NTE748 Overview
Key Specifications
Package: DIP
Mount Type: Through Hole
Pins: 14
Operating Voltage: 5 V
Description
The NTE748 is an integrated circuit in a 14–Lead DIP type pacjage designed for IF limiting, detection, audio preamplifier and driver for the sound portion of a TV receiver. Features: D Excellent Limiting with 80µV(rms) Input Signal typ D Large Output–Voltage Swing–to 3.5V(rms) typ D High IF Voltage Gain–65dB typ D Zener Power–Supply Regulation Built–in D Short–Circuit Protection D A Coincidence Discriminator that Requires Only One RLC Phase Shift Network D Preamplifier to Drive a Single External–Transistor Class–A Audio Output Stage Parameter Input Voltage AM Rejection Symbol VL AMR –3dB Limiting Vin = 20mVrms, AM = 30%, AMR = 20 log, Note 1 VOFM: f = 4.5MHz, Deviation = ±25kHz, QL = 24 VOAM: f = 5.5MHz, Deviation = ±50kHz, QL = 30 Test Conditions Min – – – – – Typ 80 45 45 1.0 3.5 Max 160 – – – – Unit µVrms dB dB % Vrms Total Harmonic Distortion Maximum Undistorted Audio Output V.
