PGECET Electronics Question Paper 1
... mm. C) 2.25 mm D) 0.75 mm Answer : (B) 3 A master-slave flip-flop has the characteristic that A) change in the input immediately reflected in the output B) change in the output occurs when the state of the master is affected C) change in the output occurs when the state of the slave is affected D) b ...
... mm. C) 2.25 mm D) 0.75 mm Answer : (B) 3 A master-slave flip-flop has the characteristic that A) change in the input immediately reflected in the output B) change in the output occurs when the state of the master is affected C) change in the output occurs when the state of the slave is affected D) b ...
Two Full Solutions for a Simple RC Network Steve Keith http://www
... The voltage across a capacitor cannot change instantaneously. A capacitor is like an open circuit to a signal that has been the same for a long time (DC) The current through a capacitor can change instantaneously t(0+) means the time as close to zero in the positive direction as possible. t(0-) mean ...
... The voltage across a capacitor cannot change instantaneously. A capacitor is like an open circuit to a signal that has been the same for a long time (DC) The current through a capacitor can change instantaneously t(0+) means the time as close to zero in the positive direction as possible. t(0-) mean ...
MAX8867/MAX8868 Low-Noise, Low-Dropout, 150mA Linear Regulators in SOT23 _______________General Description
... The MAX8867/MAX8868 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150mA. Typical output noise for these devices is just 30µVRMS, and typical dropout is only 165mV at 150mA. The output voltage is preset to voltages in the range of 2.5V to 5.0V, in 100mV ...
... The MAX8867/MAX8868 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150mA. Typical output noise for these devices is just 30µVRMS, and typical dropout is only 165mV at 150mA. The output voltage is preset to voltages in the range of 2.5V to 5.0V, in 100mV ...
HamElmer.com Technician Test Self Study Guide
... have negative values, but in calculating VSWR from the reflection coefficient, only the "absolute value" is used - which is a positive value lying between 0 and 1. As the two travelling waves pass each other in opposite directions, they set up an interference pattern called a "standing wave". At cer ...
... have negative values, but in calculating VSWR from the reflection coefficient, only the "absolute value" is used - which is a positive value lying between 0 and 1. As the two travelling waves pass each other in opposite directions, they set up an interference pattern called a "standing wave". At cer ...
ZXBM1004 VARIABLE SPEED SINGLE-PHASE BLDC MOTOR CONTROLLER DESCRIPTION
... either a 4 pin 'naked' Hall device or of the 3 pin buffered switching type. For a 4 pin device the differential Hall output signal is connected to the H+ and H- pins. For a buffered Hall sensor the Hall device output is attached to the H+ pin, with a pull-up attached if needed, whilst the H- pin has ...
... either a 4 pin 'naked' Hall device or of the 3 pin buffered switching type. For a 4 pin device the differential Hall output signal is connected to the H+ and H- pins. For a buffered Hall sensor the Hall device output is attached to the H+ pin, with a pull-up attached if needed, whilst the H- pin has ...
Practical activities from the 2014 Physics Teachers
... range of circuit simulations . Each Simulation has a range of teaching ideas . Check out 'Circuit Construction Kit - DC only'. Crocodile clips (Yenka http://www.crocodile-clips.com/ ) (simulation) (2) It has a free home licence. For school use the 'Basic Circuits' free for more sophisticated circu ...
... range of circuit simulations . Each Simulation has a range of teaching ideas . Check out 'Circuit Construction Kit - DC only'. Crocodile clips (Yenka http://www.crocodile-clips.com/ ) (simulation) (2) It has a free home licence. For school use the 'Basic Circuits' free for more sophisticated circu ...
HW8
... 1.50 F and the resistance is 2.00M . Switch S has been closed for a long time. It is then open. After a time interval equal to one time constant of the circuit, find (a) the charge on the capacitor plate on the right, (b) the rate at which charge is increasing, (c) the current, (d) the power suppl ...
... 1.50 F and the resistance is 2.00M . Switch S has been closed for a long time. It is then open. After a time interval equal to one time constant of the circuit, find (a) the charge on the capacitor plate on the right, (b) the rate at which charge is increasing, (c) the current, (d) the power suppl ...
AD8565/AD8566/AD8567 (Rev. G)
... 150°C limits the maximum power dissipation of AD8565/ AD8566/AD8567 devices. As the ambient temperature increases, the maximum power dissipated by AD8565/AD8566/ AD8567 devices must decrease linearly to maintain maximum junction temperature. If this maximum junction temperature is exceeded momentari ...
... 150°C limits the maximum power dissipation of AD8565/ AD8566/AD8567 devices. As the ambient temperature increases, the maximum power dissipated by AD8565/AD8566/ AD8567 devices must decrease linearly to maintain maximum junction temperature. If this maximum junction temperature is exceeded momentari ...
Answers
... A voltmeter of internal resistance RV = 10 k is used to measure the potential difference across one of the resistors as shown. (i) What would be the respective voltmeter readings? (3 marks) ...
... A voltmeter of internal resistance RV = 10 k is used to measure the potential difference across one of the resistors as shown. (i) What would be the respective voltmeter readings? (3 marks) ...
Chapter 5 Experiment 3: Ohm`s `Law`
... Resistance resists the flow of charge; a larger resistance requires a larger emf or potential difference, V , to result in the same current, I. The units of resistance is the Ohm (1 Ω = 1 V /A) in Georg’s honor. The resistance of a particular conductor or resistor depends on the physical dimensions ...
... Resistance resists the flow of charge; a larger resistance requires a larger emf or potential difference, V , to result in the same current, I. The units of resistance is the Ohm (1 Ω = 1 V /A) in Georg’s honor. The resistance of a particular conductor or resistor depends on the physical dimensions ...
Chapter 21
... • Hertz hypothesized the energy transfer was in the form of waves (now known to be electromagnetic waves) • Hertz confirmed Maxwell’s theory by showing the waves existed and had all the properties of light waves (with different frequencies and wavelengths) • Hertz measured the speed of the waves fro ...
... • Hertz hypothesized the energy transfer was in the form of waves (now known to be electromagnetic waves) • Hertz confirmed Maxwell’s theory by showing the waves existed and had all the properties of light waves (with different frequencies and wavelengths) • Hertz measured the speed of the waves fro ...
NSI45090JD - Adjustable Constant Current Regulator
... particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC ...
... particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC ...
Sizing a rectifier-based power supply
... 2. What effect would it have on the differential equation to use a more complex model for the diode? 3. Is it necessary to have a more detailed model of the voltage regulator? Alternatively, is it suitable to model it simply as a maximum current sink? 4. Modify the model to account for an AC brownou ...
... 2. What effect would it have on the differential equation to use a more complex model for the diode? 3. Is it necessary to have a more detailed model of the voltage regulator? Alternatively, is it suitable to model it simply as a maximum current sink? 4. Modify the model to account for an AC brownou ...
AN52 - Linear Technology Magazine Circuit Collection, Volume 1
... output immune to variations in TERMPWR. After accounting for resistor tolerances and variations in the LT1117’s reference voltage, the absolute variation in the 2.85V output is only 4% over temperature. When the regulator drops out at TERMPWR-2.85, or 1.25V, the output linearly tracks the input with ...
... output immune to variations in TERMPWR. After accounting for resistor tolerances and variations in the LT1117’s reference voltage, the absolute variation in the 2.85V output is only 4% over temperature. When the regulator drops out at TERMPWR-2.85, or 1.25V, the output linearly tracks the input with ...
ISA-PLAN® // PrecISIoN reSIStorS CMS // Size 2512
... The product specifications do not expand or otherwise modify Isabellenhütte’s terms and conditions of sale, including but not limited to, the warranty expressed therein. Isabellenhütte makes no warranty, representation or guarantee other than as set forth in its terms and conditions of sale. Informa ...
... The product specifications do not expand or otherwise modify Isabellenhütte’s terms and conditions of sale, including but not limited to, the warranty expressed therein. Isabellenhütte makes no warranty, representation or guarantee other than as set forth in its terms and conditions of sale. Informa ...
Wheatfield Audio Wheatfield Audio
... Transformer-Less) headphone amplifier. It uses two tubes, each of which has two sections (one for each channel) plus a rectifier tube in the power supply. ...
... Transformer-Less) headphone amplifier. It uses two tubes, each of which has two sections (one for each channel) plus a rectifier tube in the power supply. ...
Resistive opto-isolator
Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.