LM1865
Advanced FM IF System (National Semiconductor)
LM1868
Radio System (National Semiconductor)
LM1800
LM1800 Phase-Locked Loop FM Stereo Demodulator (National Semiconductor)
LM1801
Battery Operated Power Comparator (National Semiconductor)
LM1812
ULTRASONIC TRANSCEIVER (National Semiconductor)
LM1815
Adaptive Variable Reluctance Sensor Amplifier (National Semiconductor)
LM1815
Adaptive Variable Reluctance Sensor Amplifier (Texas Instruments)
LM1815EP
Enhanced Plastic Adaptive Variable Reluctance Sensor Amplifier (National Semiconductor)
LM1818
Electronically Switched Audio Tape System (National Semiconductor)
LM1819
Air-Core Meter Driver (National Semiconductor)