Rainbow Electronics MAX19985A - Manual (Page 8)

MAX19985A
Dual, SiGe, High-Linearity, 700MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
8 _______________________________________________________________________________________
2LO-2RF RESPONSE vs. RF FREQUENCY
M
AX19985A toc10
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
900 800
55
60
65
70
75
80
50
700 1000
T C = +85 °C
P RF = -5dBm
T C = +25 °C
T C = -30 °C
2LO-2RF RESPONSE vs. RF FREQUENCY
M
AX19985A toc11
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
900 800
55
60
65
70
75
80
50
700 1000
P LO = 0dBm
P LO = +3dBm
P
LO
= -3dBm
P RF = -5dBm
2LO-2RF RESPONSE vs. RF FREQUENCY
M
AX19985A toc12
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
900 800
55
60
65
70
75
80
50
700 1000
P RF = -5dBm
V CC = 4.75V, 5.0V, 5.25V
3LO-3RF RESPONSE vs. RF FREQUENCY
M
AX19985A toc13
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
900 800
65
75
85
95
55
700 1000
P RF = -5dBm
T C = +85 °C
T C = +25 °C
T C = -30 °C
3LO-3RF RESPONSE vs. RF FREQUENCY
M
AX19985A toc14
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
900 800
65
75
85
95
55
700 1000
P RF = -5dBm
P LO = -3dBm, 0dBm, +3dBm
3LO-3RF RESPONSE vs. RF FREQUENCY
M
AX19985A toc15
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
900 800
65
75
85
95
55
700 1000
P RF = -5dBm
V CC = 4.75V, 5.0V, 5.25V
INPUT P 1dB vs. RF FREQUENCY
M
AX19985A toc16
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
900 800
11
13
12
14
15
10
700 1000
T C = +85 °C
T C = +25 °C
T C = -30 °C
INPUT P 1dB vs. RF FREQUENCY
M
AX19985A toc17
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
900 800
11
13
12
14
15
10
700 1000
P LO = -3dBm, 0dBm, +3dBm
INPUT P 1dB vs. RF FREQUENCY
M
AX19985A toc18
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
900 800
11
13
12
14
15
10
700 1000
V CC = 5.0V
V CC = 5.25V
V CC = 4.75V
Typical Operating Characteristics (continued)
( Typical Application Circuit, V CC = +5.0V, P LO = 0dBm, P RF = -5dBm, LO is high-side injected for a 200MHz IF, T C =+25°C, unless
otherwise noted.)