Data Sheet

NTE1557
Integrated Circuit
FM/AM IF System

Description:
The NTE1557 is a monolithic integrated circuit in a 16-Lead DIP type package developed for the radio cassette tape recorder included AM/FM IF amplifier and detector.

Functions:
AM Section:
IF Amplifier with AGC Detector
Voltage Regulator for RF External Circuit
FM Section:
IF Amplifier
Quadrature Detector
Post Amplifier
Signal Meter Driver Circuit

Features:
Suitable for Radio Cassette and Home Stereo
Wide Operating Supply Voltage Range (3.0V to 14V)
Low Quiescent Circuit Current
AM Section
Simplified Input Circuit IFT (Ceramic Filter Type)
RF AGC Available
FM Section:
High Limiting Sensitivity (33dBµ, Typ)
Low Residual Noise (45dB at Vi
= -10dBµ)
Small Side Peak of Detuned Output Voltage

Replaces:
ECG1557

Additional Model #'s
76-NTE1557
NTE1557

UPC: 768249055815