LT5527
5
5527fa
Conversion Gain, IIP3 and SSB
NF vs RF Frequency
3500MHz Conversion Gain, IIP3
and SSB NF vs LO Power
LO Leakage and RF-LO Isolation
vs LO and RF Frequency
Conversion Gain, IIP3 and NF
vs RF Frequency
450MHz Conversion Gain,
IIP3 and NF vs LO Power LO Leakage vs LO Frequency
IF Output Power, IM3 and IM5 vs
RF Input Power (2 Input Tones)
IF
OUT
, 2 × 2 and 3 × 3 Spurs
vs RF Input Power (Single Tone)
2 × 2 and 3 × 3 Spurs
vs LO Power (Single Tone)
RF INPUT POWER (dBm/TONE)
–21
OUTPUT POWER/TONE (dBm)
–70
–10
0
10
–15
–9
–6
5527 G10
–90
–30
–50
–80
–20
–100
–40
–60
–18
–12
–3
0
T
A
= 25°C
RF1 = 1899.5MHz
RF2 = 1900.5MHz
LO = 1660MHz
IF
OUT
IM3
IM5
RF INPUT POWER (dBm)
–15
OUTPUT POWER (dBm)
–35
–15
15
5
9
5527 G11
–55
–75
–45
–25
–5
–65
–85
–95
–9
–3
3
–12–18
–6
0
6
12
IF
OUT
(RF = 1900MHz)
T
A
= 25°C
LO = 1660MHz
IF = 240MHz
2RF-2LO
(RF = 1780MHz)
3RF-3LO
(RF = 1740MHz)
LO INPUT POWER (dBm)
–9
–100
RELATIVE SPUR LEVEL (dBc)
–90
–80
–70
–7
–5
–3 –1
5527 G12
1
–60
–50
–95
–85
–75
–65
–55
3
3RF-3LO
(RF = 1740MHz)
T
A
= 25°C
LO = 1660MHz
IF = 240MHz
P
RF
= –5dBm
2RF-2LO
(RF = 1780MHz)
RF FREQUENCY (MHz)
3300
0
G
C
, SSB NF (dB), IIP3 (dBm)
2
6
8
10
20
14
3400
3500
5527 G13
4
16
18
12
3600
3700
IIP3
LOW SIDE LO
IF = 380MHz
T
A
= 25°C
G
C
SSB NF
LO INPUT POWER (dBm)
–9
–1
G
C
, SSB NF (dB), IIP3 (dBm)
3
7
11
–7
–5
–3 –1
5527 G14
1
15
19
IIP3
SSB NF
G
C
1
5
9
13
17
3
LOW SIDE LO
IF = 380MHz
T
A
= 25°C
LO/RF FREQUENCY (MHz)
3000
LO LEAKAGE (dBm)
RF-LO ISOLATION (dB)
–50
–40
3800
5527 G15
–60
–70
3200
3400
3600
–20
–30
LO-RF
LO-IF
RF-LO
30
40
20
10
60
50
RF FREQUENCY (MHz)
400
G
C
, SSB NF (dB), IIP3 (dBm)
12
18
20
500
5527 G18
10
8
0
425
450
475
4
24
22
IIP3
SSB NF
G
C
16
14
6
2
HIGH SIDE LO
T
A
= 25°C
IF = 140MHz
LO FREQUENCY (MHz)
400
–80
LO LEAKAGE (dBm)
–70
–60
–50
–40
–30
–20
600 800 1000 1200
5527 G20
LO-IF
(450MHz APP)
LO-RF
(450MHz APP)
LO-RF
(900MHz APP)
T
A
= 25°C
P
LO
= 0dBm
LO-IF
(900MHz APP)
High Band (3500MHz application with external RF matching) V
CC
= 5V, EN = High, P
RF
= –5dBm (–5dBm/tone for 2-tone IIP3 tests,
Δf = 1MHz), low side LO, P
LO
= –3dBm, IF output measured at 380MHz, unless otherwise noted. Test circuit shown in Figure 1.
Low Band (450MHz application with external RF/LO matching) V
CC
= 5V, EN = High, P
RF
= –5dBm (–5dBm/tone for 2-tone IIP3 tests,
Δf = 1MHz), P
LO
= 0dBm, IF output measured at 140MHz, unless otherwise noted. Test circuit shown in Figure 1.
LO INPUT POWER (dBm)
–6
0
G
C
, SSB NF (dB), IIP3 (dBm)
4
8
12
16
24
–4
–2 0 2
5527 G19
46
20
2
6
10
14
22
18
IIP3
G
C
HIGH SIDE LO
IF = 140MHz
–40°C
25°C
85°C
SSB NF
TYPICAL AC PERFORMANCE CHARACTERISTICS
Midband (No external RF/LO matching)
V
CC
= 5V, EN = High, P
RF
= –5dBm (–5dBm/tone for 2-tone IIP3 tests, Δf = 1MHz), P
LO
= –3dBm, IF output measured at 240MHz, unless
otherwise noted. Test circuit shown in Figure 1.
