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TRF1400 Datasheet Rf Telemetry Receivers

Manufacturer: Texas Instruments

Overview: TRF1400 RF TELEMETRY RECEIVERS VHF/UHF RZ ASK REMOTE CONTROL RECEIVER SLWS014E – JUNE 1996 – REVISED APRIL 1998 D Wide VHF/UHF Frequency Range 200 MHz to 450 MHz for World-Wide Remote Control Frequency Compatibility D High Receiver Sensitivity . . .

General Description

The TRF1400 VHF/UHF RZ ASK remote control receiver is specifically designed for RZ ASK (return-to-zero amplitude-shift keyed) communications systems operating in the 200-MHz to 450-MHz band.

This device is targeted for use in automotive and home security systems, garage door openers, remote utility metering, and other low-power remote control and telemetry systems.

A complete RZ ASK receiver solution on a chip, the TRF1400 requires only a minimum of external components for operation.

Key Features

  • that normally require additional circuitry in a receiver system design. These include two low-noise front-end amplifiers, an RF amplifier/comparator for detection and shaping of input signals, and a demodulated RZ ASK baseband TTL-level output that readily interfaces to self-synchronizing devices. Also included is on-chip Manchester decoding logic that provides a specially formatted TTL data output, synchronized with a trigger output, for easy interface to any microcontroller using Manchester-en.

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