lt5520 Linear Technology Corporation, lt5520 Datasheet - Page 4

• Manufacturer Part Number: lt5520
• Description: 1.3ghz To 2.3ghz High Linearity Upconverting Mixer
• Manufacturer: Linear Technology Corporation

LT5520
V
unless otherwise noted. For 2-tone inputs: 2nd IF Input = 141MHz at –10dBm. (Test Circuit Shown in Figure 2.)
4
TYPICAL PERFOR A CE CHARACTERISTICS
CC
16
14
12
10
–2
–4
50
45
40
35
30
25
20
15
10
–4
–5
–1
–2
–3
–6
= 5V
8
6
4
2
0
5
0
4
3
2
1
0
–16
–16
–16
Conversion Gain and SSB Noise
Figure vs LO Input Power
Conversion Gain vs IF Input
Power (One Input Tone)
IIP3 and IIP2 vs
LO Input Power
GAIN
IIP2
IIP3
DC
T
A
T
, EN = High , T
–12
A
T
= 85 C
–12
–12
A
= –40 C
= 85 C
LO INPUT POWER (dBm)
LO INPUT POWER (dBm)
IF INPUT POWER (dBm)
T
LOW SIDE LO
LOW SIDE LO
HIGH SIDE LO
T
A
A
T
= –40 C
A
= 25 C
–8
= 25 C
–8
–8
HIGH SIDE LO
T
A
A
= 85 C
–4
–4
–4
= 25 C, IF input = 140MHz at –10dBm, LO input = 1.76GHz at –5dBm, RF output measured at 1900MHz,
T
A
T
= 25 C
A
= –40 C
W
0
0
0
SSB NF
5520 • G06
5520 • G09
5520 • G12
U
4
4
4
20
18
16
14
12
10
8
6
4
2
0
–10
–15
–20
–25
–5
0
–10
–20
–30
–40
–50
–60
–80
–90
–70
10
IF, LO and RF Port Return Loss
vs Frequency
0
0
–16
50
45
40
35
30
25
20
15
10
RF Output Power and Output IM3 vs
IF Input Power (Two Input Tones)
5
0
IF PORT
–16
IM3
P
IIP3 and IIP2 vs
LO Input Power
OUT
500
IIP3
IIP2
T
T
A
LO PORT
A
= –40 C
T
–12
= –40 C
IF INPUT POWER (dBm/TONE)
A
–12
1000
= 25 C
FREQUENCY (MHz)
LO INPUT POWER (dBm)
T
T
T
A
A
A
= 85 C
RF PORT
= –40 C
= 25 C, T
–8
1500
–8
T
A
T
= 85 C
A
2000
= 85 C
A
–4
= –40 C
T
–4
A
T
A
= 85 C
= 25 C
2500 3000
0
5520 • G13
0
5520 • G10
5520 • G07
4
4
–1
–2
8
7
6
5
4
3
2
1
0
4.0
Conversion Gain, IIP3 and IIP2
vs Supply Voltage
GAIN
–10
–20
–30
–40
–50
–60
–80
–70
–10
–20
–30
–40
–50
–60
10
0
–16
–16
LOW SIDE LO
4.25
LO-RF Leakage
vs LO Input Power
RF Output Power and Output IM2 vs
IF Input Power (Two Input Tones)
T
P
LOW SIDE AND HIGH SIDE LO
IM2
A
OUT
= 25 C
T
HIGH SIDE LO
SUPPLY VOLTAGE (V)
LOW SIDE LO
A
–12
–12
4.5
IF INPUT POWER (dBm/TONE)
= –40 C
LO INPUT POWER (dBm)
T
A
4.75
= 85 C
T
–8
–8
A
= 85 C
HIGH SIDE LO
5.0
–4
–4
T
5.25
T
A
A
T
= –40 C
A
= 25 C
T
5520 • G14
T
A
IIP2
IIP3
= –40 C
A
0
0
= 25 C
= 85 C
5.5
5520 • G08
5520 • G11
50
45
40
35
30
25
20
15
10
5
0
5520f
4
4