Datasheet AD8018 (Analog Devices) - 7

AD8018 16 18 VS = 8.00 15 16 14 V V S = 5.25 14 S = 5.00 dBm dBm – 13 – 12 V VS = 4.75 LINE S = 5.00 V LINE S = 4.50 P V P S = 4.75 12 10 11 8 VS = 3.3 10 6 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 TRANSFORMER TURNS RATIO TRANSFORMER TURNS RATIO
TPC 19. Line Power vs. Turns Ratio; MTPR = –65 dBc, TPC 22. Line Power vs. Turns Ratio; –75 dBc Out-of-Band f = 43 kHz SFDR, f = 361 kHz
–20 10M 200 VS = 5V 1M 150 RLINE = 100
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–30 f = 93kHz 100k PHASE 100
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– –40 10k 50 rees g dBc 1k 0 – P = 13dBm –50 De – P = 13.5dBm 100 –50 TRANSIMPEDANCE MTPR P = 14dBm P = 12.5dBm –60 10 –100 PHASE P = 12dBm TRANSIMPEDANCE 1 –150 –70 0.1 –200 –80 0.01 3 4 5 1k 10k 100k 1M 10M 100M 1G TRANSFORMER TURNS RATIO – N FREQUENCY – Hz
TPC 20. MTPR vs. Turns Ratio TPC 23. Open Loop Transimpedance and Phase
–30 20 VS = 5V LOGIC 1 TO 0 RLINE = 100
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–40 18 f = 361kHz DECREASING mA – 16 –50 P = 12.5dBm P = 13dBm 14 dBc – P = 13.5dBm INCREASING –60 P = 14dBm 12 SFDR –70 10 TOTAL SUPPLY CURRENT LOGIC 0 TO 1 –80 8 P = 12dBm –90 6 3 4 5 0.86 0.88 0.90 0.92 0.94 0.96 0.98 1.00 1.02 TRANSFORMER TURNS RATIO – N POWER-DOWN VOLTAGE – Volts
TPC 21. Out-of-Band SFDR vs. Turns Ratio for Various TPC 24. Power-Up/-Down Threshold Voltage Line Power REV. A –7–