Rainbow Electronics MAX2055 - Manual (Page 8)

MAX2055
Digitally Controlled, Variable-Gain, Differential
ADC Driver/Amplifier
8 _______________________________________________________________________________________
2ND HARMONIC vs. FREQUENCY
MAX2055 toc42
FREQUENCY (MHz)
HARMONIC (dBc)
270 240 60 90 120 180 150 210
-75
-70
-65
-60
-55
-50
-80
-85
-90
30 300
V CC = +4.75V
V CC = +5.25V
V CC = +5V
OUTPUT IP2 vs. FREQUENCY (f 1 + f 2 )
MAX2055 toc43
FREQUENCY (MHz)
OIP2 (dBm)
270 240 60 90 120 180 150 210
55
60
65
70
80
75
85
50
30 300
T A = +85 °C
T A = -40 °C
T A = +25 °C
P RF1 = P RF2 = 5dBm
AT OUTPUT, ∆f = 1MHz
OUTPUT IP2 vs. FREQUENCY (f 1 + f 2 )
MAX2055 toc44
FREQUENCY (MHz)
OIP2 (dBm)
270 240 60 90 120 180 150 210
55
60
65
70
75
80
50
30 300
V CC = +5.25V
V
CC
= +4.75V
V CC = +5.0V
P RF1 = P RF2 = 5dBm
AT OUTPUT, ∆f = 1MHz
OUTPUT-PORT AMPLITUDE UNBALANCE
vs. FREQUENCY
MAX2055 toc45
FREQUENCY (MHz)
AMPLITUDE UNBALANCE (dB)
270 240 60 90 120 180 150 210
0.05
0.10
0.15
0.20
0.25
0
30 300
OUTPUT-PORT PHASE UNBALANCE
vs. FREQUENCY
MAX2055 toc46
FREQUENCY (MHz)
PHASE UNBALANCE (DEGREES)
270 240 60 90 120 180 150 210
0.5
1.0
1.5
2.0
2.5
3.0
0
30 300
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V CC = 5.0V, R 1 = 909 Ω, max gain, (B0 = B1 = B2 = B3 = B4 = 0), P
OUT = 5dBm, T A = +25°C, unless otherwise
noted.)