Part # ADL5390 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: ADL5390 RF/IF Vector Multiplier Data Sheet (Rev. 0)


Part Details:

RF/IF Vector Multiplier ADL5390 FEATURES FUNCTIONAL BLOCK DIAGRAM Matched pair of multiplying VGAs VPRF QBBP OBBM VPS2 Broad frequency range 20 MHz to 2.4 GHz Continuous magnitude control from +5 dB to -30 dB INMQ Output third-order intercept 24 dBm INPQ RFOP CMRF Output 1 dB compression point 11 dBm INPI RFOM Output noise floor -148 dBm/Hz INMI Adjustable modulation bandwidth up to 230 MHz Fast output power disable CMOP IBBP IBBM DSOP 04954-001 Single-supply voltage 4.75 V to 5.25 V APPLICATIONS Figure 1. PA linearization and predistortion Amplitude and phase modulation Variable matched attenuator and/or phase shifter Cellular base stations Radio links Fixed wireless access Broadband/CATV RF/IF analog multiplexer GENERAL DESCRIPTION The gain control inputs are dc-coupled with a +/-500 mV dif-ferential full-scale range centered about a 500 mV common The ADL5390 vector multiplier consists of a matched pair of mode. The maximum modulation bandwidth is 230 MHz, broadband variable gain amplifiers whose outputs are summed. which can be reduced by adding external capacitors to limit the The separate gain controls for each amplifier are linear-in- noise bandwidth on the control lines. magnitude. If the two input RF signals are in quadrature, the vector multiplier can be configured as a vector modulator or as Both the RF inputs and outputs can be used differentially or a variable attenuator/phase shifter by using the gain control pins single-ended and must be ac-coupled. The impedance of each as Cartesian variables. In this case, the output amplitude can be VGA RF input is 250 to ground, and the differential output controlled from a maximum of +5 dB to less than ­30 dB, and impedance is nominally 50 over the operating frequency the phase can be shifted continuously over the entire 360° range. The DSOP pin allows the output stage to be disabled range. Since the signal paths are linear, the original modulation quickly to protect subsequent stages from overdrive. The


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ADL5390.pdf Datasheet