AD8309–Typical Performance Characteristics10010VLOG1+25 8 C500mV PERVERTICAL0.1DIVISION+85 8 CGROUND REFERENCE0.01+10dBm INPUT–40 8 CLEVEL SHOWN500mV PERSUPPLY CURRENT – mA 0.001HEREVERTICAL DIVISION0.0001100ns PER HORIZONTALDIVISION0.000010.50.70.91.11.31.51.71.92.12.32.5ENABLE VOLTAGE – V Figure 1. Supply Current vs. Enable Voltage @ Figure 4. RSSI Pulse Response for Inputs Stepped from TA = –40°C, +25°C and +85°C Zero to –63 dBV, –43 dBV, –23 dBV, –3 dBV –13dBVVLOG–33dBVVLOG500mV PER–53dBVVERTICAL500mV PERDIVISION–73dBVVERTICAL–93dBVDIVISIONGROUND REFERENCEGROUND REFERENCEENBL5V PERVERTICALDIVISIONINPUT 1V PER VERTICAL DIVISION500ns PER HORIZONTAL100ns PER HORIZONTALDIVISIONDIVISION Figure 2. Power On/Off Response Time with RF Input of Figure 5. Large Signal RSSI Pulse Response with RL = 100 Ω –93 dBV to –13 dBV and CL = 33 pF, 100 pF and 330 pF (Curves Overlap) 270pF27pFVLOGVLOG3300pF500mV PER200mV PERVERTICAL DIVISIONVERTICAL DIVISIONGROUND REFERENCEGROUND REFERENCEINPUT500mV PER VERTICAL DIVISION100 m s PER HORIZONTAL200ns PER HORIZONTALDIVISIONDIVISION Figure 3. Large Signal RSSI Pulse Response with Figure 6. Small Signal AC Response of RSSI Output with CL = 100 pF and RL = 50 Ω and 75 Ω (Curves Overlap) External Filter Capacitance of 27 pF, 270 pF and 3300 pF –4– REV. B
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