Rainbow Electronics MAX2036 - Manual (Page 8)

MAX2036
Ultrasound VGA Integrated
with CW Octal Mixer
8 _______________________________________________________________________________________
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
MAX2036 toc14
30
25
20
15
10
5
0
-5
-10
0.1 10 100 1 1000
FREQUENCY (MHz)
GAIN (dB)
V OUT = 1.5V P-P DIFFERENTIAL
VG_CTL = +0.2V
P-P
DIFFERENTIAL
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
MAX2036 toc15
20
15
10
5
0
-5
-10
-15
-20
0.1 10 100 1 1000
GAIN (dB)
V OUT = 1.5V P-P DIFFERENTIAL
VG_CTL = +1.2V
P-P
DIFFERENTIAL
FREQUENCY (MHz)
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
MAX2036 toc16
10
5
0
-5
-10
-15
-20
-25
-30
0.1 10 100 1 1000
GAIN (dB)
V OUT = 1.5V P-P DIFFERENTIAL
VG_CTL = +1.7V P-P DIFFERENTIAL
FREQUENCY (MHz)
GAIN vs. DIFFERENTIAL ANALOG
CONTROL VOLTAGE (VG_CTL)
MAX2036 toc11
-15
5
-5
25
15
35
45
-2.5 2.5
VG_CTL (V P-P DIFFERENTIAL)
GAIN (dB)
-0.5 -1.5 0.5 1.5
f = 5MHz
50
45
40
35
30
25
20
15
10
0.1 10 100 1 1000
FREQUENCY (MHz)
GAIN (dB)
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
MAX2036 toc12
V OUT = 1.5V P-P DIFFERENTIAL
VG_CTL = -2V P-P DIFFERENTIAL
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
MAX2036 toc13
40
35
30
25
20
15
10
5
0
0.1 10 100 1 1000
FREQUENCY (MHz)
GAIN (dB)
V OUT = 1.5V P-P DIFFERENTIAL
VG_CTL = -0.8V P-P DIFFERENTIAL
CHANNEL-TO-CHANNEL CROSSTALK
vs. GAIN
MAX2036 toc08
-65
-70
-75
-80
-85
-100
-95
-90
-60
-15 -5 5 15 25 35 45
CROSSTALK (dB)
GAIN (dB)
V OUT = 1.5V P-P DIFFERENTIAL
f = 10MHz, ADJACENT CHANNELS
-30
-110
1 10 100
CHANNEL-TO-CHANNEL CROSSTALK
vs. FREQUENCY
-90
-100
MAX2036 toc09
FREQUENCY (MHz)
CROSSTALK (dB)
-70
-80
-60
-50
-40
V OUT = 1V P-P DIFFERENTIAL
GAIN = 20dB , ADJACENT CHANNELS
OUTPUT-REFERRED NOISE VOLTAGE
vs. GAIN
MAX2036 toc10
80
70
60
50
40
30
-15 -5 5 15 25 35 45
OUTPUT-REFERRED NOISE VOLTAGE (nV/
√
Hz)
GAIN (dB)
f = 5MHz
Typical Operating Characteristics (continued)
(Figure 7, V CC = V REF = 4.75V to 5.25V, V GND = 0, PD = 0, VG_CLAMP_MODE = 1, f RF = 5MHz, capacitance to GND at each of the
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
L
= 1kΩ, T
A
= 0°C to +70°C. Typical val-
ues are at V CC = V REF = 5V, V CM = 3.0V, T A = +25°C, unless otherwise noted.)