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AM-TX1-433 Datasheet(PDF) 1 Page - rfsolutions.ltd |
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AM-TX1-433 Datasheet(HTML) 1 Page - rfsolutions.ltd |
1 / 3 page DS012_1 Oct 00 ©2000 REG No 277 4001, ENGLAND. Page 1 AM RF TRANSMITTER MODULE. AM-TX1-XXX FEATURES • MINIATURE MODULE (7.5 x 11.5 X 4.5mm) • SAW CONTROLLED FREQUENCY STABILITY • NO ADJUSTABLE COMPONENTS. • TRANSMITTING RANGE UP TO 30 METRES. • CMOS/TTL COMPATIBLE INPUT. • CURRENT CONSUMPTION 2.5mA (typ). • SINGLE SUPPLY VOLTAGE 2.5 -12V. • COMPATIBLE WITH R.F. SOLUTIONS AM RECEIVER. • MPT1340 LICENCE EXEMPT. • AVAILABLE AS EITHER 418MHz OR 433MHz. APPLICATIONS • CAR ALARM KEYFOBS • REMOTE TRANSMITTER ENCODERS • GARAGE DOOR OPENERS • REMOTE GATE SYSTEMS DESCRIPTION The R.F. Solutions AM Transmitter module offers a miniature hybrid modular RF transmitter providing on-off keyed modulation, which can be used to transmit data from any standard CMOS/TTL source up to 1200 baud. The module is very simple to operate, requiring only two connections (see application circuit below). The module is also very efficient, using only 2.3mA (typ) which means that it may be driven directly from an encoder I/C or microcontroller. The output impedance has been designed to give optimum performance when coupled with a small antenna such as a tuned loop or short whip. The modules are compatible with the AM Receiver modules (AM -HRRn-XXX or AM-RRS2-XXX). The transmitter module is type approved to MPT1340 for use in general telemetry and telecommunications products, when used with the antenna as listed overleaf. APPLICATION CIRCUIT TX1 Module TX1 Module + - 220pF Rd Signal from Encoder circuit drive current drive Voltage Rd Signal from Encoder circuit drive current drive Voltage RF GND RF GND 220pF Driving TX1 from Current Source Driving TX1 from - Current Sink |
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Descripción similar - AM-TX1-433 |
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