Datasheet

AD8336
Rev. C | Page 17 of 28
100Ω
OSCILLOSCOPE
SPECTRUM ANALYZE
R
301Ω
IN
50Ω
5
118
1
12
PrA
+
–
9
4
AD8336
V
GAIN
06228-062
Figure 62. Input-Referred Noise and Output-Referred Noise
NOISE FIGURE METE
R
100Ω
1
301Ω
49.9Ω
(OR ∞)
INPUT
0Ω
0Ω
NOISE
SOURCE
DRIVE
NOISE
SOURCE
4
5
118
1
12
PrA
+
–
9
AD8336
V
GAIN
06228-063
Figure 63. Noise Figure vs. V
GAIN
SPECTRUM ANALYZE
R
100Ω
301Ω
49.9Ω
INPUT
LOW-PASS
FILTER
C
L
50Ω
R
L
4
5
118
1
12
PrA
+
–
9
SIGNAL
GENERATOR
AD8336
V
GAIN
06228-064
Figure 64. Harmonic Distortion
301Ω
CH2
50Ω
OUT
50Ω
CH1
PULSE
GENERATOR
POWER
SPLITTER
4
9.9
Ω
20Ω 453Ω
0.7V
AD8336
OPTIONAL
100Ω
4
5
11
8
1
12
PrA
+
–
9
06228-065
Figure 65. Pulse Response
OSCILLOSCOPE
SQUARE
WAVE
100Ω
301Ω
CH2
50Ω50Ω
CH1
FUNCTION
GENERATOR
49.9Ω
NC
NC = NO CONNECT
POWER
SPLITTER
DIFFERENTIAL
FET PROBE
11
4
5
8
1
12
453Ω
PrA
+
–
9
SINE
WAVE
PULSE
GENERATOR
AD8336
06228-066
Figure 66. Gain Response
OSCILLOSCOPE
–20dB
100Ω
301Ω
CH2
50Ω
CH1
49.9Ω
POWER
SPLITTER
50Ω
453Ω
NC
4
5
118
1
12
PrA
+
–
9
ARBITRARY
WAVEFORM
GENERATOR
0.7V
AD8336
06228-067
NC = NO CONNECT
Figure 67. VGA Overdrive Recovery