Datasheet AD8309 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 5 MHz–500 MHz 100 dB Demodulating Logarithmic Amplifier with Limiter Output |
| Pages / Page | 20 / 4 — AD8309–Typical Performance Characteristics. 100. VLOG. +25. 500mV PER. … |
| Revision | B |
| File Format / Size | PDF / 319 Kb |
| Document Language | English |
AD8309–Typical Performance Characteristics. 100. VLOG. +25. 500mV PER. VERTICAL. 0.1. DIVISION. +85. GROUND REFERENCE. 0.01. +10dBm INPUT. –40
Model Line for this Datasheet
Text Version of Document
AD8309–Typical Performance Characteristics 100 10 VLOG 1 +25
8
C 500mV PER VERTICAL 0.1 DIVISION +85
8
C GROUND REFERENCE 0.01 +10dBm INPUT –40
8
C LEVEL SHOWN 500mV PER SUPPLY CURRENT – mA 0.001 HERE VERTICAL DIVISION 0.0001 100ns PER HORIZONTAL DIVISION 0.00001 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 ENABLE 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
–13dBV VLOG –33dBV VLOG 500mV PER –53dBV VERTICAL 500mV PER DIVISION –73dBV VERTICAL –93dBV DIVISION GROUND REFERENCE GROUND REFERENCE ENBL 5V PER VERTICAL DIVISION INPUT 1V PER VERTICAL DIVISION 500ns PER HORIZONTAL 100ns PER HORIZONTAL DIVISION DIVISION
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)
270pF 27pF VLOG VLOG 3300pF 500mV PER 200mV PER VERTICAL DIVISION VERTICAL DIVISION GROUND REFERENCE GROUND REFERENCE INPUT 500mV PER VERTICAL DIVISION 100
m
s PER HORIZONTAL 200ns PER HORIZONTAL DIVISION DIVISION
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
8
C 500mV PER VERTICAL 0.1 DIVISION +85
8
C GROUND REFERENCE 0.01 +10dBm INPUT –40
8
C LEVEL SHOWN 500mV PER SUPPLY CURRENT – mA 0.001 HERE VERTICAL DIVISION 0.0001 100ns PER HORIZONTAL DIVISION 0.00001 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 ENABLE 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
–13dBV VLOG –33dBV VLOG 500mV PER –53dBV VERTICAL 500mV PER DIVISION –73dBV VERTICAL –93dBV DIVISION GROUND REFERENCE GROUND REFERENCE ENBL 5V PER VERTICAL DIVISION INPUT 1V PER VERTICAL DIVISION 500ns PER HORIZONTAL 100ns PER HORIZONTAL DIVISION DIVISION
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)
270pF 27pF VLOG VLOG 3300pF 500mV PER 200mV PER VERTICAL DIVISION VERTICAL DIVISION GROUND REFERENCE GROUND REFERENCE INPUT 500mV PER VERTICAL DIVISION 100
m
s PER HORIZONTAL 200ns PER HORIZONTAL DIVISION DIVISION
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
