U2745B-MFBG3
| Model | U2745B-MFBG3 |
| Description | UHF ASK TRANSMITTER |
| PDF file | Total 9 pages (File size: 187K) |
| Chip Manufacturer | ATMEL |
U2745B
Figure 4.
Measurement Output Network
V
S
PWRVCC
L
10
ANT
C
10
50
W
Z
Load-opt
Figure 5.
Application Circuit
+V
S
= 2.2 ... 4.0 V
ASK
ASK
1
GND
OR
Power
up
VCO
PA
16
PWRSET
C
Loop2
R
PWRSET
EN
EN
2
VCC
C
6
3
CLK
4
15
PWRVCC
14
ANT
13
CLK
3.39 MHz
C
4
L
Feed
GND
5
LFVCC
6
C
5
LFGND
7
R
4
C
1
LF
8
C
2
f
64
f
n
PWRGND1
12
PWRGND2
11
C
Loop1
XTO
XTO1
10
13.56 MHz
U2745B
NC
9
C
3
Antenna
5
4734A–RKE–11/03
