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Line-type radar modulators - Naval Postgraduate School
Line-type radar modulators - Naval Postgraduate School

The twin-transistor noise-tolerant dynamic circuit technique
The twin-transistor noise-tolerant dynamic circuit technique

... noise is the general term used to designate any phenomenon that causes the voltage at a nonswitching node to deviate from its nominal value [1]. It thus includes [2] power-supply noise caused by circuit switching, crosstalk noise due to capacitive coupling between neighboring interconnects, and fluc ...
28V-Capable, I V Accessory Switch MAX14544/MAX14545
28V-Capable, I V Accessory Switch MAX14544/MAX14545

... load-switching applications. The MAX14544 has an autoretry feature, whereas the MAX14545 has a latchoff feature. When the switch is off, OUT can withstand 28V maximum. When the switch is on and a load is connected to the port, a blanking time of 10.5ms ensures that the transient voltage settles down ...
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... Tc (case temperature) is defined to be the temperature just beneath the specified power chip. Please mount a thermocouple on the heat sink surface at the defined position to get accurate temperature information. Due to the control schemes such different control between P and N-side, there is the pos ...
chapter 7 - Purdue Engineering
chapter 7 - Purdue Engineering

... Sometimes we make measurements and what is measured is a combination of what we wished to measure and noise. This noise could be caused by the electronic circuitry, by external factors that affect the measurement system, or by external factors that affect the variable we are trying to measure. If th ...
Load range extension methods for lightning impulse testing with
Load range extension methods for lightning impulse testing with

A Successive Approximation Technique for Displaying Gray Shades
A Successive Approximation Technique for Displaying Gray Shades

... 3) The time intervals can also be distributed into several frames and one such possibility is shown in Fig. 4. Here, the select voltages are distributed in to “ ” frames and the polarity of the voltages is reversed with in a frame. Flicker frequency will be much lower as compared to cases 1 and 2. P ...
Gate and Base Circuits and Protection
Gate and Base Circuits and Protection

... Fast switch-on MOSFET switching circuit ........................................................ 237 Totem pole gate drive circuit with pulse-edge shaping...................................... 238 The waveform of the base current for a BJT base drive .................................... 239 (a) Circ ...
TPS43330-Q1,332-Q1 - Texas Instruments
TPS43330-Q1,332-Q1 - Texas Instruments

... controller BuckA. When the buck is in a dropout condition, the device automatically reduces the duty cycle of the high-side MOSFET to approximately 95% on every fourth cycle to allow the capacitor to recharge. ...
Dual Input Reset Generator
Dual Input Reset Generator

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HMC448LC3B 数据资料DataSheet下载

... in a leadless RoHS compliant SMT package. When driven by a 0 dBm signal, the multiplier provides +11 dBm typical output power from 22 to 25 GHz. The Fo and 3Fo isolations are >20 dBc up to 22 GHz. This multi-rate frequency multiplier can be used in the generation of a half rate clock for 40 Gbps sys ...
Design of RC Snubbers for Phase Control
Design of RC Snubbers for Phase Control

... junction capacitance when the reverse voltage starts to build up during turn-off, an additional parallel RC snubber branch normally has to be utilized to further reduce the overvoltage to a reasonable limit. Obviously, the design of the snubber components depends on the operating conditions (commuta ...
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ZXGD3105N8 Description Features

... 1. The detector stage monitors the MOSFET Drain-GND voltage. 2. When, due to transformer action, the MOSFET body diode is forced to conduct there is a negative voltage on the Drain pin due to the body diode forward voltage. 3. As the negative Drain voltage crosses the Threshold voltage VT, the detec ...
LM340/LM78XX Series 3-Terminal Positive Regulators LM340/LM78XX Series
LM340/LM78XX Series 3-Terminal Positive Regulators LM340/LM78XX Series

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... Abstract— In the present paper methods of controlling Corona and breakdown in small rod-plate air gaps are investigated. Combining experimental and simulation-theoretical work, it is resulted that when the rod’s diameter is bigger, the gap length larger and the rod is grounded the field is less inho ...
Pass-Transistor Logic
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... When B is “1”, top device turns on and copies the input A to output F. When B is low, bottom device turns on and passes a “0”. The presence of the switch driven by B is essential to ensure that the gate is static – a low-impedance path must exist to supply rails. Adv.: Fewer devices to implement som ...
BD2224G-LB ,BD2225G-LB
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... Application Information When excessive current flows due to output short-circuit or so, ringing occurs because of inductance between power source line to IC, and may cause bad influences on IC operations. In order to avoid this case, connect a bypass capacitor across IN terminal and GND terminal of ...
LT1942
LT1942

... TFT Supply The three switching regulators for the TFT supply are named AVDD, VOFF and VON. Both the AVDD and VON switchers are boost type, while the VOFF is an inverting type. Power sequencing circuitry is integrated into the LT1942 to properly power up the TFT power supply. When the SHDN pin is dri ...
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... 6.10 If a ballast cuts out after running a few minutes there are a number of possible failures: -out in the ballast may have activated due to extreme ambient temperature or exposure to direct sunlight in hot summer conditions. case the ballast can be used after it had cooled down and the condition c ...
Complete 12-Bit, 25 MSPS Monolithic A/D Converter AD9225
Complete 12-Bit, 25 MSPS Monolithic A/D Converter AD9225

SFH6318, SFH6319 High Speed Optocoupler, 100 kBd, Low Input
SFH6318, SFH6319 High Speed Optocoupler, 100 kBd, Low Input

... Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular a ...
MAX14950A Single-Lane PCIe Equalizer/Redriver General Description Benefits and Features
MAX14950A Single-Lane PCIe Equalizer/Redriver General Description Benefits and Features

... Continuous Power Dissipation (TA = +70NC) TQFN (derate 35.7mW/NC above +70NC)..................2857mW Operating Temperature Range.............................. 0NC to +70NC Junction Temperature Range............................ -40NC to +150NC Storage Temperature Range............................. - ...
PLC CPM2A Data Sheet
PLC CPM2A Data Sheet

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BC847BLP Features Mechanical Data

... 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 ...
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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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