lt5578 MOSA electronics corp., lt5578 Datasheet - Page 9

• Manufacturer Part Number: lt5578
• Description: 0.4ghz To 2.7ghz High Linearity Upconverting Mixer
• Manufacturer: MOSA electronics corp.

TEST CIRCUIT
INPUT
REF DES
C1, C2
C3
C4
C5
C6
C7
C8
C9
C12
C13
C14
L1, L2
L3
R1, R2
T1
TL1, TL2*
TL3
Z1
*Center-to-center spacing between C9 and C3. Center of C9 is 3.0mm from the edge of the package.
IF
4:1
T1
f
f
C1
C2
f
RF
LO
IF
13.7, 0.1%
= 140MHz
2.3mm
= 740MHz
= 880MHz
100nH
220pF
100pF
3.3pF
2.6pF
18nH
10pF
39pF
1nF
1μF
4:1
–
–
–
–
–
C9
Figure 1. Test Circuit Schematic and Component Values
TL1
TL2
f
f
f
RF
LO
IF
13.7, 0.1%
= 140MHz
2.3mm
= 900MHz
= 760MHz
100nH
220pF
100pF
1.8pF
2.7pF
6.8pF
12nH
10pF
39pF
R1
L1
L2
R2
1nF
1μF
4:1
–
–
–
–
C3
1
2
3
4
5
6
GND
GND
IF
IF
GND
GND
f
f
RF
LO
+
–
f
IF
13.7, 0.1%
= 1950MHz
= 2190MHz
= 240MHz
1.9mm
1.3mm
100nH
100pF
1.8nH
4.7pF
1.2pF
24 23 22 21 20 19
7
82pF
10pF
33pF
1nF
1μF
4:1
0Ω
C13
C12
–
–
–
LO INPUT
8
C4
GND
9
Z1
10 11 12
AT224-1
C5
0402
0402
0402
0402
0402
0603
0402
0402
0402
0402
0402
0603
0402
0603
0402
SIZE
GND
GND
GND
GND
GND
–
–
RF
18
17
16
15
14
13
C6
COMMENTS
AVX
AVX
AVX
AVX
AVX
Taiyo Yuden LMK107BJ105MA
AVX ACCU-P
AVX
Coilcraft 0603CS
Toko LL1005-FHL
IRC PFC-W0603LF-02-13R7-B
Mini-Circuits TC4-1W+
Z
Z
AVX/0Ω Jumper
O
O
= 70Ω
= 70Ω
C8
5578 F01
C7
L3
V
CC
C14
TL3
OUTPUT
RF
LT5578
9
5578f