ATA5423_06 ATMEL [ATMEL Corporation], ATA5423_06 Datasheet - Page 9

• Manufacturer Part Number: ATA5423_06
• Description: UHF ASK/FSK Transceiver
• Manufacturer: ATMEL [ATMEL Corporation]

2.3
Figure 2-3.
4841C–WIRE–05/06
Typical Remote Control Unit Application, 2 Li Batteries (6V)
Loop antenna
Typical Remote Control Unit Application, 433.92 MHz, 2 Li Batteries (6V)
C10
AVCC
L2
Figure 2-3
nal components are 11 capacitors, 1 resistor, 2 inductors and a crystal. C
voltage supply blocking capacitors. C
nal voltage regulators. C
used for the internal quasi-peak detector and for the high-pass frequency of the data filter. C
C
5.6 nH to 56 nH. L
integrated. R
L1
11
are RF matching capacitors in the range of 1 pF to 33 pF. L
C5
C11
C8
C9
R1
shows a typical 433.92 MHz 2 Li battery Remote Control Unit application. The exter-
1
is typically 22 kΩ and sets the output power to about 5.5 dBm.
C7
RF_IN
433_N868
R_PWR
PWR_H
NC
NC
NC
NC
RF_OUT
NC
NC
NC
2
is a feed inductor of about 120 nH. A load capacitor for the crystal of 9 pF is
C1
ATA5423/ATA5425/
ATA5428/ATA5429
5
is a 10 nF supply blocking capacitor. C
+
+
C2
Litihum-
Litihum-
Cell
Cell
2
and C
C4
SDO_TMDO
DEM_OUT
SDI_TMDI
N_RESET
3
are 2.2 µF supply blocking capacitors for the inter-
CDEM
VSINT
RSSI
SCK
CLK
IRQ
NC
CS
C6
XTAL2
ATA5423/25/28/29
13.25311 MHz
C3
VCC
1
is a matching inductor of about
44/88/168
Sensor
ATmega
6
is a 15 nF fixed capacitor
VSS
1
and C
4
are 68 nF
7
to
9