Datasheet

MAX2472/MAX2473
500MHz to 2500MHz
VCO Buffer Amplifiers
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX2472/MAX2473 EV kit, V
CC
= +3V, T
A
= +25°C, unless otherwise noted.)
0
8
6
4
2
12
10
14
16
18
20
-20 -10 -5-15 0 5
MAX2472 toc13d
P
OUT
(dBm)
R
BIAS
= 11kΩ
R
BIAS
= 15kΩ
R
BIAS
= 22kΩ
S
21
2
(dB)
S
21
2
vs. OUTPUT POWER
f
IN
= 600MHz
0
8
6
4
2
12
10
14
16
18
20
-25 -15 -10-20 -5 0
MAX2472 toc13a
P
OUT
(dBm)
R
BIAS
= 11kΩ
R
BIAS
= 15kΩ
R
BIAS
= 22kΩ
S
21
2
vs. OUTPUT POWER
S
21
2
(dB)
f
IN
= 2400MHz
0
8
6
4
2
12
10
14
16
18
20
-20 -10 -5-15 0
MAX2472 toc13b
P
OUT
(dBm)
R
BIAS
= 11kΩ
f
IN
= 1900MHz
R
BIAS
= 15kΩ
R
BIAS
= 22kΩ
S
21
2
(dB)
S
21
2
vs. OUTPUT POWER
0
8
6
4
2
12
10
14
16
18
20
-20 -12 -8-16 -4 0
MAX2472 toc13c
P
OUT
(dBm)
R
BIAS
= 11kΩ
R
BIAS
= 15kΩ
R
BIAS
= 22kΩ
S
21
2
(dB)
S
21
2
vs. OUTPUT POWER
f
IN
= 900MHz
0
2
1
4
3
6
5
7
9
8
10
50 40 3545 30 25 20 15 10
SUPPLY CURRENT
vs. R
BIAS
MAX2472 toc11
R
BIAS
(kΩ)
I
CC
(mA)
V
CC
= 5V
V
CC
= 3V
0
4
2
10
8
6
16
14
12
18
-50
025-25 50 75
100
MAX2472 toc12
TEMPERATURE (°C)
f
IN
= 600MHz
f
IN
= 900MHz
f
IN
= 1900MHz
f
IN
= 2400MHz
P
IN
= -20dBm
R
BIAS
= 15kΩ
S
21
2
(dB)
S
21
2
vs. TEMPERATURE
MAX2473