Datasheet

ADA4939-1/ADA4939-2
Rev. 0 | Page 12 of 24
–
60
–120
–110
–100
–90
–80
–70
1 10 100
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
V
OUT, dm
=HD2, = 1V p-p
V
OUT, dm
=HD3, = 1V p-p
V
OUT, dm
=HD2, = 2V p-p
V
OUT, dm
=HD3, = 2V p-p
07429-027
V
S
= ±1.65V
Figure 25. Harmonic Distortion vs. Frequency at Various Output Voltages
–
30
–40
–50
–60
–70
–80
–90
–100
110100
PSRR (dB)
FREQUENCY (MHz)
1k
R
L, dm
= 200Ω
07429-031
Figure 26. PSRR vs. Frequency, R
L
= 200 Ω
0
–5
–50
–45
–40
–35
–30
–25
–20
–15
–10
1 10 100 1k
S-PARAMETERS (dB)
FREQUENCY (MHz)
R
L, dm
= 200Ω
S11
S22
07429-032
Figure 27. Return Loss (S11, S22) vs. Frequency
–
30
–35
–40
–45
–50
–55
–60
–65
–70
110100
OUTPUT BALANCE (dB)
FREQUENCY (MHz)
1k
R
L, dm
= 200Ω
07429-030
Figure 28. Output Balance vs. Frequency
70
–10
100
–350
–300
–250
–200
–150
–100
–50
0
50
0
10
20
30
40
50
60
0.01 10k1k1001010.1
GAIN (dB)
PHASE (Degrees)
FREQUENCY (MHz)
GAIN
PHASE
07429-034
Figure 29. Open-Loop Gain and Phase vs. Frequency
8
–8
–6
–4
–2
0
2
4
6
065040302010
VOLTAGE (V)
TIME (ns)
0
V
IN
× 3.16V
V
OUT
07429-035
Figure 30. Overdrive Recovery, G = 3.16