lt5515euf-trpbf Linear Technology Corporation, lt5515euf-trpbf Datasheet - Page 5

• Manufacturer Part Number: lt5515euf-trpbf
• Description: 1.5ghz To 2.5ghz Direct Conversion Quadrature Demodulator
• Manufacturer: Linear Technology Corporation

(Test circuit optimized for 1.9GHz operation as shown in Figure 2)
TYPICAL PERFOR A CE CHARACTERISTICS
–10
–15
–20
70
65
60
55
50
45
40
35
30
–5
0
–10
1.5
IIP2 vs LO Input Power
RF, LO Port Return Loss vs
Frequency
T
f
V
LO
A
CC
LO
= – 40°C
= 1901MHz
= 5V
–8
LO INPUT POWER (dBm)
RF
FREQUENCY (GHz)
2.0
T
–6
A
= 25°C
–4
2.5
T
A
= 85°C
W
–2
5515 ¥ G10
5515 ¥ G13
U
3.0
0
–40
–45
–50
–55
–60
150
130
110
– 2
– 4
– 6
– 8
90
70
50
30
2
0
–12
0.1
2
Conv Gain vs
Baseband Frequency
Supply Current, IIP2 vs R1
LO-RF Leakage vs
LO Input Power
f
f
P
T
V
T
V
LO
RF
LO
A
CC
A
CC
= 25°C
= 25°C
= 1.9GHz
= 1901MHz
3
= –5dBm
= 5V
= 5V
–10
BASEBAND FREQUENCY (MHz)
T
A
LO INPUT POWER (dBm)
4
f
1
RF
= 85°C
T
– 8
A
= 2.4GHz
SUPPLY CURRENT
T
= 25°C
A
5
= – 40°C
R1 (Ω)
– 6
10
6
IIP2
f
7
RF
f
– 4
RF
= 2.2GHz
f
V
= 1.7GHz
LO
100
CC
8
= 1.9GHz
= 5V
– 2
5515 ¥ G11
5515 ¥ G14
5515 ¥ G16
9
1000
10
0
80
70
60
50
40
30
20
– 5
25
20
15
10
5
0
–15
2
RF-LO Isolation vs
RF Input Power
Conv Gain, NF, IIP3 vs R1
T
V
A
CC
f
f
f
f
RF
RF
CONV GAIN
RF
RF
= 25°C
3
= 5V
= 2.4GHz
= 2.2GHz
= 1.9GHz
= 1.7GHz
IIP3
–10
NF
RF INPUT POWER (dBm)
4
–5
5
R1 (Ω)
6
LT5515
0
7
f
P
T
V
LO
A
LO
CC
= 25°C
= 1901MHz
8
= –5dBm
= 5V
5
5515 ¥ G12
5515 ¥ G15
9
5515fa
5
10
10