Data SheetAD8340–1420–143–144–0.5) z –145)/HBmRF PIN = +5dBmdB –146–1.0(ESS (d–147NRF PTIN = –5dBmAFLOOR –148FL –1.5ERF PIN = 0dBmINOIS –149GAN–150–2.0NO RF INPUT–151 009 012 –152 04699- 04699- –2.500.10.20.30.40.50.60.70.80.91.07007508008509009501000GAIN SETPOINTFREQUENCY (MHz) Figure 9. Output Noise Floor vs. Gain, Noise in dBm/Hz, No Carrier, Figure 12. Gain Flatness vs. Frequency, Maximum Gain, Phase Setpoint = 0° With Carrier (20 MHz Offset) PIN = −5 dBm, 0 dBm, and +5 dBm 00–2GAIN SETPOINT = 1.0–10–4Bm) d –20–6R ( E W –30FUNDAMENTAL POWER, 879MHz, 881MHz–8OGAIN SETPOINT = 0.5B) –10–40dSECOND BASEBAND HARMONIC PRODUC T,N ( –12BAND P –50AI878MHz, 882MHzIDEG –14S –60–16AM –70–18UT PTHIRD BASEBAND HARMONIC PRODUC T,GAIN SETPOINT = 0.1–80–20UT877MHz, 883MHzO 010 –22–90 013 RF 04699- –24 04699- –10070075080085090095010001002003004005006007008009001000FREQUENCY (MHz)DIFFERENTIAL BASEBAND INPUT LEVEL (mV p-p)(I OR Q CHANNEL DRIVEN AT 1MHz) Figure 10. Gain vs. Frequency at Different Gain Setpoints Figure 13. Baseband Harmonic Distortion (700 MHz to 1000 MHz), Phase Setpoint = 0° (I and Q Channel, RF Input = 0 dBm, Balun and Cable Losses of Approximately 2 dB Not Accounted for in Plot) –14514TEMP = +25°CTEMP = –40°C–14612–14710) HzTEMP = +85°C–148Bm)8Bm/dd (B (E –1491dISP6ONO–1504–151 1 2 1 0 014 04699- –152 04699- 070075080085090095010007007508008509009501000RF FREQUENCY (MHz)FREQUENCY (MHz) Figure 11. Output Noise Floor vs. Frequency, Maximum Gain, Figure 14. Output 1 dB Compression Point vs. Frequency and Temperature, No RF Carrier, Phase Setpoint = 0° Maximum Gain, Phase Setpoint = 0° Rev. C | 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 AD8340 RF Input and Matching RF Output and Matching Driving the I-Q Baseband Controls Interfacing to High Speed DACs CDMA2000 Application Evaluation Board Schematic and Artwork Outline Dimensions Ordering Guide