Datasheet AD8341 (Analog Devices) - 7

Data Sheet AD8341 –147 0 –1 –148 –40
°
C RF PIN = +5dBm –2 +25
°
C –149 –3 RF PIN = 0dBm –4 –150 –5 –151 GAIN (dB) –6 NOISE (dBm/Hz) RF PIN = –5dBm +85
°
C –152 –7 NO RF INPUT –8 –153 –9
04700-009
–154
04700-012
–10 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 GAIN SETPOINT FREQUENCY (MHz)
Figure 9. Output Noise Floor vs. Gain Setpoint, Noise in dBm/Hz, No Carrier, Figure 12. Gain Magnitude vs. Frequency and Temperature, and With 1900 MHz Carrier (Measured at 20 MHz Offset) Maximum Gain, Phase Setpoint = 0° Pin = −5, 0, and +5 dBm
0 0 GAIN SETPOINT = 1.0 FUNDAMENTAL POWER, 1899MHz, 1900MHz –2 –10 –4 –6 –20 GAIN SETPOINT = 0.5 –8 –30 –10 –40 –12 GAIN SETPOINT = 0.25 SECOND BASEBAND HARMONIC PRODUCT, –14 –50 1898MHz, 1902MHz GAIN (dB) –16 –60 –18 GAIN SETPOINT = 0.1 –20 –70 –22 –80 –24 THIRD BASEBAND HARMONIC PRODUCT, RF OUTPUT AM SIDEBAND POWER (dBm) –90 –26 1897MHz, 1903MHz
04700-010
–28
04700-013
–100 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DIFFERENTIAL BB LEVEL (mV p-p)
Figure 10. Gain vs. Frequency at Different Gain Setpoints, Figure 13. Baseband Harmonic Distortion (I and Q Channel, Phase Setpoint = 0° RF Input = 0 dBm, Output Balun and Cable Losses of Approximately 2 dB Not Accounted for in Plot)
–146 12 –147 –40
°
C 10 +25
°
C –148 –149 8 –150 6 +85
°
C –151 NOISE (dBm/Hz) OP1dB (dBm) 4 –152 –153 2
04700-011
–154 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400
04700-014
0 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 FREQUENCY (MHz) FREQUENCY (MHz)
Figure 11. Output Noise Floor vs. Frequency, Maximum Gain, Figure 14. Output 1 dB Compression Point vs. Frequency and No RF Carrier, Phase Setpoint = 0° Temperature, Maximum Gain, Phase Setpoint = 0° Rev. B | Page 7 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION RF QUADRATURE GENERATOR I-Q ATTENUATORS AND BASEBAND AMPLIFIERS OUTPUT AMPLIFIER NOISE AND DISTORTION GAIN AND PHASE ACCURACY RF FREQUENCY RANGE APPLICATIONS INFORMATION USING THE AD8341 RF INPUT AND MATCHING RF OUTPUT AND MATCHING DRIVING THE I-Q BASEBAND CONTROLS INTERFACING TO HIGH SPEED DACs CDMA2000 APPLICATION WCDMA APPLICATION EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE