Rainbow Electronics MAX19995 - Manual (Page 9)

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
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2RF-2LO RESPONSE vs. RF FREQUENCY
MAX19995 toc10
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 toc11
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 toc12
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
2300 2100 1900
60
70
80
90
50
1700 2500
P RF = -5dBm
V
CC
= 4.75V, 5.0V, 5.25V
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc13
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
2300 2100 1900
65
75
85
95
55
1700 2500
P RF = -5dBm
T
C
= -30 ° C
T C = +85 ° C
T C = +25 ° C
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc14
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
Typical Operating Characteristics (continued)
( 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.)
3RF-3LO RESPONSE vs. RF FREQUENCY
MAX19995 toc15
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 toc16
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300 2100 1900
12
11
13
14
15
10
1700 2500
T C = +85 ° C
T C = -30 ° C
T C = +25 ° C
INPUT P 1dB vs. RF FREQUENCY
MAX19995 toc17
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300 2100 1900
12
11
13
14
15
10
1700 2500
P LO = -3dBm, 0dBm, +3dBm
INPUT P 1dB vs. RF FREQUENCY
MAX19995 toc18
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
2300 2100 1900
12
11
13
14
15
10
1700 2500
V CC = 5.25V
V
CC
= 4.75V
V
CC
= 5.0V