Rainbow Electronics MAX2701 - Manual (Page 22)

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