Datasheet AD8302 (Analog Devices) - 8

AD8302 1.06 18 1.04 1.02 PINPA = PINPB + 5dB 1.00 15 0.98 0.96 0.94 12 V – 0.92 G 0.90 P 9 INPA = PINPB 0.88 VMA PERCENT 0.86 0.84 6 0.82 0.80 3 0.78 PINPA = PINPB – 5dB 0.76 0.74 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 0.80 0.85 0.90 0.95 1.00 FREQUENCY – MHz MCP – V
TPC 13. VMAG Output vs. Frequency, for PINPA = PINPB, PINPA TPC 16. Center Point of Magnitude Output (MCP) = PINPB + 5 dB, and PINPA = PINPB – 5 dB, PINPB = –30 dBm Distribution Frequencies 900 MHz, 17,000 Units
0.4 18 0.2 0 15 –0.2 mV – 12 –0.4 –0.6 9 –0.8 PERCENT –1.0 6 CHANGE IN SLOPE –1.2 –1.4 3 –1.6 –1.8 0 –40 –20 0 20 40 60 80 85 27.0 27.5 28.0 28.5 29.0 29.5 30.0 TEMPERATURE –
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C VMAG SLOPE – mV/dB
TPC 14. Change in VMAG Slope vs. Temperature, Three TPC 17. VMAG Slope, Frequency 900 MHz, 17,000 Units Sigma to Either Side of Mean, Frequencies 1900 MHz
25 0.032 20 15 0.030 10 V – 5 G mV – VMA G 0 0.028 VMA –5 –10 SLOPE OF 0.026 –15 –20 –25 0.024 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 0 200 400 600 800 TEMPERATURE –
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C 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 FREQUENCY – MHz
TPC 15. Change in Center Point of Magnitude Output TPC 18. VMAG Slope vs. Frequency (MCP) vs. Temperature, Three Sigma to Either Side of Mean, Frequencies 1900 MHz –8– REV. B Document Outline FEATURES PRODUCT DESCRIPTION FUNCTIONAL BLOCK DIAGRAM AD8302-SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION PIN FUNCTION DESCRIPTIONS CAUTION Equivalent Circuits Typical Performance Characteristics GENERAL DESCRIPTION AND THEORY Basic Theory Structure BASIC CONNECTIONS Measurement Mode Interfacing to the Input Channels Dynamic Range Cross Modulation of Magnitude and Phase Modifying the Slope and Center Point Comparator and Controller Modes APPLICATIONS Measuring Amplifier Gain and Compression Reflectometer CHARACTERIZATION SETUPS AND METHODS Gain Phase OUTLINE DIMENSIONS Ordering Guide Revision History