Datasheet AD8367 (Analog Devices) - 10

AD8367 1.0 2.0 0.8 0.9 1.5 10MHz V 0.8 70MHz 1.0 AGC 140MHz 140MHz 70MHz 0.7 0.7 240MHz 0.5 C 0.6 0 AGC = 100pF V) RROR (dB) V) 0.5 –0.5 E 0.6 240MHz SSI ( V ( VOUT R 0.4 10MHz –1.0 ARITY 0.3 –1.5 LINE 0.5 0.2 –2.0 0.1 –2.5 0 –3.0
02710-021
0.4
02710-024
–60 –50 –40 –30 –20 –10 0 –2–5 –1–5 0 1–5 2–5 INPUT LEVEL (dBV rms) TIME (Seconds)
Figure 21. AGC RSSI (Voltage on DETO Pin) vs. Input Power at 10 MHz, Figure 24. AGC Time Domain Response (3 dB Step) 70 MHz, 140 MHz, and 240 MHz
1.0 2.0 0.9 +25
°
C 1.5 –40
°
C +85
°
C 0.8 1.0 +85
°
C +25
°
C 0.7 0.5 0.6 0 V) ROR (dB) R 0.5 –0.5 E SSI ( R –40
°
C 0.4 –1.0 ARITY 0.3 –1.5 LINE 0.2 –2.0 0.1 –2.5
02710-025
0 –3.0
02710-022
–60 –50 –40 –30 –20 –10 0 19.0097 19.7297 19.9097 20.0897 20.2697 INPUT LEVEL (dBV rms) GAIN SCALING (mV/dB)
Figure 22. AGC RSSI (Voltage on DETO Pin) vs. Figure 25. Gain Scaling Distribution at 70 MHz Input Power over Temperature at 70 MHz
1.0 2.5 0.9 2.0 0.8 1.5 0.7 WCDMA 1.0 16QAM 256QAM 64QAM 0.6 0.5 ) SINE V RROR (dB) 0.5 0 E SSI ( R 0.4 –0.5 ARITY IS95FWD 0.3 –1.0 LINE 0.2 –1.5 0.1 –2.0 0 –2.5
02710-023
–60 –50 –40 –30 –20 –10 0
02710-026
–6.4 –6.2 –6.0 –5.8 –5.6 –5.4 –5.2 –5.0 –4.8 INPUT LEVEL (dBV rms) INTERCEPT (dB)
Figure 23. AGC RSSI (Voltage on DETO Pin) vs. Input Power Figure 26. Gain Intercept Distribution at 70 MHz for Various Modulation Schemes Rev. A | Page 10 of 24 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 INPUT ATTENUATOR AND GAIN CONTROL INPUT AND OUTPUT INTERFACES POWER AND VOLTAGE METRICS NOISE AND DISTORTION OUTPUT CENTERING RMS DETECTION APPLICATIONS INPUT AND OUTPUT MATCHING VGA OPERATION MODULATED GAIN MODE AGC OPERATION MODIFYING THE AGC SETPOINT EVALUATION BOARD CHARACTERIZATION SETUP AND METHODS OUTLINE DIMENSIONS ORDERING GUIDE