Rainbow Electronics MAX19996 - Manual (Page 9)

MAX19996
SiGe High-Linearity, 2000MHz to 3000MHz
Downconversion Mixer with LO Buffer
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RF PORT RETURN LOSS
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
MAX19996 toc28
2000 2200 2400 2600 2800 3000
40
30
20
10
0
P
LO
= -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSS
vs. IF FREQUENCY
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
MAX19996 toc29
50 140 230 320 410 500
30
25
20
15
10
5
0
V CC = 4.75V, 5.0V, 5.25V
L1, L2 = 120nH
L1, L2 = 270nH
f LO = 2400MHz
L1, L2 = 470nH
LO SELECTED RETURN LOSS
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO SELECTED RETURN LOSS (dB)
MAX9996 toc30
1600 1800 2000 2200 2400 2600 2800 3000
40
30
20
10
0
P LO = -3dBm
P LO = 0dBm
P LO = +3dBm
SUPPLY CURRENT
vs. TEMPERATURE (T C )
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
MAX19996 toc31
-40 -15 10 35 60 85
200
210
220
230
240
250
V CC = 4.75V
V CC = 5.0V
V CC = 5.25V
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
MAX19996 toc32
1700 1900 2100 2300 2500 2700
-40
-30
-20
-10
0
L3 = 4.7nH
L3 = 0Ω
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
MAX19996 toc33
2000 2200 2400 2600 2800 3000
10
20
30
40
50
60
70
L3 = 0Ω
L3 = 4.7nH
Typical Operating Characteristics (continued)
( Typical Application Circuit, V CC = +5.0V, P LO = 0dBm, P RF = -5dBm, LO is low-side injected for a 300MHz IF, T C = +25°C, unless
otherwise noted.)