LTC5549
9
5549fa
For more information www.linear.com/LTC5549
Typical perForMance characTerisTics
Conversion Loss and IIP3 vs Case
Temperature (High Side LO)
Conversion Loss and IIP3
vs LO Power (High Side LO)
Conversion Loss and IIP3
vs Supply Voltage (High Side LO)
Conversion Loss and IIP3
vs IF Frequency (Low Side LO) Input P1dB vs IF Frequency IF Isolation
Conversion Loss and IIP3 vs Case
Temperature (Low Side LO)
Conversion Loss and IIP3
vs LO Power (Low Side LO)
Conversion Loss and IIP3
vs Supply Voltage (Low Side LO)
2GHz to 13GHz upmixer application.
V
CC
= 3.3V, EN = high, X2 = low, T
C
= 25°C, P
LO
= 0dBm, P
IF
= –5dBm (–5dBm/tone for two-tone IIP3 tests, Δf = 2MHz), IF = 1.89GHz,
unless otherwise noted. Test circuit shown in Figure 1.
RF FREQUENCY (GHz)
3 131210 11
6
4 5 6 7 8 9
28
10
8
12
16
14
20
18
26
24
22
CONVERSION LOSS (dB), IIP3 (dBm)
IIP3
CONVERSION LOSS
–40°C
25°C
85°C
105°C
RF FREQUENCY (GHz)
3 13
6
4 5 6 7 8 9 10 11 12
28
10
8
12
16
14
20
18
26
24
22
CONVERSION LOSS (dB), IIP3 (dBm)
IIP3
CONVERSION LOSS
–6dBm
0dBm
6dBm
RF FREQUENCY (GHz)
3 1311 1210
5549 G26
6
4 5 6 7 8 9
28
10
8
12
16
14
20
18
26
24
22
CONVERSION LOSS (dB), IIP3 (dBm)
CONVERSION LOSS
IIP3
3.0V
3.3V
3.6V
RF FREQUENCY (GHz)
2 3 10
6
4 5 6 7 8 9
28
10
8
12
16
14
20
18
26
24
22
CONVERSION LOSS (dB), IIP3 (dBm)
IIP3
CONVERSION LOSS
–40°C
25°C
85°C
105°C
RF FREQUENCY (GHz)
2 3 10
6
4 5 6 7 8 9
28
10
8
12
16
14
20
18
26
24
22
CONVERSION LOSS (dB), IIP3 (dBm)
CONVERSION LOSS
IIP3
–6dBm
0dBm
6dBm
RF FREQUENCY (GHz)
2 3 10
5549 G29
6
4 5 6 7 8 9
28
10
8
12
16
14
20
18
26
24
22
CONVERSION LOSS (dB), IIP3 (dBm)
IIP3
CONVERSION LOSS
3.0V
3.3V
3.6V
IF FREQUENCY (GHz)
0.5 1
28
26
6
5549 G30
12
10
6
1.5 2 2.5 3 3.5 4 4.5 5 5.5
30
16
14
18
22
20
24
8
CONVERSION LOSS (dB), IIP3 (dBm)
CONVERSION LOSS
IIP3
RF = 5.8GHz
RF = 9.8GHz
IF FREQUENCY (GHz)
0.5 1 6
5549 G31
12
10
1.5 2 2.5 3 3.5 4 4.5 5 5.5
17
13
14
15
16
11
INPUT P1dB (dBm)
HS LO RF = 5.8GHz
LS LO RF = 9.8GHz
IF FREQUENCY (GHz)
0.5 1 6
5549 G32
40
20
1.5 2 2.5 3 3.5 4 4.5 5 5.5
80
50
60
70
30
IF ISOLATION (dB)
IF-RF
IF-LO