LT5503EFE Linear Technology, LT5503EFE Datasheet - Page 12

• Manufacturer Part Number: LT5503EFE
• Description: IC DIRECT IQ MOD/MIXER 20-TSSOP
• Manufacturer: Linear Technology

Specifications of LT5503EFE

• Function: Modulator/Mixer
• Lo Frequency: 1.4GHz ~ 2.4GHz
• Rf Frequency: 1.7GHz ~ 2.7GHz
• P1db: -15dBm
• Noise Floor: -152dBm/Hz
• Output Power: 12.7dBm
• Current - Supply: 38mA
• Voltage - Supply: 1.8 V ~ 5.25 V
• Test Frequency: 2.4GHz
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT5503
12
TEST CIRCUIT
MODRFIN
LO1IN
Figure 1. Test Schematic for 1.2GHz, 1.9GHz and 2.4GHz Applications
L1
L2
L3
C2, C3, C7
C10
C23
R1
C4
C5, C6
C9
C11
L4
L5,L6
T1
Q
Q
B
V
V
CC1
CC2
0.01μF
1000pF
8.2pF
MIXRFOUT
C21
C4
C43
C3
C12
1.2GHz Matching
(Modulator Only)
C17
1μF
Application Dependent Component Values
C5
C10
C20
1000pF
C11
240Ω
33nH
2.7pF
12nH
12nH
39pF
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
DMODE
C15
1μF
L3
L4
C9
L5
GC1
4
10
1
1
2
3
4
5
6
7
8
9
8.2pF
BQ
BQ
GC1
MODIN
V
V
LO1
V
DMODE
MX
C13
CC
CC
CC
–
+
+
MOD
RF
LO1
LDB211G9010C-001
LT5503
1.9GHz Matching
21 (BACKSIDE)
T1
GND
2
MODOUT
V
V
MODEN
CC
MIXEN
CC
5.6nH
4.7nH
6.8nH
5.6nH
1.8pF
1.5pF
390Ω
1.8pF
2.2pF
VGA
MX
22nH
GC2
15pF
15pF
15pF
LO2
LO2
BI
BI
–
+
–
3
5
20
19
18
17
16
15
14
13
12
11
GC2
MODEN
MIXEN
L6
47Ω
C6
C1
2.2pF
R2
C16
1μF
LDB212G4005C-001
2.4GHz Matching
C22
1000pF
L1
2.7nH
2.7nH
4.7nH
2.2nH
8.2pF
1.2pF
1.5pF
390Ω
8.2pF
2.2pF
2.7pF
1.2pF
18nH
NOTE: V
MODULATOR AND UPMIXER
SECTIONS RESPECTIVELY.
R1
100pF
C18
1μF
C14
L2
CC1
C7
AND V
C23
C2
CC2
C19
0.01μF
POWER THE
MODRFOUT
I
I
V
LO2IN
5503 F01
B
CC1
5503f