Datasheet

AD8331/AD8332/AD8334
Rev. G | Page 16 of 56
35
30
25
20
15
10
5
0
0 0.10.20.30.40.50.60.70.80.91.01.1
NOISE FIGURE (dB)
V
GAIN
(V)
03199-031
f = 10MHz, R
S
= 50PREAMP LIMITED
HILO = LO, R
IN
= 50
HILO = LO, R
IZ
= 
HILO = HI, R
IN
= 50
HILO = HI, R
Iz
= 
Figure 31. Noise Figure vs. V
GAIN
30
25
20
15
10
5
0
10 15 20 25 30 35 40 45 50 55 60
NOISE FIGURE (dB)
GAIN (dB)
03199-032
f = 10MHz, R
S
= 50
HILO = LO, R
IN
= 50
HILO = LO, R
FB
= 
HILO = HI, R
IN
= 50
HILO = HI, R
FB
= 
Figure 32. Noise Figure vs. Gain
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
1M 10M 100M
HARMONIC DISTORTION (dBc)
FREQUENCY (Hz)
03199-113
G = 30dB
V
OUT
= 1Vp-p
HILO = HI, HD2
HILO = HI, HD3
HILO = LO, HD2
HILO = LO, HD3
Figure 33. Harmonic Distortion vs. Frequency
–
30
–40
–50
–60
–70
–80
–90
0 200018001600140012001000800600400200
HARMONIC DISTORTION (dBc)
R
LOAD
()
03199-034
HILO = LO, HD2
HILO = LO, HD3
HILO = HI, HD2
HILO = HI, HD3
f = 10MHz,
V
OUT
= 1V p-p
Figure 34. Harmonic Distortion vs. R
LOAD
–
40
–50
–60
–70
–80
–90
0 10203040
HARMONIC DISTORTION (dBc)
C
LOAD
(pF)
03199-035
50
f = 10MHz,
V
OUT
= 1V p-p
HILO = LO, HD2
HILO = LO, HD3
HILO = HI, HD2
HILO = HI, HD3
Figure 35. Harmonic Distortion vs. C
LOAD
–
20
–40
–60
–80
–100
01234
HARMONIC DISTORTION (dBc)
V
OUT
(V p-p)
03199-036
f = 10MHz,
GAIN = 30dB
HILO = LO, HD2
HILO = LO, HD3
HILO = HI, HD2
HILO = HI, HD3
Figure 36. Harmonic Distortion vs. Differential Output Voltage