AD8313_15 Datasheet, PDF (10/24 Pages) Analog Devices – 0.1 GHz to 2.5 GHz 70 dB Logarithmic Detector/Controller

AD8313
100.00
10.00
13.7mA
1.00
0.10
V_POS = +3V
V_POS = +5V
0.01
0
20µA
40µA
1
2
3
4
5
PWDN VOLTAGE (V)
Figure 16. Typical Supply Current vs. PWDN Voltage
CH. 1 AND CH. 2: 1V/DIV
CH. 3: 5V/DIV
CH. 1 GND
CH. 2 GND
CH. 3 GND
HORIZONTAL: 1µs/DIV
V_OUT @
V_S = +5.5V
V_OUT @
V_S = +2.7V
PWDN
CH. 1 AND CH. 2: 200mV/DIV
CH. 1
CH. 2
CH. 1 GND
CH. 2 GND
AVERAGE: 50 SAMPLES
V_S = +5.5V
V_S = +2.7V
PULSED RF
100MHz, –45dBm
HORIZONTAL: 50ns/DIV
Figure 18. Response Time, No Signal to –45 dBm
CH. 1 & CH. 2: 500mV/DIV
AVERAGE: 50 SAMPLES
CH. 1
CH. 2
CH. 1 GND
CH. 2 GND
V_S = +5.5V
V_S = +2.7V
PULSED RF
100MHz, 0dBm
HORIZONTAL: 50ns/DIV
Figure 17. PWDN Response Time
Figure 19. Response Time, No Signal to 0 dBm
________________________________________________________________________________________________________________________________
HP8648B _{10MHz REF OUTPUT}
SIGNAL
GENERATOR
RF OUT
PIN = 0dBm
10Ω
+V_S
0.01µF
0.01µF
1 VPOS VOUT 8
0.1µF
AD8313
2 INHI VSET 7
54.9Ω
3 INLO COMM 6
10Ω
+V_S
4 VPOS PWDN 5
0.1µF
EXT TRIG
HP8112A
PULSE
OUT
GENERATOR
TEK P6205
FET PROBE
TEK
TDS784C
SCOPE TRIG
0603 SIZE SURFACE
MOUNT COMPONENTS ON
A LOW LEAKAGE PC BOARD
Figure 20. Test Setup for PWDN Response Time
HP8648B
SIGNAL
GENERATOR
PULSE
MODULATION
MODE
10MHz REF OUTPUT
PULSE MODE IN
RF OUT
EXT TRIG
OUT
HP8112A
PULSE
GENERATOR
TRIG
OUT
RF
–6dB
SPLITTER
–6dB
10Ω
+V_S
0.01µF
0.01µF
1 VPOS VOUT 8
0.1µF
AD8313
2 INHI VSET 7
54.9Ω
3 INLO COMM 6
10Ω
+V_S
4 VPOS PWDN 5
0.1µF
TEK P6205
FET PROBE
TEK
TDS784C
SCOPE TRIG
0603 SIZE SURFACE
MOUNT COMPONENTS ON
A LOW LEAKAGE PC BOARD
Figure 21. Test Setup for RSSI Mode Pulse Response
Rev. D | Page 10 of 24