MAX1472_1 Datasheet, PDF (4/5 Pages) Maxim Integrated Products – Evaluation Kit

MAX1472 Evaluation Kit
Figure 1. MAX1472 EV Kit
50Ω OUTPUT
* ^{AT 315MHz AT 433.92MHz}
C1
15pF
7pF
C2
22pF
12pF
C6
15pF
10pF
L1
27nH
22nH
L3
22nH
15nH
Y1 9.84375MHz 13.56MHz
*VALUES AFFECTED BY PC BOARD LAYOUT.
VDD
R1
5kΩ
C18
VSS ^OPEN
C4
680pF
L3
*
RFOUT
C6
*
C12
220pF
L1
*
C1
*
C2
*
ANTENNA_OUT
1
R2
2
0Ω
C14
Y1
12pF
*
C16
OPEN
C15
C19
12pF OPEN REF_IN
1
2
1
XTAL1
8
XTAL2
2
V_SS
3
PAV_SS U1
7
V_DD
6
MAX1472 ^DATA
C5
OPEN
C7
0.47µF
VDD
C11
220pF
VDD
R3
5.1Ω
C10
0.01µF
1
DATA_IN
2 JU2
3
4
PA
5
ENABLE
JU1
ENABLE
1
GND
V+
8
TRIGGER
2
7
TRIGGER DISCHARGE
R4
TRIGGER 36kΩ
VDD
SW1
U2
ICM7555
3
6
OUTPUT THRESHOLD
4
RESET
CONTROL 5
VOLTAGE
JU4
VDD
JU3
BAT1
TRIGGER
C3
0.01µF
Figure 2. MAX1472 EV Kit Circuit Diagram
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