AD8341
FEATURES
Cartesian amplitude and phase modulation 1.5 GHz to 2.4 GHz frequency range Continuous magnitude control of
- 4.5 d B to
- 34.5 d B Continuous phase control of 0° to 360° Output third-order intercept 17.5 d Bm Output 1 d B pression point 8.5 d Bm Output noise floor
- 150.5 d Bm/Hz @ full gain Adjustable modulation bandwidth up to 230 MHz Fast output power disable 4.75 V to 5.25 V single-supply voltage
1.5 GHz to 2.4 GHz RF Vector Modulator AD8341
FUNCTIONAL BLOCK DIAGRAM
VPRF QBBP QBBM VPS2
90° RFIP RFIM 0°
04700-001
RFOP RFOM
CMOP
IBBP IBBM
DSOP
Figure 1.
APPLICATIONS
RF PA linearization/RF predistortion Amplitude and phase modulation Variable attenuators and phase shifters CDMA2000, WCDMA, GSM/EDGE linear power amplifiers Smart antennas
GENERAL DESCRIPTION
The AD8341 vector modulator performs arbitrary amplitude and phase modulation of an RF signal. Since the RF signal path is linear, the original modulation is preserved. This part can be used as a general-purpose RF...
