequency conversion devices with integrated fractional-N phased locked loop (PLL) synthesizer, voltage controlled oscillator (VCO) and either one or two high linearity mixers. The fractional-N synthesizer takes advantage of an advanced sigma-delta modulator that delivers ultra-fine step sizes and low spurious products. The PLL/VCO engine combined with an external loop filter allows the user to generate local oscillator (LO) signals from 85MHz to 4200MHz. The LO signal is buffered and routed to the integrated RF mixers which are used to up/down-convert frequencies ranging from 30MHz to 6000MHz. The mixer bias current is configurable and can be lowered for applications that require less power. Both devices may be used as signal sources by bypassing the included mixers. A primary 3-wire serial interface is used to program the device. Furthermore, a distinct programming mode allows up to four devices to be managed from a single serial line. Separate chip-select control connections between each device and the host controller are no longer required. Up to six general-purpose outputs are available, which can be used to access internal signals (such as the LOCK signal) or to operate front-endfront-end components. Both devices require a power source ranging from 2.7V to 3.3V.

RFFC5072TR7 Features

 85MHz to 4200MHz LO Frequency Range
 Fractional-N Synthesizer with Very Low Spurious Levels
 Typical Step Size 1.5Hz
 Fully Integrated Low Phase Noise VCO and LO Buffers
 Integrated Phase Noise
   • 0.18° rms at 1GHz
   • 0.50° rms at 3GHz
High Linearity RF Mixer(s)
30MHz to 6000MHz Mixer
Frequency Range
Input IP3 +23dBm
Mixer Bias Adjustable for Low Power Operation
Full Duplex Mode (RFFC5071)
2.7V to 3.3V Power Supply
Low Current Consumption
3- or 4-Wire Serial Interface

RFFC5072TR7 Applications

 Wideband Radios
 Diversity Receivers
    Wideband Jammers
 Software Defined Radios
 Frequency Band Shifters
 Point-to-Point Radios
 WiMax/LTE Infrastructure
 Satellite Communications
    Distributed Antenna Systems