Datasheet

MAX19996A
SiGe, High-Linearity, 2000MHz to 3900MHz
Downconversion Mixer with LO Buffer
______________________________________________________________________________________ 25
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19996A toc136
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
350032002900
-20
-40
-30
-10
-50
2600 3800
T
C
= -30°C, +25°C, +85°C
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19996A toc137
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
350032002900
-20
-40
-30
-10
-50
2600 3800
P
LO
= -3dBm, 0dBm, +3dBm
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19996A toc138
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
350032002900
-20
-40
-30
-10
-50
2600 3800
V
CC
= 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX19996A toc139
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
3800360034003200
5
10
25
20
15
0
30
3000 4000
P
LO
= -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSS
vs. IF FREQUENCY
MAX19996A toc140
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
410230 320140
20
30
40
10
0
50
50 500
f
LO
= 3200MHz
L1, L2 = 270nH
V
CC
= 4.75V, 5.0V, 5.25V
L1, L2 = 390nH
L1, L2 = 470nH
L1, L2 = 120nH
LO PORT RETURN LOSS
vs. LO FREQUENCY
MAX19996A toc141
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
2900 34502350
20
30
10
0
40
1800 4000
P
LO
= -3dBm
P
LO
= +3dBm
P
LO
= 0dBm
SUPPLY CURRENT
vs. TEMPERATURE (T
C
)
MAX19996A toc142
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
25 55-5
220
230
210
240
250
200
-35 85
V
CC
= 5.0V
V
CC
= 4.75V
V
CC
= 5.25V
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19996A toc143
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
33003000
-40
-30
-50
-20
-10
-60
2700 3600
L3 = 4.7nH
L3 = 0Ω
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX19996A toc144
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
36003300
30
40
50
20
3000 3900
L3 = 4.7nH
L3 = 0Ω
Typical Operating Characteristics (continued)
( Typical Application Circuit with tuning elements outlined in Table 1, V
CC
= 5.0V, f
RF
= 3000MHz to 3900MHz, LO is low-side
injected for a 300MHz IF, P
RF
= -5dBm, P
LO
= 0dBm, T
C
= +25°C, unless otherwise noted.)