LT5515 LINER [Linear Technology], LT5515 Datasheet - Page 7

• Manufacturer Part Number: LT5515
• Description: 1.5GHz to 2.5GHz Direct Conversion Quadrature Demodulator
• Manufacturer: LINER [Linear Technology]

TEST CIRCUITS
100pF
C17
Figure 3. Topside of Evaluation Board
RF
J1
LDB311G9020C-452
2
3
T1
Figure 2. Evaluation Circuit Schematic for 1900MHz PCS/UMTS Application
6
1
4
I
I
OUT
OUT
C1
100pF
L1
10nH
–
+
REFERENCE
DESIGNATION
C1, C2, C16, C17
C5, C6, C7
C3
C4
L1
R1
R2
R3
T1
T2
J3
J4
C19
(OPT)
C21
(OPT)
GND
RF
RF
GND
+
–
C7
1nF
VALUE
100pF
0.1µF
2.2µF
10nH
4.3Ω
100k
1nF
1:4
1:1
1k
LT5515
R1
4.3Ω
SIZE
0402
0402
0402
3216
0402
0402
0402
0402
(OPT)
(OPT)
R2
100k
LO
LO
V
V
C18
R3 1k
C20
CC
CC
–
+
Murata LDB311G9020C-452
Murata LDB311G9005C-300
AVX TPSA225M010R1800
AVX 0402ZD104KAT
AVX 04025C101JAT
AVX 04025C102JAT
EN
Murata LQP15M
PART NUMBER
J5
J6
Q
Q
Figure 4. Bottom Side of Evaluation Board
OUT
OUT
C6
1nF
C5
1nF
+
–
5515 F02
100pF
C3
0.1µF
L2
(OPT)
C2
LDB311G9005C-300
C4
2.2µF
V
6
1
4
CC
T2
2
3
J2
LO
C16
100pF
LT5515
5515fa
7