Rainbow Electronics MAX19995 - Manual (Page 8)

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
8 _______________________________________________________________________________________
CONVERSION GAIN vs. RF FREQUENCY
MAX19995 toc01
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
2300 2100 1900
7
8
9
10
11
6
1700 2500
T C = -30 ° C
T C = +85 ° C
T C = +25 ° C
CONVERSION GAIN vs. RF FREQUENCY
MAX19995 toc02
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
2300 2100 1900
7
8
9
10
11
6
1700 2500
P
LO
= -3dBm, 0dBm, +3dBm
CONVERSION GAIN vs. RF FREQUENCY
MAX19995 toc03
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
2300 2100 1900
7
8
9
10
11
6
1700 2500
V CC = 4.75V, 5.0V, 5.25V
INPUT IP3 vs. RF FREQUENCY
MAX19995 toc04
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
2300 2100 1900
21
22
23
24
25
20
1700 2500
T C = -30 ° C
T C = +85 ° C
P
RF
= -5dBm/TONE
T C = +25 ° C
INPUT IP3 vs. RF FREQUENCY
MAX19995 toc05
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
2300 2100 1900
21
22
23
24
25
20
1700 2500
P LO = -3dBm
P LO = 0dBm
P LO = +3dBm
P RF = -5dBm/TONE
INPUT IP3 vs. RF FREQUENCY
MAX19995 toc06
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
2300 2100 1900
21
22
23
24
25
20
1700 2500
V CC = 5.25V
V CC = 4.75V
V CC = 5.0V
P RF = -5dBm/TONE
NOISE FIGURE vs. RF FREQUENCY
MAX19995 toc07
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
2300 2100 1900
8
7
9
10
11
12
6
1700 2500
T C = -30 ° C
T C = +85 ° C
T C = +25 ° C
NOISE FIGURE vs. RF FREQUENCY
MAX19995 toc08
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
2300 2100 1900
8
7
9
10
11
12
6
1700 2500
P LO = -3dBm, 0dBm, +3dBm
Typical Operating Characteristics
( Typical Application Circuit, optimized for the DCS/PCS band, R1 = R4 = 806 Ω, R2 = R5 = 2.32kΩ, 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.)
NOISE FIGURE vs. RF FREQUENCY
MAX19995 toc09
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
2300 2100 1900
8
7
9
10
11
12
6
1700 2500
V CC = 4.75V, 5.0V, 5.25V