Datenblatt-Suchmaschine für elektronische Bauteile |
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TDH2R-433-9 Datenblatt(PDF) 3 Page - Radiometrix Ltd |
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TDH2R-433-9 Datenblatt(HTML) 3 Page - Radiometrix Ltd |
3 / 11 page Radiometrix Ltd TDH2 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 3.5mm 2.2mm 30.48mm 8 mm side view (through can) top view (without can) side view (with can) recommended PCB hole size: 1.2 mm module footprint size: 26 x 37mm 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 pins 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: TDH2 footprint (top view) |
Ähnliche Teilenummer - TDH2R-433-9 |
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Ähnliche Beschreibung - TDH2R-433-9 |
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