Variable equalization system
Variable equalizer
Variable filter circuit
Variable gain control circuit and integrated circuit device...
Variable gain equalizer with a mirror circuit having opposite ph
Variable-gain cascode amplifier using voltage-controlled and...
VHF power amplifier
Virtual ground preamplifier for magnetic phono cartridge
Voltage controlled high frequency equalization
Voltage tunable active inductorless filter
Voltage tunable active inductorless filter
Voss tone control circuit with reduced distortion and reduced DC