Typical operating characteristics (continued) – Rainbow Electronics MAX19995 User Manual
Page 20
MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
20
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2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc99
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300
2100
1900
50
60
70
80
40
1700
2500
T
C
= -30
°C
T
C
= +85
°C
T
C
= +25
°C
P
RF
= -5dBm
V
CC
= 3.3V
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc100
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300
2100
1900
50
60
70
80
40
1700
2500
P
RF
= -5dBm
P
LO
= 0dBm, +3dBm
P
LO
= -3dBm
V
CC
= 3.3V
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc101
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300
2100
1900
50
60
70
80
40
1700
2500
P
RF
= -5dBm
V
CC
= 3.3V
V
CC
= 3.6V
V
CC
= 3.0V
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc102
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300
2100
1900
40
50
60
70
30
1700
2500
T
C
= -30
°
C
T
C
= +85
°
C
T
C
= +25
°
C
P
RF
= -5dBm
V
CC
= 3.3V
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc103
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300
2100
1900
40
50
60
70
30
1700
2500
P
RF
= -5dBm
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc104
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300
2100
1900
40
50
60
70
30
1700
2500
P
RF
= -5dBm
V
CC
= 3.6V
V
CC
= 3.0V
V
CC
= 3.3V
Typical Operating Characteristics (continued)
(
Typical Application Circuit, R1 = R4 = 909
Ω, R2 = R5 = 2.49kΩ, V
CC
= +3.3V, P
LO
= 0dBm, P
RF
= -5dBm, LO is low-side injected
for a 190MHz IF, T
C
= +25°C, unless otherwise noted.)
INPUT P
1dB
vs. RF FREQUENCY
MAX19995 toc105
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300
2100
1900
7
6
8
9
12
11
10
5
1700
2500
T
C
= +85
°C
T
C
= -30
°C
T
C
= +25
°C
V
CC
= 3.3V
INPUT P
1dB
vs. RF FREQUENCY
MAX19995 toc106
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300
2100
1900
8
6
7
9
10
12
11
5
1700
2500
P
LO
= -3dBm, 0dBm, +3dBm
V
CC
= 3.3V
INPUT P
1dB
vs. RF FREQUENCY
MAX19995 toc107
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300
2100
1900
8
6
7
9
10
12
11
5
1700
2500
V
CC
= 3.6V
V
CC
= 3.0V
V
CC
= 3.3V