transconductance amplifier

transconductance amplifier

[‚tranz·kən‚duk·təns ′am·plə‚fī·ər]
(electronics)
An amplifier whose output current (rather than output voltage) is proportional to its input voltage.
References in periodicals archive ?
DCCII: Differential second generation current conveyor, ZC-CDTA: Z-copy current differential transconductance amplifier, CCCII: Second-generation current-controlled current conveyor, DO-CCII: Dual output second generation current conveyor, DX-CCII: Dual-X second generation current conveyor, DX-MOCCII: Dual-X second generation multi output current conveyor, CDTA: Current differential transconductance amplifier, DO-CF: Dual-output current follower, IVB: Inverting voltage buffer.
This active device consists of an Operational Transconductance Amplifier (OTA) and a voltage buffer.
A CMOS class-AB transconductance amplifier for switched-capacitor applications.
Kuntman, "New simple CMOS realization of voltage differencing transconductance amplifier and its RF filter application," Radioengineering, vol.
The first used element is well known Operational Transconductance Amplifier (OTA), Balanced Transconductance Amplifier (BOTA) [32] and Multi-Output Transconductance Amplifier (MOTA) [32] respectively.
The typical examples are numerous modifications of the current differencing transconductance amplifier (CDTA) [15], [20]-[22].
WiCkeD allowed ZMD designers to meet the challenging performance goals of a new type of High Gain Transconductance Amplifier (OTA) with initially 190 active devices, being the most critical part of a 14-bit ADC.
From internal structure implementation point of view, the current subtractor (CS) with current differencing capability [24], [25] forms one of the most important sub-stages of recently proposed high-performance CM active building blocks (ABBs) such as current differencing transconductance amplifier (CDTA) [6], [7], [21], current differencing buffered amplifier (CDBA) [8], [16], [20], [22], operational transresistance amplifier (OTRA) [3], [17], or second-generation differential current conveyor (DCCII) [11]-[15].
Current Differencing Buffered Amplifier (CDBA) and Current Differencing Transconductance Amplifier (CDTA) use the differential input currents, whereas Voltage Differencing Transconductance Amplifier (VDTA), Voltage Differencing Current Conveyor (VDCC) and Voltage Differencing Buffered Amplifier (VDBA) employ differential input voltages [3]-[12].
A solution presented by Srisakul [18] is based on multiple-output current controlled current conveyor transconductance amplifier (MO-CCCCTA) where current controlled current conveyor of second generation (CCCII) [1], [19], [20] and OTA create subsections.
The architecture of the chip is an operational transconductance amplifier (OTA), which is more suitable for use with a micromirror's capacitive load than a standard operational amplifier.
22] OPA860: Wide Bandwidth Operational Transconductance Amplifier and Buffer, Texas Instruments.