Datasheet

Evaluate: MAX2900–MAX2904
MAX2900–MAX2904 Evaluation Kits
12 ______________________________________________________________________________________
1
3
2
JU1
VCC
C3
1nF
R4
2.7kΩ
C2
82pF
R3 1.6kΩ
R2
51kΩ
R1
0Ω
TUNE
C1
OPEN
C35
OPEN
C4 0.01µF
VREG
C5 1000pF C6 100pF C7 100pF
VCC_ VCO
C13 10µF
R5
68kΩ
1
JU1
VCC
1
3
2
JU2
VCC
VCC
VCC
JU3
1
2
3
JU4
C9
100pF
C8
0.01µF
VCC_ MOD
R6
OPEN
VREG
VASK
R7 OPEN
LD
R8 30kΩ
VCC_
DRV
C10 100pF
R9 0Ω
1
TP1
C36 22µF
L2
12nH
L1
12nH
L4
27nH
L3
27nH
C32
1.8pF
C31
1.8pF
C11 100pF
C12 0.01µF
VCC_PA
C15
1.2pF
C16
1.2pF
L5
33nH
C33
0.5pF
C34 0.5pF
C39
1.2pF
C21
6.8pF
C38
1.2pF
L7
33nH
L6
33nH
RF SMA
DIVOUT
C23
22pF
C24
10pF
C26
1000pF
C27
100pF
Y1
C25
1000pF
R12
OPEN
REF SMA
VCC_ DIG
C28
1000pF
VCC_ CP
JU8
1
2
3
JU9
C14
10µF
C30
10µF
C29 0.1µF
VCC
GND
JU10
CUT HERE
VCC_DIG
JU11
CUT HERE
VCC_CP
JU12
CUT HERE
VCC_VCO
JU13
CUT HERE
VCC_MOD
JU14
CUT HERE
VCC_DRV
JU15
CUT HERE
VCC_PA
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22232425262728
MODIN
CPOUT V
CC
5 N.C./D2 REFOUT V
CC
4 REFIN OSC
DO/VCO+
D1/VCO-
DIVOUT
N.C./GND
RF+
RF-
TEST1
V
CC
3PWRSETLDVASK
V
CC
2
OOKINMODIN
REFEN EN RPLF V
CC
1
VREG VGND VTUNE
MAX2904
R14
OPEN
R13
OPEN
R10
OPEN
L9
10nH
C20
1.2pF
C37
1.2pF
R11
OPEN
L8
10nH
C19
100pF
SMA VCO
1
3
2
JU6
VCC
1
3
2
JU7
VCC
VCC
T1
6 4
1 3 2
BALUN
U1
R15
10Ω
Figure 4. MAX2904 EV Kit Schematic