Level regulator governed by a pilot tone
Linear amplifier utilizing adaptive biasing
Linear high power transistor amplifier
Logarithmic lock-in amplifier
Logic driver circuit with output protection
Loudspeaker protection circuit
Loudspeaker protective system
Loudspeaker systems
Low coherence optical system having reflective means
Low current switched capacitor circuit
Low distortion amplifier having high slew rate and high output i
Low frequency electro-thermal filter
Low noise amplifier
Low-noise microwave signal generator