LOW-VOLTAGE COMPARATOR CIRCUITPURPOSE: To provide a comparator circuit which operates under a low voltage. ;CONSTITUTION: A low-voltage comparator circuit is provided with a first voltage adding circuit 106 which outputs a level-shifted input voltage by adding a fixed voltage to an input voltage,...
Hysteresis can be added to the circuit by adding one or two external resistors depending on whether an inverting or non−inverting configuration is needed. Figure 17 shows the inverting configuration. In this configuration, the output voltage adjusts the threshold at the IN+ pin. RF R1 R2 ...
An integrated circuit comparator comprises a differential amplifier, a source follower circuit coupled to a gate terminal of a first transistor in the differential amplifier, and an output circuit. One or more source follower circuits may be utilized in connection with the differential amplifier, and...
PURPOSE: A solenoid valve driving device is provided to realize a drive circuit of low current riffle by making a drive current flow to a solenoid valve ne... K Han-Il,HAN-IL 被引量: 0发表: 1999年 用于高压电子式电流互感器的能量和数据复合光纤传输系统(英文) This paper describes a prototy...
is a cost-effective solution for portable consumer products where space, low voltage, low power and price are the primary specification in circuit design. The AZV331 is available in space saving SC-70-5 and SOT-23-5 packages, the SC-70-5 is approximately half the size of the SOT-23-5...
12: Schematic of a two-stage comparator………..16 Figure 2.13: Block diagram of high-performance voltage comparator………18 Figure 2.14: Pre-amplification stage of the comparator………19 Figure 2.15: positive feedback decision circuit………20 Figure 3.1: Block diagram of the three-stage compara...
The under/over voltage protection circuit with time delay presented here is a low cost and reliable circuit for protecting such equipments from damages. Whenever the power line is switched on it gets connected to the appliance only after a delay of a fixed time. If there is hi/low fluctuation...
A low-voltage output driving circuit capable of preventing the generation of leakage current. The circuit includes a transfer gate GT installed between the output S.sub.2 of a first CMOS inverter INV.sub.C1 and the node S.sub.1 at the gate of an MOS transistor PT.sub.3 for active pull...
More particularly, the present invention provides circuits that function with supply voltages near or lower than the threshold voltage of transistors used in the circuit. For some time, a trend in semiconductor circuits has been to decrease the feature size of transistors and to place more ...
7.4 Device Functional Modes A basic comparator circuit is used for converting analog signals to a digital output. The output is HIGH when the voltage on the noninverting (+IN) input is greater than the inverting (-IN) input. The output is LOW when the voltage on the noninverting (+IN) ...