lt5519 Linear Technology Corporation, lt5519 Datasheet - Page 4

• Manufacturer Part Number: lt5519
• Description: 0.7ghz To 1.4ghz High Linearity Upconverting Mixer
• Manufacturer: Linear Technology Corporation

LT5519
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
8
6
4
2
0
–2
–4
–6
21
20
19
18
17
16
15
18
16
14
12
10
–16
= 5V
Conversion Gain and SSB Noise
Figure vs LO Input Power
8
6
4
2
0
500
–16
Conversion Gain and SSB Noise
Figure vs RF Output Frequency
IIP3 and IIP2 vs
LO Input Power
GAIN
IIP3
T
GAIN
A
DC
NF
= 85 C
–12
, EN = High, T
LOW SIDE LO
–12
700
RF OUTPUT FREQUENCY (MHz)
LO INPUT POWER (dBm)
LOW SIDE AND HIGH SIDE LO
LO INPUT POWER (dBm)
T
A
T
A
= 85 C
HIGH SIDE LO
–8
900
–8
= 25 C
T
T
A
A
HIGH SIDE LO
LOW SIDE LO
= –40 C
= 25 C
HIGH SIDE LO
–6
A
1100
–4
= 25 C, IF input = 140MHz at –10dBm, LO input = 1.14GHz at –5dBm, RF output measured at 1000MHz,
T
LOW SIDE LO
A
= –40 C
–4
1300
W
0
NF
5519 G06
IIP2
5519 G03
5519 G09
–2
1500
U
4
20
18
16
14
12
10
8
6
4
2
0
60
50
40
30
20
10
0
25
23
21
19
17
15
13
500
21
20
19
18
17
16
15
IIP3 and IIP2
vs RF Output Frequency
IIP3
–16
IIP3 and IIP2 vs
LO Input Power
–10
–20
–30
–40
–50
–60
–70
–80
–90
IIP3
10
0
–16
700
T
RF OUTPUT FREQUENCY (MHz)
RF Output Power and Output IM3 vs
IF Input Power (Two Input Tones)
A
P
IM3
–12
= 85 C
OUT
LO INPUT POWER (dBm)
HIGH SIDE LO
HIGH SIDE LO
LOW SIDE LO
LOW SIDE LO
–12
T
900
T
T
IF INPUT POWER (dBm/TONE)
A
A
A
= –40 C
T
T
= 25 C
= 85 C
–8
A
A
T
= –40 C
A
= –40 C
= –40 C
1100
T
–8
T
A
A
= 85 C
–4
= 25 C
1300
–4
T
0
A
IIP2
T
5519 G04
T
= 25 C
A
A
= 25 C
1500
5519 G07
= 85 C
IIP2
0
60
50
40
30
20
10
0
4
5519 G10
60
50
40
30
20
10
0
4
–10
–20
–40
–50
–30
–60
–20
–40
–50
–60
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–30
10
500
0
0
LO-RF Leakage
vs RF Output Frequency
–16
–16
LO-RF Leakage
vs LO Input Power
RF Output Power and Output IM2 vs
IF Input Power (Two Input Tones)
P
IM2
OUT
700
RF OUTPUT FREQUENCY (MHz)
–12
–12
IF INPUT POWER (dBm/TONE)
HIGH SIDE LO
T
T
LO INPUT POWER (dBm)
A
A
T
= –40 C
A
= 25 C
900
= –40 C
–8
T
T
–8
A
A
= 85 C
= 85 C
T
A
1100
= 85 C
T
A
–4
–4
= –40 C
LOW SIDE LO
T
1300
A
T
= 25 C
A
0
0
= 25 C
5519 G05
5519 G08
5519 G11
1500
5519f
4
4