Typical operating characteristics (continued) – Rainbow Electronics MAX19995 User Manual
Page 15
MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
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15
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc58
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300
2100
1900
60
70
80
90
50
1700
2500
T
C
= -30
°
C
T
C
= +85
°
C
T
C
= +25
°
C
P
RF
= -5dBm
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc59
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300
2100
1900
60
70
80
90
50
1700
2500
P
RF
= -5dBm
P
LO
= -3dBm
P
LO
= 0dBm
P
LO
= +3dBm
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc60
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300
2100
1900
60
70
80
90
50
1700
2500
V
CC
= 4.75V, 5.0V, 5.25V
P
RF
= -5dBm
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc61
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300
2100
1900
65
75
85
95
55
1700
2500
T
C
= -30
°
C
T
C
= +85
°
C
T
C
= +25
°
C
P
RF
= -5dBm
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc62
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300
2100
1900
65
75
85
95
55
1700
2500
P
RF
= -5dBm
P
LO
= -3dBm, 0dBm, +3dBm
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc63
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300
2100
1900
65
75
85
95
55
1700
2500
P
RF
= -5dBm
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V
INPUT P
1dB
vs. RF FREQUENCY
MAX19995 toc64
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300
2100
1900
12
11
13
14
16
15
10
1700
2500
T
C
= +85
°
C
T
C
= -30
°
C
T
C
= +25
°
C
INPUT P
1dB
vs. RF FREQUENCY
MAX19995 toc65
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300
2100
1900
12
11
13
14
16
15
10
1700
2500
P
LO
= -3dBm, 0dBm, +3dBm
Typical Operating Characteristics (continued)
(
Typical Application Circuit, optimized for the UMTS band, R1 = R4 = 681
Ω, R2 = R5 = 1.5kΩ, V
CC
= +5.0V, 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 toc66
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300
2100
1900
12
11
13
14
16
15
10
1700
2500
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V