TDA1072AT/V4,118

RF Receivers Overview

The TDA1072AT/V4,118 is an integrated AM receiver circuit manufactured by NXP USA Inc. It performs all active functions and part of the filtering required for an AM radio receiver. The device is designed for use in mains-fed home receivers and car radios, supporting oscillator frequencies up to 50 MHz and handling RF signals up to 500 mV. Key internal blocks include a gain-controlled RF stage, double balanced mixer, voltage-controlled oscillator, and a gain-controlled IF stage with a wide AGC range. It features a full-wave balanced envelope detector, AF preamplifier, and electronic standby switch.

RF Receivers Feature Summary

• Integrated AM receiver solution performing active functions and partial filtering
• Gain-controlled RF stage and double balanced mixer for signal processing
• Voltage-controlled oscillator providing low distortion and high spectral purity
• Gain-controlled IF stage with wide automatic gain control (AGC) range

RF Receivers Applications

• Mains-fed home AM radio receivers
• Car radio AM receiver circuits
• Oscillator applications up to 50 MHz
• RF signal reception systems handling up to 500 mV input

RF Receivers Procurement Notes

Verify component authenticity through authorized NXP distributors or certified partners. Confirm package integrity and pin alignment against the official datasheet specifications. Ensure storage conditions comply with moisture sensitivity level requirements prior to assembly. Cross-reference ordering suffixes to match exact thermal and electrical characteristics. Maintain traceability documentation for quality assurance purposes during procurement.

RF Receivers Selection Notes

Select this component for designs requiring a complete AM demodulation solution within a single IC. Consider its suitability for applications needing oscillator frequencies up to 50 MHz. Evaluate the need for its specific AGC range and RF input handling capabilities. Verify compatibility with external block filters and tuning diodes as per the schematic requirements. Assess thermal performance within the intended operating temperature range.

RF Receivers Part Context

This part belongs to the TDA1072A family of AM receiver circuits. It integrates multiple stages including RF amplification, mixing, oscillation, and detection. The design minimizes RF radiation and interference susceptibility through symmetrical architecture. It supports band switching via external diodes and provides IF output for stereo demodulation. The circuit simplifies AM radio design by consolidating essential receiver functions.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.