Apparatus for correcting distortion in low frequency cable

Apparatus for matching a variable load impedance with an RF powe

Apparatus for multiple frequency power application

Apparatus for optimization of microwave processing of industrial

Apparatus for transmitting high frequency signals

Apparatuses and a method for controlling antenna systems in...

Arrangement and method relating to filtering of signals

Arrangement for exchanging signals between separated circuits

Array of directional filters

Attenuation equalizer for correcting a temperature and frequency

Attenuation equalizer for transmission lines

Attenuator

Attenuator adapted for clip mounting to connecting block termina

Attenuator switchably coupled to transmission path and means for

Audio processing apparatus and method

Audio signal transmission circuit having a constant level tone-c

Auto-tuned apparatus for band-pass filter

Automated microwave tuning system for de-emulsifier systems

Automatic antenna coupler tuning control circuit

Automatic antenna-switching apparatus and system