Digitally programmable variable gain amplifier

2020-02-17 18:12

TI has a broad portfolio of programmable gain amplifiers and variable gain amplifiers to meet any system requirement. Digitally programmable precision amplifiers with binary and scope gain ranges up to 1, 000VV. Search PGAs. Search all programmable and variable gain amplifiers.Digital (5 to 8bits typical) Figure 1: Variable Gain Amplifier (VGA) Applications. Such a device has a gain that is controlled by a dc voltage or, more commonly, a digital input. This device is known as a variable gain amplifier (VGA), or programmable gain amplifier (PGA). In the case of voltagecontrolled VGAs, it is common to make the gain digitally programmable variable gain amplifier

52 rows  Variable gain amplifiers (VGAs) are used in a variety of remote sensing and

Variable Gain Amplifiers (VGA) IDT offers digitallycontrolled intermediate frequency (IF) and radio frequency (RF) variable gain amplifiers (VGA) with FlatNoise technology, an innovative technology where noise does not degrade as gain is reduced. IDT's lownoise devices improve qualityofservice (QoS) and ease the signaltonoise ratio (SNR) Digitally Programmable Amplifier Meets Sensor Gain, Ranging Needs. At the same time, the gain applied to a sensor output may also need to be adjusted during run time, for example, to compensate the nonlinear output across the temperature range. To achieve this, a programmable gain amplifier (PGA) or a variable gain amplifier (VGA) is usually located between a sensor and its ADC (Fig. 1). digitally programmable variable gain amplifier Variable Gain Amplifiers. The receiver consists of a singleended input preamplifier and a linearindB, differentialoutput VGA. It has a gain span of 30 dB in 3dB steps and a 3dB bandwidth of 230 MHz. The driveramplifier delivers 300 mA on a 3. 3V supply, well suited for driving low impedance loads.

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