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AN-1131 APPLICATION NOTE
AN-1131 APPLICATION NOTE

... or an external multiplexer is switched, the ADC does not automatically detect that a change has occurred. It produces outputs that are a weighted average of the new input and the old input, unless the ADC is instructed to start a fresh conversion by means of interrupting the converter when the exter ...
LM124/LM224/LM324/LM2902 Low Power Quad Operational
LM124/LM224/LM324/LM2902 Low Power Quad Operational

... This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP transistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasi ...
AD538.pdf
AD538.pdf

Pulse Converters
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... ORDER CODE Cod. Z104 ...
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Chapter 4

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Capacitor FAQ`s - RCD Components

... capacitance and dissipation factor over time. It is caused by a gradual realignment of the crystalline structure of the ceramic. To reverse this shelf life aging effect, the parts can be “deaged” by baking parts at +125ºC for 4 hours or ½ to 1hour at +150ºC. This will result in parts increasing in c ...
Solid State Relays Input Resistor Selection
Solid State Relays Input Resistor Selection

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TLV7256 - Texas Instruments
TLV7256 - Texas Instruments

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CMA43

CUB3T3(4) - Red Lion
CUB3T3(4) - Red Lion

... hundredth hour or tenth minute timers. The timing function on both models can be activated by either a contact closure or the application of 10 to 300 (AC 50/60 Hz or DC). Both models are equipped with a remote reset. The CUB3T4 has the additional feature of a front panel reset. Time is displayed on ...
Description Installation Units
Description Installation Units

... to operate even if sense leads are not connected. If the sense terminals are not connected, the device internally adjusts as far as the unit’s DC output connector. In many practical applications, the devices are operated without sense leads being connected. E.g. in the case of short (low impedance) ...
Design of a Regenerative Receiver for the Short-Wave - Inictel-UNI
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... Regenerative receivers can demodulate DSBC AM signals (double side band with carrier present) as well as SSB (single side band) signals, where the carrier and one side band have been suppressed. These receivers may use a detector-amplifier, where no external demodulator diode is needed. For this pur ...
Powerpoint Slides
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... If XL = XC, the phase angle is zero, and the voltage and current are in phase. The power factor: ...
High Voltage DC Circuit Breakers Design, Operation and Expectation
High Voltage DC Circuit Breakers Design, Operation and Expectation

Using Op Amps as Comparators INTRODUCTION by James Bryant
Using Op Amps as Comparators INTRODUCTION by James Bryant

... A comparator has low offset, high gain, and high common-mode rejection. So does an op amp. So what is the difference? A comparator has a logic output that indicates which of the two inputs is at a higher potential. If its output is TTL or CMOS compatible (and many comparators are), it is always inte ...
what is the total resistance?
what is the total resistance?

...  When a voltage is applied to a circuit, there is an electric field present inside the wire.  This field causes electrons to move through the wire.  The electrons frequently collide with positive charges, which causes them to drift through the wire very slowly. ...
I battery = I 1 = I 2 = I 3
I battery = I 1 = I 2 = I 3

... Two resistors connected end-to-end are said to be connected in series. The total resistance is simply the sum of the two. In this case, it would be 22000 + 33 = 22033 ohms. If 1 volt is applied to the open end of the 22K resistor, the current through the whole circuit would be I = V/R = 1/22033 or . ...
MAX8581/MAX8582 2.5MHz/1.5MHz Step-Down Converters with 60m Bypass in TDFN for CDMA PA Power
MAX8581/MAX8582 2.5MHz/1.5MHz Step-Down Converters with 60m Bypass in TDFN for CDMA PA Power

... phase lag due to the output capacitor is removed, making the loop exceedingly stable and allowing the use of very small ceramic output capacitors. This configuration yields load regulation equal to half the inductor’s series resistance multiplied by the load current. This voltage-positioning load re ...
LT1638/LT1639 - 1.2MHz, 0.4V/us Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps
LT1638/LT1639 - 1.2MHz, 0.4V/us Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps

... supplies with a total voltage of 2.5V to 44V drawing only 170μA of quiescent current per amplifier. These amplifiers are reverse battery protected and draw no current for reverse supply up to 18V. The input range of the LT1638/LT1639 includes both supplies, and a unique feature of this device is its c ...
Photoelectric Sensor with Analog Output IRS/IRN
Photoelectric Sensor with Analog Output IRS/IRN

... generates an analog output signal. Without fibre optics or with fibres 2 in 1 type, the sensor is applicable as relative distance detection device or similar applications. With 2-2 type fibres, function as light barrier, the sensor can be used for turbidity measurement or similar applications. Depen ...
TPS54325 数据资料 dataSheet 下载
TPS54325 数据资料 dataSheet 下载

... an internal compensation circuit for pseudo-fixed frequency and low external component count configuration with both low ESR and ceramic output capacitors. It is stable even with virtually no ripple at the output. At the beginning of each cycle, the high-side MOSFET is turned on. This MOSFET is turn ...
Input-current-shaper based on a modified SEPIC
Input-current-shaper based on a modified SEPIC

... constant on C1,a certain amount of capacitance should make up this capacitor. With respect to the hold-up capability, it is not indifferent where the capacitance is located. The total energy storage to be used in case of a line failure is now, for the Modified SEPIC converter with a bulk capacitor a ...
比较器系列ADCMP600 数据手册DataSheet 下载
比较器系列ADCMP600 数据手册DataSheet 下载

... therefore, the fastest times are observed with the VCC supply at 2.5 V, and larger values are observed when driving loads that switch at other levels. When duty cycle accuracy is critical, the logic being driven should switch at 50% of VCC and load capacitance should be minimized. When in doubt, it ...
Lampizator
Lampizator

... Most DACs out there offer the option to have balanced output and by using 4 tubes - we can get XLR outputs as well as RCA's. If you can’t find the DAC datasheet in the www.alldatasheet.com – you can find the legs (V out only) by using a small speaker and a wire with sharp tips. Touch the ground with ...
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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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