Rainbow Electronics MAX19996 - Manual (Page 14)

MAX19996
SiGe High-Linearity, 2000MHz to 3000MHz
Downconversion Mixer with LO Buffer
14 ______________________________________________________________________________________
2RF-2LO RESPONSE
vs. RF FREQUENCY
RF FREQUENCY (MHz)
2RF-2LO RESPONSE (dBc)
MAX19996 toc67
2000 2200 2400 2600 2800 3000
45
50
55
60
65
70
75
P RF = -5dBm
L3 = 0 Ω
L3 = 4.7nH
V CC = 3.3V
3RF-3LO RESPONSE
vs. RF FREQUENCY
RF FREQUENCY (MHz)
3RF-3LO RESPONSE (dBc)
MAX19996 toc68
2000 2200 2400 2600 2800 3000
45
50
55
60
65
70
75
P
RF
= -5dBm
L3 = 0Ω
L3 = 4.7nH
V CC = 3.3V
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
MAX19996 toc69
1700 1900 2100 2300 2500 2700
-40
-30
-20
-10
0
L3 = 4.7nH
L3 = 0Ω
V CC = 3.3V
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQENCY (MHz)
RF-TO-IF ISOLATION (dB)
MAX19996 toc70
2000 2200 2400 2600 2800 3000
10
20
30
40
50
60
L3 = 0 Ω
L3 = 4.7nH
V CC = 3.3V
Typical Operating Characteristics (continued)
( Typical Application Circuit, V CC = +3.3V, P LO = 0dBm, P RF = -5dBm, LO is low-side injected for a 300MHz IF, T C = +25°C, unless
otherwise noted.)