Typical operating characteristics (continued) – Rainbow Electronics MAX19999 User Manual
Page 12
Typical Operating Characteristics (continued)
(
Typical Application Circuit, V
CC
= +3.3V, LO is low-side injected for a 350MHz IF, P
LO
= 0dBm, P
RF
= -5dBm, T
C
=+25°C, unless
otherwise noted.)
MAX19999
Dual, SiGe High-Linearity, 3000MHz to
4000MHz Downconversion Mixer with LO Buffer
12
______________________________________________________________________________________
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19999 toc50
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
3400
3200
3800
3600
55
65
75
85
45
3000
4000
P
RF
= -5dBm
V
CC
= 3.3V
T
C
= +85
°C
T
C
= -30
°C
T
C
= +25
°C
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19999 toc51
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
3400
3200
3800
3600
55
65
75
85
45
3000
4000
P
RF
= -5dBm
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19999 toc52
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
3400
3200
3800
3600
55
65
75
85
45
3000
4000
P
RF
= -5dBm
V
CC
= 3.0V, 3.3V, 3.6V
INPUT P
1dB
vs. RF FREQUENCY
MAX19999 toc53
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
3550
3725
3375
7
8
9
10
6
3200
3900
V
CC
= 3.3V
T
C
= -30
°C
T
C
= +85
°C
T
C
= +25
°C
INPUT P
1dB
vs. RF FREQUENCY
MAX19999 toc54
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
3725
3550
3375
7
8
9
10
6
3200
3900
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
INPUT P
1dB
vs. RF FREQUENCY
MAX19999 toc55
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
3725
3550
3375
7
8
9
10
6
3200
3900
V
CC
= 3.6V
V
CC
= 3.0V
V
CC
= 3.3V
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19999 toc56
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
3400
3800
3200
3600
35
40
45
50
30
3000
4000
V
CC
= 3.3V
T
C
= -30
°C, +25°C, +85°C
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19999 toc57
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
3400
3800
3200
3600
35
40
45
50
30
3000
4000
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19999 toc58
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
3800
3600
3400
3200
35
40
45
50
30
3000
4000
V
CC
= 3.0V, 3.3V, 3.6V