TXD1

433.92/868.35 MHz Hybrid Transmitter TXD1 ¡· ¡· ¡· Ideal for 433.92/868.35MHz Remote Keyless-Entry Transmitter. SAW RESONATOR ASK Design 433.92/868.35 MHz Hybrid Transmitter The TXD1 is an ASK transmitter module .The result is excellent performance in a simple-to-use .The TXD1 is designed specifically for remote-control , wireless mouse and car alarm system operating at 433.92/868.35 MHZ . Absolute Maximum Ratings Parameter Power Voltage Supply and/or Modulation Input Value 3 -20 to +80 ¢J Units V Operating temperature Transmitter Characteristics Parameter Output power Supply current Supply voltage Range Data Rate Icc Vcc 300Hz Symbol Condition Vcc=3.0V,TA-27¢J 433.92MHz 868.35MHz 5.5 3 10K Value min. typ. 3 max. Unit dBm dBm mA V bps KEYMARK TECHNOLOGY Co.,Ltd Page.²Ä 1 -¶ «Ø ¥ß¤é´Á 2004/2/3 433.92/868.35 MHz Hybrid Transmitter Pin assignment PIN Connections 1 2 3 4 7 10 11 13 15 GND DATA DATA GND NC NC ANT GND VCC Dimensions A B C D E Millimeters 38.3 +/- 0.1mm 11.5 +/- 0.1mm 5.9 +/- 0.1mm 2.54 (MAX) 17.5 +/0.05mm Dimensions F G H I Millimeters 5.08 +/-0.01mm 5.08 +/0.01mm 1.2 (MAX) 3.4 +/0.01mm KEYMARK TECHNOLOGY Co.,Ltd Page.²Ä 2 -¶ «Ø ¥ß¤é´Á 2004/2/3 433.92/868.35 MHz Hybrid Transmitter Typing Test Circuit Typical transmitter Application Notes: 1. Encoder : HT12D/F , PTC ( 2262 ) 2. Antenna : Length = 17.2cm for 433.92MHz ; Length = 8.7 cm for 868.35MHz KEYMARK TECHNOLOGY Co.,Ltd Page.²Ä 3 -¶ «Ø ¥ß¤é´Á 2004/2/3 ...