Variable gain control circuit

Variable gain direct coupled amplifier

Variable gain electronic amplifier

Variable gain low-noise amplifier for a wireless terminal

Variable impedance circuit employing an ris field effect...

Variable load impedance gain-controlled amplifier

Variable-gain ac amplifier

Variable-gain amplifier stage equipped with field- effect...

Variolosser for an automatic gain control circuit

Video noise reduction method using non-linear pre/de-emphasis

Voltage controlled attenuator

Voltage controlled variable gain circuit

Volume and compression control in movie theaters

Volume and tone control for multi-channel audio systems

Wide band amplifier limiter device

Wide-band transistorized amplifier