NTE1557 Overview
Key Specifications
Max Voltage (typical range): 14 V
Min Voltage (typical range): 3 V
Max Operating Temp: 70 °C
Min Operating Temp: -20 °C
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: D AM Section: IF Amplifier with AGC Detector D Voltage Regulator for RF External Circuit D FM Section: IF Amplifier Quadrature Detector Post Amplifier Signal Meter Driver Circuit Features: D Suitable for Radio Cassette and Home Stereo D Wide Operating Supply Voltage Range (3.0V to 14V) D Low Quiescent Circuit Current D AM Section D Simplified Input Circuit IFT (Ceramic Filter Type) RF AGC Available D FM Section: High Limiting Sensitivity (33dBµ, Typ) Low Residual Noise (45dB at Vi = –10dBµ) Small Side Peak of Detuned Output Voltage Parameter Quiescent Circuit Current Input Limiting Sensitivity Detector Output Voltage Total Harmonic Distortion AM Rejection Ratio Signal to Noise Ratio Signal Meter Output Residual Noise Muting Attenuation Quiescent Circuit Current Maximum Sensitivity Detector Output Voltage Total Harmonic Distortion Signal to Noise Ratio Signal Meter Output Input Impedance (Pin 16) Symbol ICC Vi(lim) VO THD AMR S/N VM VN M(att) ICC Vo THD S/N VM Ri Vi = 0 VO (Vi = 100dBµ) –3dB VI = 100dBµ Vi = 100dBµ Vi = 100d.
