Typical application circuit – Rainbow Electronics MAX19985A User Manual
Page 22
Advertising
MAX19985A
Dual, SiGe, High-Linearity, 700MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
22
______________________________________________________________________________________
Typical Application Circuit
MAX19985A
5
6
4
3
23
22
24
IFDBIAS
IFD+
IFD-
LEXTD
V
CC
25
V
CC
IFMBIAS
IFM+
IFM-
V
CC
LEXTM
LOMBIAS
10
11
V
CC
13
14
15
16
35
36
34
32
31
30
GND
V
CC
GND
GND
LOSEL
GND
GND
GND
12
33
7
21
GND
GND
C15
9
19
RFDIV
LO1
V
CC
8
20
TAPDIV
GND
2
26
GND
R1
TAPMAIN
1
27
LO2
LO1
LO2
+
N.C.
N.C.
18
28
V
CC
LODBIAS
17
29
RFMAIN
L3
L2
L1
EXPOSED
PAD
C16
C20
C19
C21
LO
SELECT
IF MAIN
OUTPUT
IF DIV
OUTPUT
C14
V
CC
RF DIV
INPUT
RF MAIN
INPUT
C1
C8
C3
C2
C4
V
CC
C5
V
CC
C6
C7
C18
V
CC
V
CC
C17
V
CC
R2
T1
4:1
R3
R4
L5
L4
C10
C11
C12
C9
V
CC
V
CC
C13
V
CC
R5
T2
4:1
R6
L6
R8
R7
U1
Advertising