ad8318acpz-wp Analog Devices, Inc., ad8318acpz-wp Datasheet - Page 10

• Manufacturer Part Number: ad8318acpz-wp
• Description: 1 Mhz To 8 Ghz, 70 Db Logarithmic Detector/controller
• Manufacturer: Analog Devices, Inc.

AD8318
Figure 18. VOUT Pulse Response Time; Pulsed RF Input 0.1 GHz, –10 dBm;
Figure 16. Input Impedance vs. Frequency; No Termination Resistor on
START FREQUENCY = 0.1GHz
STOP FREQUENCY = 8GHz
0.07
0.06
0.05
0.04
0.03
0.02
0.01
–j0.2
0
j0.2
1.4
0
DECREASING V
VOUT
GND
Figure 17. Supply Current vs. Enable Voltage
–j0.5
j0.5
0.2
8GHz
20ns PER HORIZONTAL DIVISION
1.5
200mV/VERTICAL
ENBL
INHI, Z
CLPF = Open
DIVISION
0.5
5.8GHz
V
ENBL
O
= 50 Ω
1.6
–j1
j1
3.6GHz
PULSED RF INPUT 0.1GHz,
–10dBm
(V)
1
INCREASING V
2.2GHz
1.7
2
1.9GHz
ENBL
0.9GHz
–j2
j2
0.1GHz
1.8
Rev. B | Page 10 of 24
Figure 20. Noise Spectral Density of Output Buffer (from CLPF to VOUT);
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Figure 21. Output Voltage Stability vs. Supply Voltage at 1.9 GHz
10k
100
100
–65
1k
10
1k
10
Figure 19. Noise Spectral Density of Output; CLPF = Open
1
1
–55
When VP Varies by 10%, Multiple Devices
3
3
–45
10
10
–35
FREQUENCY (kHz)
FREQUENCY (kHz)
CLPF = 0.1 μF
30
30
P
IN
–25
(dBm)
100
100
–10dBm
–15
–20dBm
300
300
–5
0dBm
1k
1k
–40dBm
RF OFF
3k
3k
5
–60dBm
10k
10k
15
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0