U2741B-NFBY Atmel, U2741B-NFBY Datasheet - Page 2

• Manufacturer Part Number: U2741B-NFBY
• Description: IC TRANSMITTR UHF ASK/FSK 16SO
• Manufacturer: Atmel

Specifications of U2741B-NFBY

• Frequency: 300MHz ~ 450MHz
• Applications: General Purpose
• Modulation Or Protocol: UHF, ASK, FSK
• Data Rate - Maximum: 20 kBaud
• Power - Output: 3dBm
• Current - Transmitting: 10mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -

Figure 1-1.
Figure 1-2.
2
Keys
1 Li cell
U2741B
System Block Diagram
Block Diagram
ATARx9x
Encoder
Remote control transmitter
U2741B
LFGND
LFVCC
UHF ASK/FSK
XTO
GND
VCC
ASK
FSK
CLK
LF
Power
PLL
amp.
VCO
Power
U2741B
OR
up
Antenna Antenna
VCO
f
f
64
n
U3741BM
XTO
PA
LNA
Remote control receiver
Demod.
IF Amp
UHF ASK/FSK
DIVC
PWRSET
PWRVCC
ANT
PWRGND1
PWRGND2
XTO1
XTO2
VCO
PLL
Control
XTO
1...3
4733B–RKE–09/05