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TDL2R-433-4 Fiches technique(PDF) 3 Page - Radiometrix Ltd

No de pièce TDL2R-433-4
Description  UHF Multi Channel Transparent Data Link Transceiver
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Fabricant  RADIOMETRIX [Radiometrix Ltd]
Site Internet  http://www.radiometrix.com
Logo RADIOMETRIX - Radiometrix Ltd

TDL2R-433-4 Fiches technique(HTML) 3 Page - Radiometrix Ltd

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Radiometrix Ltd
TDL2A Data Sheet
page 3
18
17
16
15
14
13
12
11
10
GND
Vcc
ENABLE
TXD
SETUP
NC
RXD
STATUS
GND
1
2
3
4
5
6
7
8
9
RF GND
Antenna
RF GND
No pin
33 mm
30.48 mm
23 mm
7 mm
side view (through can)
top view (without can)
side view (with can)
recommended PCB hole size: 1.2 mm
module footprint size: 25 x 32 mm
pin pitch: 2.54 mm
pins 4, 5, 6, 7, 8 & 9 are not fitted
Pin description
Pin
Name
Function
18
GND
Ground
17
Vcc
5V (regulated power supply)
16
ENABLE
Enable or DTR (5V CMOS logic level input)
15
SETUP
Test/Setup mode selection
14
TXD
Transmit Data (Inverted RS232 at 5V CMOS logic level)
13
NC
No Pin
12
RXD
Receive Data (Inverted RS232 at 5V CMOS logic level)
11
STATUS
Busy or CTS (5V CMOS logic level output)
10
GND
Ground
RF GND
pin 1 & 3
RF Ground pin, internally connected to the module screen and pin 8, 9, 10 and 18 (0V). This pin should
be connected to the RF return path (e.g. co-axial cable braid, main PCB ground plane, etc).
RF
pin 2
50
Ω RF input/output from the antenna, it is DC isolated internally. (see antenna section for details).
GND
pin 8, 9, 10 and 18
Supply ground connection to ground plane and can.
VCC
pin 17
5V voltage regulator should be used to have a clean 5V supply to the module. A 4V regulator is used
inside for radio circuitry.
ENABLE
pin 16
Active low Enable pin. It has a 47k
Ω pull-ups to Vcc. It should be pulled Low to enable the module.
This can also be connected to DTR pin (only if it is asserted by the host) of an RS232 serial port via a
MAX232 or equivalent RS232-CMOS level converter.
Figure 3: TDL2A footprint (top view)


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