User Manual
MAX2700/MAX2701
1.8GHz to 2.5GHz Direct Downconversion
Receivers
22 ______________________________________________________________________________________
VCC
J19
J20
C46
68pF
C45
1000pF
+
C4
10µF
29
30
32
33
34
35
36
V
CC
RFIN+
RFIN-
GND
25
26
27
28
QIN2-
DCQ2+
DCQ2-
QOUT2
IOUT2
DCI2-
DCI2+
IIN2-
8
7
6
5
4
3
2
1
V
CC
LNAIN
GND
12
11
10
9
X2_EN
V
CC
CEXT+
CEXT-
41
42
43
44
45
46
47
48
DCI1+
IIN1-
IIN1+
GND
37
38
39
40
IIN2+
V
CC
IOUT1
DCI1-
MIX_I
GND
LO
V
CC
20
19
18
17
16
15
14
13
QIN1-
DCQ1+
MIXTNK
QIN2+
QIN1+
V
CC
24
23
22
21
QOUT1
DCQ1-
MIX_Q
GND
LNAOUT
GND
GND
GND
AGC
GAIN_SET
SHDN
C8
100pF
C9
0.01µF
C7
1000pF
C6
1000pF
C2
68pF
C3
1000pF
C1
0.01µF
C40
22pF
J1
VCC
R1
0Ω
R2
100Ω
R5
100Ω
R6
100Ω
J2
VCC
R3
0Ω
R4
0Ω
J5
VCC
R9
0Ω
R10
0Ω
J4
VCC
R7
0Ω
R8
0Ω
X2EN
Z4
6pF
(1nH)
C43
68pF
C5
0Ω
(10pF)
Z1
4.7nH
(0.5pF)
J4
C10
68pF
VCC
R12
0Ω
R11
100Ω
1
C25
68pF
C30
0.1µF
C23
0.1µF
VCC
R26
0Ω
L6
4.7nH
(2.7nH)
L5
4.7nH
(2.7nH)
C31
0.1µF
R29
820Ω
C22
0.1µF
R23
820Ω
C24
0.56µF
C29
0.56µF
C27
22pF
C26
22pF
R27
51Ω
J13
R28
51Ω
R24
51Ω
J11
J12
R25
51Ω
C28
1pF
(5pF)
2
34
BALUN/TOKO/B4F
5
U1
MAX2700
MAX2701
VCC
R40
0Ω
VCC
R32
0Ω
L7
0Ω
C48
OPEN
C41
OPEN
C47
OPEN
C42
OPEN
C33
100pF
C34
0.1µF
J18
C37
0.1µF
R35
820Ω
C36
0.1µF
C39
0.56µF
R39
1k
R38
1k
J17
C38
0.1µF
R36
1.1k
R37
3.6k
R44
51Ω
J16
C35
0.56µF
R33
1.1k
R34
1k
J15
C32
0.1µF
R30
1.1k
R31
3.6k
R43
51Ω
J14
C18
0.1µF
R18
820Ω
C19
0.1µF
C15
0.56µF
R14
1k
R13
1k
C17
0.1µF
R16
1.1k
R41
51Ω
R17
3.6k
C20
0.56µF
R19
1k
R20
1k
C21
0.1µF
R22
1.1k
R21
3.6k
R42
51Ω
21
C49
5pF
(3pF)
L4
5.6nH
VCC
R15
0Ω
C16
0.1µF
C14
100pF
GND
C11
68pF
VCC
R45
0Ω
L3
C12
22pF
C13
(2pF)
OPEN
J6
J7 J8 J9 J10
31
() ARE FOR MAX2701EV KIT ONLY.
Figure 3. MAX2700/MAX2701 EV kit Schematic