Variable Gain Amplifiers (VGA) | Analog Devices
Variable gain amplifiers (VGAs) are used in variety of remote sensing and communications equipment. Variable gain amplifiers deliver unmatched performance for signal chains that require high dynamic …
Variable-gain amplifier - Wikipedia
A variable-gain (VGA) or voltage-controlled amplifier (VCA) is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV). VCAs have many applications, including …
Programmable & variable gain amplifiers (PGAs & VGAs)
We offer a wide range of variable and programmable gain amplifiers capable of improving the dynamic range of a circuit with the ability to adjust the amplitude of the signal in real time.
Variable Gain Amplifiers - MACOM
At MACOM we design, manufacture, and support a broad family of Variable Gain Amplifiers (VGAs) for RF, microwave, and millimeter wave applications. Our VGAs cover frequencies from 50 MHz to 40 …
Variable Gain Amplifier (VGA) ICs: Types & Guide
Aug 22, 2025 · Variable Gain Amplifier (VGA) is an electronic amplifier that adjusts its gain depending on a control signal, making it essential for systems that require dynamic signal range management, …
Variable Gain RF Amplifiers with Digital Control - Qorvo
Qorvo's variable gain amplifiers (VGAs) integrate high-performance amplifier solutions along with digital or analog gain control. Several of our VGAs integrate all of the RF matching and bias circuitry into a …
Variable Gain Instrumentation, Op Amps, Buffer Amps
How it works: Operates in open-loop mode for extremely high gain or in closed-loop mode where resistors or capacitors set a precise, predictable gain. In a sensor interface, for example, a …