LT5527 LINER [Linear Technology], LT5527 Datasheet - Page 8

• Manufacturer Part Number: LT5527
• Description: 400MHz to 3.7GHz 5V High Signal Level Downconverting Mixer
• Manufacturer: LINER [Linear Technology]

LT5527
TEST CIRCUITS
8
REF DES
C1
C2
C3
REF DES
C1, C3
C2
C6, C7
3500MHz
450MHz
900MHz
900MHz
RF
APPLICATION
High Side
High Side
Low Side
Low Side
1000pF
1000pF
VALUE
VALUE
2.7pF
4.7pF
1μF
1μF
EXTERNAL MATCHING
FOR LOW FREQUENCY
LO
EXTERNAL MATCHING
FOR LOW FREQUENCY
EXTERNAL MATCHING
EXTERNAL MATCHING
FOR LOW BAND OR
FOR LOW BAND OR
HIGH BAND ONLY
HIGH BAND ONLY
0402
0603
0402
0402
0603
0402
SIZE
SIZE
6.8nH
3.9nH
LO ONLY
L4
—
—
LO MATCH
LO ONLY
Figure 2. Downmixer Test Schematic—Discrete IF Balun Matching (240MHz IF)
PART NUMBER
AVX 04025C102JAT
AVX 0603ZD105KAT
AVX 04025A2R7CAT
PART NUMBER
AVX 04025C102JAT
AVX 0603ZD105KAT
AVX 04025A4R7CAT
RF
Figure 1. Downmixer Test Schematic—Standard IF Matching (240MHz IF)
LO
RF
LO
IN
5.6pF
2.7pF
IN
10pF
IN
C4
IN
—
4.5mm
1.3mm
1.3mm
4.5mm
L (mm)
C5
C4
50Ω
L (mm)
C5
C4
Z
L4
50Ω
L
O
RF MATCH
Z
L4
O
3.9pF
3.9pF
0.5pF
12pF
EN
C5
EN
1
2
3
4
1
2
3
4
NC
NC
RF
NC
NC
NC
RF
NC
NC
EN
NC
EN
16
5
16
5
V
LO
CC2
V
LT5527
LO
CC2
6
LT5527
15
6
15
C1
V
NC
C1
CC1
V
REF DES
L4, C4, C5
L1, L2
T1
NC
REF DES
L4, C4, C5
L1, L2
L3
14
CC1
7
14
7
NC
NC
NC
NC
GND
GND
13
8
IF –
IF
13
GND
GND
8
IF –
IF
+
+
12
11
10
9
12
11
10
9
VALUE
VALUE
100nH
220nH
82nH
4:1
L1
L2
L3
C3
0.062"
0402
0603
0402
0603
0603
SIZE
SIZE
0.018"
0.018"
DISCRETE
IF BALUN
L2
5527 F02
C6
C2
PART NUMBER
See Applications Information
Toko LLQ1608-A82N
M/A-Com ETC4-1-2 (2MHz to 800MHz)
PART NUMBER
See Applications Information
Toko LLQ1608-AR10
Toko LLQ1608-AR22
5527 F01
C2
L1
C7
V
GND
3
2
1
CC
R
•
V
GND
= 4.4
T1
CC
•
C3
4
5
RF
GND
BIAS
GND
IF
240MHz
IF
240MHz
OUT
OUT
5527fa