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ADM2914 - Analog Devices
ADM2914 - Analog Devices

MAX3158 High CMRR RS-485 Transceiver with ±60V Isolation General Description
MAX3158 High CMRR RS-485 Transceiver with ±60V Isolation General Description

... The MAX3158 is a high CMRR RS-485/RS-422 data-communications interface providing ±60V isolation in a hybrid microcircuit. A single +5V supply on the logic side powers both sides of the interface, with external 100V capacitors transferring power from the logic side to the isolated side. Each MAX3158 ...
ADCMP341 数据手册DataSheet 下载
ADCMP341 数据手册DataSheet 下载

... Each of the comparators has one input available externally; the other comparator inputs are connected internally to the 400 mV reference. The ADCMP341 has two noninverting comparators and the ADCMP343 has two inverting comparators. There are two input pins available to each comparator. However, thes ...
PDF
PDF

... The model proposed here was developed in PSIM and consists of a PV array model, a DC-link capacitor and a controlled current source, which replaces the power converter. The MPPT control block generates the reference voltage using the algorithm under test (see Figure 9a). The reference voltage genera ...
A forum for the exchange of circuits, systems, and software for real
A forum for the exchange of circuits, systems, and software for real

Kondratenko_S.V.2
Kondratenko_S.V.2

... Findings of the analysis and calculations of the drivers  According circuitry - only LVDS-driver output signal levels are not adhered to one or both of the common buses, which increases noise immunity.  According output impedance - CML-driver has the lowest impedance (43 ohms in this case), which ...
NJU7380
NJU7380

Cost-Effective Smart Metering System for the Power Consumption
Cost-Effective Smart Metering System for the Power Consumption

Conventions for Energy and Sequence Components
Conventions for Energy and Sequence Components

... determined as the summed (point-by-point) product of the voltage and current, by element. Reactive power (VARs) is determined as the imaginary component of the vector product of the voltage, the current, and a vector having a magnitude of √3/2 (0.866) and a phase angle of +30 or -30 degrees. In a sy ...
DPKC_Mod05_Part02_v05
DPKC_Mod05_Part02_v05

MAX8795A TFT-LCD DC-DC Converter with Operational Amplifiers General Description
MAX8795A TFT-LCD DC-DC Converter with Operational Amplifiers General Description

... included is a logic-controlled, high-voltage switch with adjustable delay. The step-up DC-DC converter provides the regulated supply voltage for the panel source driver ICs. The converter is a high-frequency (1.2MHz) current-mode regulator with an integrated 20V n-channel MOSFET that allows the use ...
SN65LVDS116 数据资料 dataSheet 下载
SN65LVDS116 数据资料 dataSheet 下载

... A common problem with differential signaling applications is how the system responds when no differential voltage is present on the signal pair. The SN65LVDS116 receiver is like most differential line receivers, in that its output logic state can be indeterminate when the differential input voltage ...
Dual 0.275% Comparators and Reference with Programmable Hysteresis ADCMP341/ADCMP343
Dual 0.275% Comparators and Reference with Programmable Hysteresis ADCMP341/ADCMP343

... accuracy comparators with a 400 mV reference in an 8-lead SOT-23 package. Operating within a supply range of 1.7 V to 5.5 V, the devices only draw 6.5 μA (typical), making them ideal for low voltage system monitoring and portable applications. Hysteresis is determined using three resistors in a stri ...
Designing High-Power Arrays Using Maxi, Mini and Micro
Designing High-Power Arrays Using Maxi, Mini and Micro

... Based on this result a 6.8 Ω damping resistor was added in series with the 0.15 uF capacitor. This involved a tradeoff because the resistor reduces attenuation of the highest frequency components of switching noise. To regain low impedance bypassing at high frequency a 33 nF ceramic capacitor was ad ...
R2 Series) DDTCxxxxLP (R1 Features
R2 Series) DDTCxxxxLP (R1 Features

... Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Inc ...
200-mA, Low-IQ, Low-Dropout Regulator (LDO) for Portable Devices
200-mA, Low-IQ, Low-Dropout Regulator (LDO) for Portable Devices

ultra-precision differential cml line driver/receiver with
ultra-precision differential cml line driver/receiver with

... 8. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. 9. High frequency AC electricals are guaranteed by design and characterization. 10. Random jitter is measured with a K28.7 comma detect character pattern, measured at 2.5 ...
NCT3941S/S-A
NCT3941S/S-A

... regulator turn on or turn off. When pulling this pin below 0.3V, the regulator will be turned off. When pulling this pin above 1V, the regulator will be turned on. 7.3 Full On Function This function is for NCT3941S-A only. The input voltage level of FON# can control the internal regulator fully turn ...
datasheet for the QRD1114
datasheet for the QRD1114

... REFLECTIVE OBJECT SENSOR ELECTRICAL / OPTICAL CHARACTERISTICS ...
HMC493LP3 数据资料DataSheet下载
HMC493LP3 数据资料DataSheet下载

... from DC (with a square wave input) to 18 GHz input frequency from a single +5V DC supply. The low additive SSB phase noise of -150 dBc/Hz at 100 kHz offset helps the user maintain excellent system noise performance. ...
P3Z22V10 3V zero power, TotalCMOS™, universal PLD
P3Z22V10 3V zero power, TotalCMOS™, universal PLD

A differential electrometer for vector electric field
A differential electrometer for vector electric field

... numbers of INA116 amplifiers were used with one LT1014 quad op-amp. The circuit elements comprising the electrometer and the second-order Butterworth filter were soldered on a double-layered glass epoxy PCB. The PCB itself was placed inside a 5 mm thick solid box made of aluminum, which acted as a F ...
a Precision Instrumentation Amplifier AD624
a Precision Instrumentation Amplifier AD624

... external protection resistors can be put in series with the inputs of the AD624 to augment the internal (50 Ω) protection resistors. This will most seriously degrade the noise performance. For this reason the value of these resistors should be chosen to be as low as possible and still provide 10 mA ...
MixPre User Guide and Technical Information
MixPre User Guide and Technical Information

IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,

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Schmitt trigger



In electronics a Schmitt trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which converts an analog input signal to a digital output signal. The circuit is named a ""trigger"" because the output retains its value until the input changes sufficiently to trigger a change. In the non-inverting configuration, when the input is higher than a chosen threshold, the output is high. When the input is below a different (lower) chosen threshold the output is low, and when the input is between the two levels the output retains its value. This dual threshold action is called hysteresis and implies that the Schmitt trigger possesses memory and can act as a bistable multivibrator (latch or flip-flop). There is a close relation between the two kinds of circuits: a Schmitt trigger can be converted into a latch and a latch can be converted into a Schmitt trigger.Schmitt trigger devices are typically used in signal conditioning applications to remove noise from signals used in digital circuits, particularly mechanical contact bounce. They are also used in closed loop negative feedback configurations to implement relaxation oscillators, used in function generators and switching power supplies.
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