Datasheet AD8309 (Analog Devices) - 6

AD8309 2.5 5 4 2.0 3 2 1.5 1 TA = +85
8
C 0 1.0 ERROR – dB –1 RSSI OUTPUT – V TA = +25
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C TA = +85
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C –2 TA = –40
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C 0.5 –3 TA = –40
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C –4 TA = +25
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C 0 –5 –100 –80 –60 –40 –20 0 20 40 –100 –80 –60 –40 –20 0 20 40 INPUT LEVEL – dBm Re 50
V
INPUT LEVEL – dBm Re 50
V Figure 7. RSSI Output vs. Input Level, 100 MHz Sine Input, Figure 10. Log Linearity of RSSI Output vs. Input Level, at TA = –40°C, +25°C and +85°C, Single-Ended Input 100 MHz Sine Input, at TA = –40°C, +25°C, and +85°C
2.5 5
6
1dB
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100MHz DYNAMIC RANGE 3dB 50MHz 4 5MHz 85 93 200MHz 50MHz 91 99 5MHz 5MHz 100MHz 97 103 2.0 3 200MHz 96 102 2 1.5 1 50MHz 0 1.0 ERROR – dB –1 RSSI OUTPUT – V 200MHz 100MHz –2 0.5 –3 –4 0 –5 –100 –80 –60 –40 –20 0 20 40 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 10 20 30 INPUT LEVEL – dBm Re 50
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INPUT LEVEL – dBm Re 50
V Figure 8. RSSI Output vs. Input Level, at T Figure 11. Log Linearity of RSSI Output vs. Input Level, at A = +25 °C, for Frequencies of 5 MHz, 50 MHz, 100 MHz and 200 MHz TA = +25°C, for Frequencies of 5 MHz, 50 MHz, 100 MHz and 200 MHz
2.5 5 DYNAMIC RANGE
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1dB
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3dB 300MHz 90 102 300MHz 4 400MHz 65 100 400MHz 2.0 500MHz 500MHz 66 100 3 2 1.5 1 300MHz 0 1.0 ERROR – dB –1 RSSI OUTPUT – V –2 400MHz 500MHz 0.5 –3 –4 0 –5 –100 –80 –60 –40 –20 0 20 40 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 10 20 30 INPUT LEVEL – dBm Re 50
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INPUT LEVEL – dBm Re 50
V Figure 9. RSSI Output vs. Input Level, at TA = +25°C, for Figure 12. Log Linearity of RSSI Output vs. Input Level, Frequencies of 300 MHz, 400 MHz and 500 MHz at TA = +25°C, for Frequencies of 300 MHz, 400 MHz and 500 MHz REV. B –5–