Paging amplifier for a key telephone system
Parellel-connection of semiconductor systems with an arrangement
Phonograph preamplifier network with infrasonic cutoff response
Photo sensor with monolithic differential amplifier
Photoelectric conversion apparatus with shielded cell
Polar leapfrog filter
Polarization independent optical amplifier apparatus
Polarization independent semiconductor optical amplifier
Portable voice communication system
Power amplifier apparatus having over-current protection functio
Power amplifier with a bootstrapped driver stage
Power laser emitting plasma confining wave beam
Priority mixer control
Protection circuit
Protection circuit
Protection circuit for insulated-gate field-effect transistors
Protective circuit
Protective circuit
Pulsed voltage amplification device with drift correction
Push-pull amplifier circuitry