نتایج جستجو برای: transconductance
تعداد نتایج: 1298 فیلتر نتایج به سال:
in this paper, the temperature dependence of some characteristics of cylindrical gate-all-around si nanowire field effect transistor (gaa-si-nwfet) is investigated to representing the temperature nano-sensor structures and improving their performance. firstly, we calculate the temperature sensitivity of drain-source current versus the gate-source voltage of gaa-si-nwfet to propose the temperatu...
Both high gain and transconductance at low operating voltages are essential for practical applications of organic field-effect transistors (OFETs). Here, we describe the significance of the double-layer capacitance effect in polar rubbery dielectrics, even when present in a very low ion concentration and conductivity. We observed that this effect can greatly enhance the OFET transconductance wh...
Ion sensitive field-effect transistor (ISFET) based urease biosensors with solid state reference systems for single-ended and two-ended differential readout electronics were investigated. The sensing membranes of the biosensors were fabricated with urease immobilized in a conducting polymer-based matrix. The responses of 12.9∼198.1 mV for the urea concentrations of 8∼240 mg/dL reveal that the a...
This paper presents CMOS circuits for integrated analog filters at very high frequencies, based on transconductance-C integrators. First a differential transconductance element based on CMOS inverters is described. With this circuit a linear, tunable integrator for very-high-frequency integrated filters can be made. This integrator has good linearity properties (1% relative gm error for 2-V,, i...
We present a novel ultra lowvoltage floatinggate transconductance amplifier with tunable gm. The OTA can provide a sinh shaped output current , a tanh shaped output current or an enhanced linear sinh{tanh} output current.
This paper describes a fully diierential dual-ended ultra low-voltage (ULV) FGUVMOS operational transconductance ampliier (FGUVMOS-OTA). The OTA has no internal nodes, rail-to-rail operation, and a dynamic load.
CONSIDINE, v.: 'Digital complex sampling', Electron. Lett., 1983, 19, pp. 608-609 RICE, U. w., and wu, K. H.: 'Quadrature sampling with high dynamic range', IEEE Trans., 1982, AES-18, (4), pp. 736739 RAOER, c. M.: 'A simple method for sampling in-phase and quadrature components', IEEE Trans., 1984, AESZO, (6), pp. 821-824 RAFFEXTY, w., and SAULMER, G. I.: 'Variable-delay, sinelcosine noncoheren...
Ultra low-voltage (ULV) floating-gate (FG) differential amplifiers are presented. In this paper we present several different approaches to CMOS ULV amplifier design. Sinh-shaped and tanh-shaped transconductance amplifiers are described. Measured results are provided. Keywords— Floating-gate, low-voltage, low-power, lowvoltage amplifiers, analog floating-gate circuits.
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