NTE875

Features:

 Low Differential Gain and Phase
IF and Detector pin Compatible with NTE878 (Discontinued)
CommonBase IF Inputs for SAW Filters
True Synchronous Video Detector using PLL (Phase Lock Loop)
Excellent Stability at High System Gains
NoiseAverage Gated AGC System
Uncommitted AGC Comparator Input
Internal AGC Gate Generator
Superior SmallSignal Detector Linearity
AFC Detector with Adjustable Output Bias
9MHz Video Bandwidth
Reverse Tuner AGC Output

 

Pinout




Specifications

Power Supply Voltage, V₂ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 15V
IF Supply Current, I₅  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..  .. . . . 60mA
AGC Gate Voltage, V₁₄  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . .  . . . . . . . ±5V
Video Output Current, I₁₆  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 10mA
Phase Lock Loop (PLL) Filter Current, I₁₈  . . . . . . . . . . . . . . . . . . .  . . . . . . ..  . . .. . . . 5mA
Detector Input Signal, _DET  . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 1V_rms
Power Dissipation, P_D  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . 2W
Thermal Resistance, JunctiontoAmbient, R_thJA  . . . . . .. . . . . . . . . . . . . .  . . . . 50°C/W
Junction Temperature, T_J  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  0°C to +70°C
Storage Temperature Range, T_stg  . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (During Soldering, 10sec), T_L  . . . . . . . . . . . . . . . . . . . . . . . . .+260°C


Description

The NTE875 is a complete video IF signal processing system on a single 28Lead DIP type package.This device contains a 5stage gaincontrolled IF amplifier, a PLL synchronous amplitude detector,selfcontained gated AGC, and a switchable AFC detector.  The increased flexibility of the NTE875 makes it suitable for a wide variety of television applications where high quality video or sound carier recovery is required.  These include home receiver video IFs, cable and subscription TV decoders, and parallel sound IF/intercarrier detector systems.  Typical operating frequencies of NTE875 are 38.9MHz, 45.75MHz, 58.75MHz, and 61.25MHz.