MAX9989 Maxim Integrated Products, MAX9989 Datasheet - Page 7

• Manufacturer Part Number: MAX9989
• Description: (MAX9989 / MAX9990) +14dBm to +20dBm LO Buffers
• Manufacturer: Maxim Integrated Products

(V
guaranteed operating range, and are provided for reference only.)
CC
120
115
110
105
100
4.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
= 5.0V, nominal bias, f
4.7
SUPPLY VOLTAGE (V)
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
10
15
20
25
30
35
40
0
5
1500
4.9
1500
PLL NOT BIASED
OUTPUT RETURN LOSS vs. FREQUENCY
_______________________________________________________________________________________
PLL BIASED
V
T
P
A
CC
IN
PLL ISOLATION vs. FREQUENCY
1600
1600 1700 1800 1900
= +25°C
= +9dBm
= 5V
5.1
PLL TO OUTLO
OUTLO TO PLL
1700
IN
FREQUENCY (MHz)
FREQUENCY (MHz)
5.3
= 1800MHz, P
1800 1900
OUTLO
5.5
OUTPLL
2000
2000
V
T
P
A
CC
IN
= +25°C
= +9dBm
= 5V
IN
2100
2100
+14dBm to +20dBm LO Buffers
18
17
16
15
14
13
12
11
10
Typical Operating Characteristics (continued)
= +9dBm, T
1500
2200
2200
SMALL-SIGNAL GAIN vs. FREQUENCY
1600 1700 1800 1900
-40°C
MAX9990
FREQUENCY (MHz)
A
= +25°C, unless otherwise noted.) (Shaded regions are outside the
OUTLO
+25°C
+85°C
V
P
NOMINAL BIAS
2000
CC
IN
-140
-145
-150
-155
-160
= -15dBm
= 5V
15
20
25
30
35
40
45
50
55
60
65
with ±1dB Variation
2100
1500
OUTPUT NOISE POWER vs. INPUT POWER
4
OUT-TO-IN ISOLATION vs. FREQUENCY
OUTPLL TO IN
OUTLO TO IN
2200
1600
5
6
1700
INPUT POWER (dBm)
FREQUENCY (GHz)
7
1800 1900
-10
-12
-14
-16
-18
-20
-6
-8
8
1500
±100MHz OFFSET
9
INPUT RETURN LOSS vs. FREQUENCY
V
T
P
A
CC
IN
1600
10
= +25°C
= +9dBm
2000
= 5V
V
T
P
A
CC
IN
= +25°C
11
= +9dBm
1700
= 5V
2100
FREQUENCY (MHz)
12
1800
2200
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13
1900
2000
2100
2200
7