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LT5511EFE#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
LT5511
13
5511i
Figure 5. Test Set-Up for Mixer Measurements
POWER
SUPPLY
SPECTRUM
ANALYZER
LO SIGNAL
GENERATOR 3
RF SIGNAL
GENERATOR 1
RF SIGNAL
GENERATOR 2
DMM
LT5511
IC
10dB
PAD
LO
IN
RF
OUT
IF
IN
T1
T2
E3
E2
E1
GND
5511 F05
POWER
SUPPLY
SW1
(OR PULSE GENERATOR
FOR TURN-ON AND
TURN-OFF MEASUREMENTS)
+
APPLICATIO S I FOR ATIO
WUU
U
LT5511
14
5511f
TYPICAL APPLICATIO S
U
5511 F06
LO
–
NC
GND
IF
+
IF
–
GND
V
CC
BIAS
GND
LO
+
V
CC
LO
GND
RF
+
RF
–
GND
EN
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
EXPOSED
PAD GND
LT5511
R2
L6
L7
R3
C10
C2
C7
C1
C11
C5
C12
C9
C4
C13
C18
T2
IF
+
(50Ω)
IF
–
(50Ω)
V
CC
V
CC
V
CC
4
3
2
1
5
LO
RF
EN
L1
TL1
TL2
R5
Figure 6. Test Circuit Schematic for 2.4GHz RF Application with 300MHz IF Input Frequency
Component Value Comments
C1, C9 22pF 0402
C5, C7, C18 100pF 0402
C4 0.1µF 0402
C2 12pF 0402
C10, C12, C13 1000pF 0402
C11 1pF 0402
L1 5.2nH 0402
L6, L7 5.6nH 0402
R2, R3 75Ω, 0.1% 0603
R5 10kΩ 0402
T2 1:1 MURATA LDB15C500A2400
Transmission Lines
TL1, TL2 Z
O
= 80Ω L = 16° AT 2.4GHz
LT5511
15
5511i
TYPICAL APPLICATIO S
U
RF OUTPUT FREQUENCY (MHz)
2200
GAIN (dB)
2600
5511 F06a
2300
2400
2500
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–8
–13
–18
–23
–28
–33
–38
–43
–48
–53
–58
GAIN
LO LEAKAGE
LO TO RF LEAKAGE (–dBm)
f
IF1
= 300MHz AT –8dBm
f
IF2
= 301MHz AT –8dBm
P
LO
= –10dBm
f
LO
SWEPT FROM 1900MHz TO 2300MHz
RF OUTPUT FREQUENCY (MHz)
2200
IIP3, IIP2 (dBm)
2600
5511 F06a
2300
2400
2500
50
45
40
35
30
25
20
15
10
5
0
IIP2
IIP3
f
IF1
= 300MHz AT –8dBm
f
IF2
= 301MHz AT –8dBm
P
LO
= –10dBm
f
LO
SWEPT FROM 1900MHz TO 2300MHz
Conversion Gain and LO to RF Leakage
vs Output Frequency (Figure 6)
IIP3 and IIP2 vs Output Frequency
(Figure 6)
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LT5511EFE#PBF

Mfr. #:
Buy LT5511EFE#PBF
Manufacturer:
Analog Devices Inc.
Description:
RF Mixer Hi Signal Level Upconverting Mixer
Lifecycle:
New from this manufacturer.
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