Power-amplifying circuit

Power-shifting rf amplifiers

Pre-amplifier

Pre-amplifier having improved sonic performance

Pre-amplifier with multi-stage feedback

Pre-emphasis network with variable time delay

Pre-matching of distributed and push-pull power transistors

Preamplifier

Preamplifier

Preamplifier

Preamplifier circuit for a photodetector

Preamplifier circuits

Preamplifier for amplifying signal voltages from a signal source

Preamplifier for laser guided projectile

Preamplifier for optical communication

Preamplifier for optical communication having a gain control cir

Preamplifier for optical receivers

Preamplifier for receiver and method thereof

Preamplifier for two terminal electret condenser microphones

Preamplifier having integrated circuitry