Rainbow Electronics MAX19999 - Manual (Page 11)

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
______________________________________________________________________________________ 11
INPUT IP3 vs. RF FREQUENCY
MAX19999 toc41
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
3800 3600 3400 3200
20
19
21
22
23
18
3000 4000
P RF = -5dBm/TONE
V CC = 3.3V
T C = +25 °C
T
C
= -30 °C
T C = +85 °C
INPUT IP3 vs. RF FREQUENCY
MAX19999 toc42
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
3800 3600 3400 3200
20
19
21
22
23
18
3000 4000
P RF = -5dBm/TONE
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm
INPUT IP3 vs. RF FREQUENCY
MAX19999 toc43
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
3800 3600 3400 3200
20
19
21
22
23
18
3000 4000
P RF = -5dBm/TONE
V CC = 3.0V, 3.3V, 3.6V
NOISE FIGURE vs. RF FREQUENCY
MAX19999 toc44
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
3725 3550 3375
10
9
8
11
12
13
7
3200 3900
T C = +25 °C
T C = -30 °C
V CC = 3.3V T C = +85 °C
NOISE FIGURE vs. RF FREQUENCY
MAX19999 toc45
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
3725 3550 3375
10
9
8
11
12
13
7
3200 3900
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm P LO = -3dBm, 0dBm, +3dBm P LO = -3dBm, 0dBm, +3dBm
NOISE FIGURE vs. RF FREQUENCY
MAX19999 toc46
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
3725 3550 3375
10
9
8
11
12
13
7
3200 3900
V CC = 3.0V, 3.3V, 3.6V
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19999 toc47
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
3600 3800 3400 3200
70
60
80
90
50
3000 4000
P RF = -5dBm
V CC = 3.3V
T
C
= +25 °C
T C = -30 °C
T C = +85 °C
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19999 toc48
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
3400 3200 3800 3600
60
70
80
90
50
3000 4000
P RF = -5dBm
V CC = 3.3V
P LO = 0dBm
P LO = +3dBm
P LO = -3dBm
2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19999 toc49
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
3400 3200 3800 3600
60
70
80
90
50
3000 4000
P RF = -5dBm
V CC = 3.6V
V CC = 3.0V
V CC = 3.3V