Rainbow Electronics MAX19995А - Manual (Page 22)

22 ______________________________________________________________________________________
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
MAX19995A
Typical Application Circuit
RF MAIN INPUT
RF DIV INPUT
C2 C3
C1
+
C8
C9
C13
C17 C18
R1
V CC
L2
L1
R3
C20
C19
IF MAIN OUTPUT
T1
C16
R2
L3
LO2
C14
LO1
4:1
4:1
V CC
V CC
V CC
V CC
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
28 29 30 31 32 33 34 35 36
19
20
21
22
23
24
25
26
27
LO2
V CC
GND
V CC
GND
GND
TAPDIV
TAPMAIN
RFMAIN
RFDIV
EXPOSED
PAD
IF
D
_
S
ET
G
N
D
IN
D
_
EX
TD
LO
_
A
D
J_
D
N
.C
.
V
C
C
V
C
C
N
.C
.
LO
_
A
D
J_
M
V
C
C
IN
D
_
EX
TM
G
N
D
IF
M
_
S
ET
IF
D
+
IF
D
-
V
C
C
IF
M
+
IF
M
-
LO1
LOSEL
GND
GND
GND
GND
GND
V CC
MAX19995A
C4
C7 C6
C5
V CC
V CC
C21
LO SELECT
C15
V CC
R5
R4
V CC
L4
L5
R6
L6
C10
C11
T2
IF DIV OUTPUT
C12