LMT1-173-5 RADIOMETRIX, LMT1-173-5 Datasheet
LMT1-173-5
Specifications of LMT1-173-5
Related parts for LMT1-173-5
LMT1-173-5 Summary of contents
Page 1
... Receiver sensitivity: -118dBm (for 12 dB SINAD) ! Serial configuration by inverted RS232 at 3V CMOS level Radiometrix Ltd insufficient without Figure 1: LMT1 transmitter and LMR1 receiver 173.200 - 173.325MHz (UK band) 150.825 - 152.450MHz (Australian Band) +10dBm (10mW) nominal @ 3.1V (Adjustable 1 - 25mW) +20dBm (100mW) nominal @ 4.1V (Adjustable 25 - 100mW) LMT1/LMR1 Data Sheet ...
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... Radiometrix Ltd LMT1/LMR1 Data Sheet page 2 ...
Page 3
... GND 680pF RF TXD LMT The external 680pF series capacitor on LMT1 TXD input provides a defined 6dB per octave pre emphasis response, to mimic the behavior of a Phase Modulated transmitter. Radiometrix Ltd Function 3.1 – 15V power supply (10mW) 4.1V – 15V power supply (100mW) ...
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... Radiometrix Ltd LMT1/LMR1 Data Sheet page 4 ...
Page 5
... Data out (open collector, no pullup) 700mV p-p audio. DC coupled, approx 0.8v bias.` Parallel Channel select LSB Serial frequency programming / configuration Parallel Channel select Parallel Channel select Parallel Channel select MSB DC level between 0.5v and 2.2v. 60dB dynamic range LMT1/LMR1 Data Sheet 1 page 5 ...
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... For UK version (173.200 - 173.325MHz band) the following channel assignment is supplied: CH0: 173.250MHz CH1: 173.275MHz CH2: 173.300MHz CH3: 173.325MHz CH4 - CH7: 173.225MHz (only used for alarm applications) CH8 - CH31: 173.325MHz Radiometrix Ltd MHz 6930 . 250 MHz 6074 25 kHz LMT1/LMR1 Data Sheet page 6 ...
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... AF output 4kHz <-60db <-70dbm Better than 84dB <-60dB -70dBm 3.1V – 15V 20mA receive <1 A standby (RXE low) RSSI, audio, data (quasi DC data recovery circuit pin 0.1" pitch dual row (5+5) header 2pin 0.1” pitch 1.2mm LMT1/LMR1 Data Sheet page 7 ...
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... A loop of PCB track tuned by a fixed or variable capacitor to ground at the 'hot' end and fed from RF pin at a point 20% from the ground end. Loops have high immunity to proximity de- tuning. Ultimate performance Easy of design set-up Size Immunity proximity effects Radiometrix Ltd -80 -70 -60 RF level (dBm whip helical *** ** *** ** * *** * ** LMT1/LMR1 Data Sheet -50 -40 C loop * * ** *** page 8 ...
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... Figure 7: Antenna types Ordering Information: Part No. Description LMT1-173-5 Transmitter LMR1-173-5 Receiver LMT1-151-5 Transmitter LMR1-151-5 Receiver LMT1-144-5 Transmitter LMR1-144-5 Receiver LMT1-173-5-12k5 Transmitter LMR1-173-5-12k5 Receiver LMT1-151-5-12k5 Transmitter LMR1-151-5-12k5 Receiver LMT1-173-10 Transmitter LMR1-173-10 Receiver LMT1-xxx-5 Where xxx is any 2MHz band from 130MHz to-180MHz LMR1-xxx-5 ...
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... Copyright notice This product data sheet is the original work and copyrighted property of Radiometrix Ltd. Reproduction in whole or in part must give clear acknowledgement to the copyright owner. Limitation of liability The information furnished by Radiometrix Ltd is believed to be accurate and reliable. Radiometrix Ltd reserves the right to make changes or improvements in the design, specification or manufacture of its subassembly products without notice ...