ATA5743 ATMEL Corporation, ATA5743 Datasheet - Page 31

• Manufacturer Part Number: ATA5743
• Description: Ata5743 Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Figure 6-28. Application Circuit: f
Figure 6-29. Application Circuit: f
4839B–RKE–08/05
COAX
COAX
GND
GND
V
V
S
S
+
+
22 nH
5%
2.2 F
20%
C7
2.2 F
20%
C7
L2
2.7 pF
5%
np0
C17
2
10 nF
10%
C6
C6
10 nF
10%
IN
1, 3, 4 6, 7, 8
C3
C3
L2
25nH
25nH
X7R
X7R
B3760
C13
C13
5%
np0
5%
np0
X7R
X7R
GND
150 pF
10%
np0
150 pF
27 pF
22 pF
47 nH
5%
np0
10 nF
10%
10 nF
10%
5%
5%
RF
RF
C14
C14
OUT
C15
10%
C15
100 pF
5%
np0
= 315 MHz without SAW Filter
C16
= 433.92 MHz with SAW Filter
33 nF
33 nF
5
C16
10
10
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
L3
68 nH
5%
100 pF
5%
np0
SENS
IC_ACTIVE POLLING /_ON
CDEM
AVCC
TEST
AGND
MIXVCC
LNAGND
LNA_IN
NC
SENS
IC_ACTIVE POLLING /_ON
CDEM
AVCC
TEST
AGND
MIXVCC
LNAGND
LNA_IN
NC
56 k
56 k
ATA5743
ATA5743
10nF
10%
X7R
10nF
10%
X7R
C12
C12
10%
10%
R2
R2
to 150 k
to 150 k
DATA_CLK
DATA_CLK
LFGND
LFGND
LFVCC
LFVCC
MODE
MODE
DGND
DGND
DVCC
DVCC
DATA
DATA
XTO
XTO
LF
LF
20
19
18
17
16
15
14
13
12
11
20
19
18
17
16
15
14
13
12
11
X7R
X7R
R1
R1
V = 5 V to 20 V
C9
4.7 nF
5%
V = 5 V to 20 V
C9
4.7 nF
5%
6.7643
820
5%
820
5%
X
X
4.906
MHz
MHz
Q1
Q1
X7R
X7R
np0
C8
C8 150 pF
5%
np0
np0
5%
R3
R3
C11
C11
1.6 k
1.6 k
10%
150 pF
10%
np0
C10
1 nF
5%
15 pF
C10
1 nF
5%
12 pF
IC_ACTIVE
Sensitivity reduction
DATA
POLLING/_ON
DATA_CLK
IC_ACTIVE
Sensitivity reduction
DATA
POLLING/_ON
DATA_CLK
ATA5743
31