Datasheet AD8302 (Analog Devices) - 7

AD8302 3.0 2.0 2.5 1.8 2.0 1.6 1.5 –40 C +85 C 1.4 dB 1.0 – G 1.2 0.5 V – 0.0 G 1.0 –0.5 VMA 0.8 OR IN VMA –1.0 ERR +85 C 0.6 –1.5 +25 C –40 C 0.4 –2.0 0.2 –2.5 –3.0 0.0 –30 –25 –20 –15 –10 –5 0 5 10 15 20 25 30 –30 –25 –20 –15 –10 –5 0 5 10 15 20 25 30 MAGNITUDE RATIO – dB MAGNITUDE RATIO – dB
TPC 7. Distribution of Magnitude Error vs. Input Level TPC 10. Distribution of VMAG vs. Input Level Ratio (Gain), Ratio (Gain), Three Sigma to Either Side of Mean, Three Sigma to Either Side of Mean, Frequency 1900 MHz, Frequency 900 MHz, –40ⴗC, +25ⴗC, and +85ⴗC, Refer- Temperatures Between –40ⴗC and +85ⴗC, Reference Level ence Level = –30 dBm = –30 dBm
3.0 1.8 3.0 –45dBm 2.5 2.5 1.6 2.0 2.0 1.4 –45dBm –30dBm 1.5 1.5 –40 C +85 C dB 1.0 1.2 1.0 dB – – G 0.5 G V –15dBm 0.5 – 1.0 0.0 G 0.0 0.8 –0.5 VMA –0.5 –30dBm OR IN VMA –15dBm OR IN VMA –1.0 0.6 –1.0 ERR ERR –1.5 +25 C –1.5 0.4 –40 C +85 C –2.0 –2.0 0.2 –2.5 –2.5 –3.0 0.0 –3.0 –30 –25 –20 –15 –10 –5 0 5 10 15 20 25 30 –30 –20 –10 0 10 20 30 MAGNITUDE RATIO – dB MAGNITUDE RATIO – dB
TPC 8. Distribution of Error vs. Input Level Ratio (Gain), TPC 11. VMAG Output and Log Conformance vs. Input Three Sigma to Either Side of Mean, Frequency 1900 MHz, Level Ratio (Gain), Reference Level = –15 dBm, –30 dBm, –40 ⴗC, +25ⴗC, and +85ⴗC, Reference Level = –30 dBm and –45 dBm, Frequency 1900 MHz
3.0 1.10 2.5 PINPA = PINPB + 5dB 2.0 1.05 –40 C 1.5 +85 C 1.00 dB 1.0 – G 0.5 V 0.95 – 0.0 G PINPA = PINPB –0.5 VMA 0.90 OR IN VMA –1.0 ERR +25 C +85 C 0.85 –1.5 –40 C –2.0 0.80 P –2.5 INPA = PINPB – 5dB –3.0 0.75 –30 –25 –20 –15 –10 –5 0 5 10 15 20 25 30 –65 –60 –55 –50 –45 –40 –35 –30 –25 –20 –15 –10 –5 0 MAGNITUDE RATIO – dB INPUT LEVEL – dBm
TPC 9. Distribution of Magnitude Error vs. Input Level TPC 12. VMAG Output vs. Input Level for PINPA = PINPB, Ratio (Gain), Three Sigma to Either Side of Mean, PINPA = PINPB + 5 dB, PINPA = PINPB – 5 dB, Frequency 1900 MHz Frequency 2200 MHz, Temperatures –40ⴗC, +25ⴗC, and +85ⴗC, Reference Level = –30 dBm REV. B –7– 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