U2741B
Model | U2741B |
Description | UHF ASK/FSK TRANSMITTER |
PDF file | Total 9 pages (File size: 187K) |
Chip Manufacturer | ATMEL |
U2741B
Pin Configuration
Figure 3.
Pinning SSO16
DIVIC
ASK
1
16
FSK
2
15
PWRSET
VCC
3
14
PWRVCC
CLK
4
13
ANT
U2741B
GND
5
12
PWRGND1
LFVCC
6
11
PWRGND2
LFGND
7
10
XTO1
LF
8
9
XTO2
Pin Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
ASK
FSK
VCC
CLK
GND
LFVCC
LFGND
LF
XTO2
XTO1
PWRGND2
PWRGND1
ANT
PWRVCC
PWRSET
DIVIC
Function
Modulation input ASK
Modulation input FSK
Supply voltage
Clock output
Ground
Supply voltage VCO
VCO ground
Circuit PLL loop
FM modulation output
Connection for crystal
Power GND2
Power GND1
RF output
Supply voltage power amplifier
Applied to VCC
Pitch factor setting for crystal
L: high crystal frequency
H: low crystal frequency
3
4733A–RKE–11/03