lt5522 Linear Technology Corporation, lt5522 Datasheet - Page 9

• Manufacturer Part Number: lt5522
• Description: 600mhz To 2.7ghz High Signal Level Downconverting Mixer
• Manufacturer: Linear Technology Corporation

TEST CIRCUITS
C3, C6, C7
REF DES
REF DES
C1
C2
C3
C4
C1
C2
USED FOR LOW BAND
SHUNT REACTANCE
OR HIGH BAND RF
Figure 3. Test Schematic for CATV Infrastructure Downmixer Application (50MHz to 1000MHz IF) (DC651A)
400MHz TO
400MHz TO
VALUE
0.01µF
VALUE
0.01µF
100pF
330pF
3.3µF
1.5pF
3.3µF
MATCH ONLY
2700MHz
2700MHz
OPTIONAL
LO IN
RF IN
0402
1206
0402
0402
0402
1206
0402
SIZE
SIZE
1200MHz TO
BAND)
2200MHz
1150MHz
(HIGH
Figure 2. Test Schematic for Downmixer Application (140MHz IF) (DC689A)
PART NUMBER
Murata GRP155R71C103K
Taiyo Yuden LMK316BJ475ML
Murata GRP1555C1H101J
Murata GRP1555C1H1R5C
LO IN
(TYP)
PART NUMBER
Murata GRP155R71C103K
Taiyo Yuden LMK316BJ475ML
Murata GRP155R71H331K
RF IN
L3
OR
BAND)
(LOW
C5
C5
1
2
3
4
1
2
3
4
NC
RF
RF
NC
NC
RF
RF
NC
+
–
+
–
NC
EN
EN
NC
EN
EN
REF DES
REF DES
L1, L2
L1, L2
16
5
16
5
C5
C5
T1
L3
T1
V
V
LO
LO
CC1
CC1
LT5522
LT5522
+
15
6
15
+
6
C1
C1
V
V
LO
LO
CC2
CC2
VALUE
VALUE
14
7
2.2pF
3.9nH
1.5pF
–
82nH
14
–
7
18nH
4:1
4:1
NC
NC
NC
NC
13
8
13
8
GND
GND
GND
GND
IF
IF
0603
0402
0402
IF
IF
0402
SIZE
SIZE
+
–
+
–
12
11
10
9
12
11
10
9
PART NUMBER
Coilcraft 0603CS-82NX
M/A-Com ETC4-1-2 (2-800MHz)
Murata GRP1555C1H1R5C (For Low Band Operation Only)
Coilcraft 0402CS-3N9X (For High Band Operation Only)
PART NUMBER
Murata GRP1555C1H1R5C
Toko LL1005-FH18NJ
M/A-Com MABAES0054 (5-1000MHz)
C4
L1
L2
L1
L2
C3
0.062
5522 F03
C3
C2
3
2
1
0.018
0.018
5522 F02
C2
V
GND
CC
ε
3
2
1
R
•
T1
= 4.4
T1
V
GND
•
CC
4
5
RF
GND
BIAS
GND
4
5
C6
C7
IF OUT
140MHz
LT5522
IF OUT
50MHz TO
1000MHz
5522fa
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