AD8336
Rev. C | Page 17 of 28
100
OSCILLOSCOPE
SPECTRUM ANALYZER
301
IN
50
5
11
8
1
12
PrA
+
–
9
4
AD8336
VGAIN
06
22
8-
06
2
Figure 62. Input-Referred Noise and Output-Referred Noise
NOISE FIGURE METER
100
1
301
49.9
(OR ∞)
INPUT
0
NOISE
SOURCE
DRIVE
NOISE
SOURCE
4
5
11
8
1
12
PrA
+
–
9
AD8336
VGAIN
06
22
8-
06
3
Figure 63. Noise Figure vs. VGAIN
SPECTRUM ANALYZER
100
301
49.9
INPUT
LOW-PASS
FILTER
CL
50
RL
4
5
11
8
1
12
PrA
+
–
9
SIGNAL
GENERATOR
AD8336
VGAIN
06
22
8-
06
4
Figure 64. Harmonic Distortion
301
CH2
50
OUT
50
CH1
PULSE
GENERATOR
POWER
SPLITTER
49.9
20 453
0.7V
AD8336
OPTIONAL
100
4
5
11
8
1
12
PrA
+
–
9
06
22
8-
0
65
Figure 65. Pulse Response
OSCILLOSCOPE
SQUARE
WAVE
100
301
CH2
50
CH1
FUNCTION
GENERATOR
49.9
NC
NC = NO CONNECT
POWER
SPLITTER
DIFFERENTIAL
FET PROBE
11
4
5
8
1
12
453
PrA
+
–
9
SINE
WAVE
PULSE
GENERATOR
AD8336
06
22
8-
06
6
Figure 66. Gain Response
OSCILLOSCOPE
–20dB
100
301
CH2
50
CH1
49.9
POWER
SPLITTER
50
453
NC
4
5
11
8
1
12
PrA
+
–
9
ARBITRARY
WAVEFORM
GENERATOR
0.7V
AD8336
06
22
8-
0
67
NC = NO CONNECT
Figure 67. VGA Overdrive Recovery