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T5754 Datasheet(PDF) 2 Page - ATMEL Corporation

Part No. T5754
Description  UHF ASK/FSK TRANSMITTER
Download  13 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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T5754 Datasheet(HTML) 2 Page - ATMEL Corporation

 
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2
T5754
4511F–RKE–07/04
Pin Configuration
Figure 2. Pinning TSSOP8L
1
2
3
4
8
7
6
5
CLK
PA_ENABLE
ANT2
ANT1
ENABLE
GND
VS
XTAL
T5754
Pin Description
Pin
Symbol
Function
Configuration
1CLK
Clock output signal for micro con roller
The clock output frequency is set by the
crystal to fXTAL/4
2
PA_ENABLE
Switches on power amplifier, used for
ASK modulation
3
4
ANT2
ANT1
Emitter of antenna output stage
Open collector antenna output
5
XTAL
Connection for crystal
6
VS
Supply voltage
See ESD protection circuitry (see Figure 8 on page 8)
7
GND
Ground
See ESD protection circuitry (see Figure 8 on page 8)
8
ENABLE
Enable input
CLK
VS
100
100
PA_ENABLE
50k
U
ref = 1.1 V
20 µA
ANT1
ANT2
XTAL
1.2k
V
S
1.5k
V
S
182 µA
ENABLE
200k


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