Rainbow Electronics MAX19995 - Manual (Page 22)

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
22 ______________________________________________________________________________________
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc117
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
2000 2200 1800 1600
-50
-40
-60
-30
-20
-70
1400 2400
T C = -30 ° C
T C = +85 ° C
T C = +25 ° C
V
CC
= 3.3V
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc118
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
2000 2200 1800 1600
-50
-40
-60
-30
-20
-70
1400 2400
P LO = -3dBm, 0dBm, +3dBm
V CC = 3.3V
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc119
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
2000 2200 1800 1600
-50
-40
-60
-30
-20
-70
1400 2400
V CC = 3.6V
V CC = 3.0V
V CC = 3.3V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc120
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
2200 1800 2000 1600
-40
-50
-20
-30
-10
-60
1400 2400
T C = -30 ° C, +25 ° C, +85 ° C
V CC = 3.3V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc121
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
2200 1800 2000 1600
-40
-50
-20
-30
-10
-60
1400 2400
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc122
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
2200 1800 2000 1600
-40
-50
-20
-30
-10
-60
1400 2400
V CC = 3.6V
V CC = 3.0V
V CC = 3.3V
Typical Operating Characteristics (continued)
( Typical Application Circuit, R1 = R4 = 909
Ω, R2 = R5 = 2.49kΩ, V
CC = +3.3V, P LO = 0dBm, P RF = -5dBm, LO is low-side injected
for a 190MHz IF, T C = +25°C, unless otherwise noted.)
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX19995 toc123
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2000 2150 1700 1850 1550
50
60
70
40
1400 2300
T C = +85 ° C
T
C
= -30 ° C
T C = +25 ° C
V CC = 3.3V
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX19995 toc124
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2000 2150 1700 1850 1550
50
60
70
40
1400 2300
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX19995 toc125
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2000 2150 1700 1850 1550
50
60
70
40
1400 2300
V CC = 3.0V, 3.3V, 3.6V