differential amplifier


Also found in: Acronyms, Encyclopedia, Wikipedia.

differential amplifier

An amplifier used to increase the difference between two signals, one of which is usually a reference.
Mentioned in ?
References in periodicals archive ?
It may be seen in Tables 1 and 2 that in the cited designs active devices used are certain primary blocks with auxiliary voltage/current differencing unit (VDU/CDU) or differential amplifiers with their associated parasitics which tend to limit the desired range of frequency ([f.sub.p] or [f.sub.o]) [6].
Common-mode coupling between the field-effect transistor (FET) differential amplifiers on each channel can cause Colpitts oscillations and amplifier saturation.
In order to reduce the effect of the supply noise, the first amplifier A1 is implemented using a conventional differential amplifier with 50 dB open-loop gain.
The proposed differential amplifier consists of a passive balun, input matching blocks, power transistors, and the WPT network as shown in Fig.
The ADS5440 is optimized to work with TI's high-performance TMS320C6x DSP platform and a range of high-speed amplifiers and digital-to-analog converters, such as the THS4509 fully differential amplifier and DAC5687 16-bit, 500MSPS DAC, to provide a truly state-of-the-art signal chain for wideband applications.
To have the differential amplifier signal to swing around to positive and negative supplies, a signal is introduced into the amplifier that can adjust the output of the amplifier to move around a fixed point.
With a true differential amplifier on the input, the MSA66 also can be interfaced to single polarity input signals by tying the input to a reference point.
Neural activity was confirmed by recording differentially from the two microwires with an AM systems 1800 differential amplifier. The electrode was affixed with cyanoacrylate to the edge of the craniotomy, and the remaining opening was sealed with cyanoacrylate gel, the wound sutured, and the fish allowed to recover overnight.
Tenders are invited for Amplifier To Sensor Oil Circuit Differential Amplifier, Pos.214 For 3-Phase Loco As Per Specn.
In order to generate stable differential amplifier tail current, a beta-multiplier based generator was selected (Fig.
Due to the tail current source in true differential amplifier, the common-mode gain is reduced by increasing the output resistance of the bias current source.
This is in concurrence with theory of differential amplifier: As the input signal swing is less the differential amplifier takes higher settling time for output.

Full browser ?