ECGR 2255 Lab Write-Ups
... (a) An LED. Construct the circuit shown in Fig. 7. Use a 330 ohm series resistor and 5V supply voltage. Use (i) a pushbutton and (ii) the function generator (FG) to provide the gate voltage. When using the pushbutton, record the values of VDS when the LED is on, and when it is off. When using the FG ...
... (a) An LED. Construct the circuit shown in Fig. 7. Use a 330 ohm series resistor and 5V supply voltage. Use (i) a pushbutton and (ii) the function generator (FG) to provide the gate voltage. When using the pushbutton, record the values of VDS when the LED is on, and when it is off. When using the FG ...
FSFR2100 — Fairchild Power Switch (FPS™) for Half-Bridge Resonant Converters
... Description This is the drain of the high-side MOSFET, typically connected to the input DC link voltage. ...
... Description This is the drain of the high-side MOSFET, typically connected to the input DC link voltage. ...
CMOS ANALOG CIRCUIT DESIGN
... Course Outcomes After studying this course the students would gain enough knowledge ...
... Course Outcomes After studying this course the students would gain enough knowledge ...
A Simple Clutter Canceling Circuit and Background Noise
... The fourth block consists of a mixer (LRMS-5H), a digitallycontrolled 0-180° phase shifter, RF amplifier, and a low pass filter. Both transmit and receive paths have same aluminum horn antennas with 11.5dB free space gain at 1.15GHz center frequency. The horn antenna has a wideband structure thus, i ...
... The fourth block consists of a mixer (LRMS-5H), a digitallycontrolled 0-180° phase shifter, RF amplifier, and a low pass filter. Both transmit and receive paths have same aluminum horn antennas with 11.5dB free space gain at 1.15GHz center frequency. The horn antenna has a wideband structure thus, i ...
Voltage Distortion Cause and Effect
... causes distortion of the system voltage. The voltage will be the least distorted nearest to its generating source and will become more distorted nearer to the load, as the harmonic current flows through larger amounts of impedance. If the load in Fig. 1 draws harmonic current, the highest level of v ...
... causes distortion of the system voltage. The voltage will be the least distorted nearest to its generating source and will become more distorted nearer to the load, as the harmonic current flows through larger amounts of impedance. If the load in Fig. 1 draws harmonic current, the highest level of v ...
A Four-Level pi-Type Converter for Low
... the switching frequency of the multilevel converter can be kept low, thus reducing the switching losses and shrinking the heatsink size. On the other hand, if operated at the same switching frequency, the filter size of the multilevel converter can be smaller. Either way will improve the system powe ...
... the switching frequency of the multilevel converter can be kept low, thus reducing the switching losses and shrinking the heatsink size. On the other hand, if operated at the same switching frequency, the filter size of the multilevel converter can be smaller. Either way will improve the system powe ...
PIC-Gen Frequency Generator - Everyday Practical Electronics
... The MAX038, however, is stated to have an upper frequency limit of at least 20MHz, and possibly around 40MHz. It has to be said, though, that attaining such high frequencies requires printed circuit board design and construction techniques normally found only in commercial manufacturing establishmen ...
... The MAX038, however, is stated to have an upper frequency limit of at least 20MHz, and possibly around 40MHz. It has to be said, though, that attaining such high frequencies requires printed circuit board design and construction techniques normally found only in commercial manufacturing establishmen ...
Digital PID Controller Implementation for Speed Control Applications
... amplitude. The conversion involves quantization of the input, so it necessarily introduces a small amount of error. Instead of doing a single conversion, an ADC often performs the conversions ("samples" the input) periodically. The result is a sequence of digital values that have been converted from ...
... amplitude. The conversion involves quantization of the input, so it necessarily introduces a small amount of error. Instead of doing a single conversion, an ADC often performs the conversions ("samples" the input) periodically. The result is a sequence of digital values that have been converted from ...
Christian Thompson_13780_Lozier_Thompson_interim_powerpoint
... To study the lift forces generated by the BLDC, a micro load cell is used to measure this force. ...
... To study the lift forces generated by the BLDC, a micro load cell is used to measure this force. ...
Chapter 8 Serial and Parallel Port Interfacing
... • VIH—the voltage above which the input is considered high. • IIL—the current the input will require when the input is low. • VIL – voltage below which the input will be considered low. ...
... • VIH—the voltage above which the input is considered high. • IIL—the current the input will require when the input is low. • VIL – voltage below which the input will be considered low. ...
Reactive Power Control
... suggested following solutions to overcome the problem with inter trip signal on line fault. ...
... suggested following solutions to overcome the problem with inter trip signal on line fault. ...
MAX17083 Low-Voltage, Internal Switch, Step-Down Regulator General Description
... step-down regulator optimized for low-voltage, lowpower applications. This regulator features dual internal n-channel MOSFET power switches for high efficiency and reduced component count. External Schottky diodes are not required. An integrated boost switch eliminates the need for an external boost ...
... step-down regulator optimized for low-voltage, lowpower applications. This regulator features dual internal n-channel MOSFET power switches for high efficiency and reduced component count. External Schottky diodes are not required. An integrated boost switch eliminates the need for an external boost ...
Application Note
... LVPECL and LVDS oscillators from Valpey-Fisher (VFX0301). Oscillators from different vendors may be usable if the footprint and pinout are correct. It is also possible to use CMOS oscillators, (eg. VFX0321). In that case a 0Ω resistor should be mounted at R37 to ensure a low input on CKN. Remove the ...
... LVPECL and LVDS oscillators from Valpey-Fisher (VFX0301). Oscillators from different vendors may be usable if the footprint and pinout are correct. It is also possible to use CMOS oscillators, (eg. VFX0321). In that case a 0Ω resistor should be mounted at R37 to ensure a low input on CKN. Remove the ...
Press Release NAMM, Anaheim 2008
... CV inputs: one with attenuator and three without attenuator. Each input is normalled to +1.00V (i.e. if no plug is inserted the input contributes 1.00V to the sum appearing at the output). The input with attenuator can be used for common modulations (e.g. from an LFO, ADSR, Theremin, PitchBender) fo ...
... CV inputs: one with attenuator and three without attenuator. Each input is normalled to +1.00V (i.e. if no plug is inserted the input contributes 1.00V to the sum appearing at the output). The input with attenuator can be used for common modulations (e.g. from an LFO, ADSR, Theremin, PitchBender) fo ...
O A RIGINAL RTICLES
... B., 2009) to control the average current in each LED. In this scheme, the average current supplied is dependent on the number of active LED segments for each displayed digit. By controlling the pulse width of the digit driver pulse the average current can be controlled, thereby obtaining uniform bri ...
... B., 2009) to control the average current in each LED. In this scheme, the average current supplied is dependent on the number of active LED segments for each displayed digit. By controlling the pulse width of the digit driver pulse the average current can be controlled, thereby obtaining uniform bri ...
Line Loss Minimization in Isolated Substations
... on the voltage magnitude of each load in the loop system. Line loss minimization can be achieved if the loop current is eliminated from the loop system. This clause can be achieved if, at least, the line parameters of all loop lines have the same ratio between the resistance and inductance. This can ...
... on the voltage magnitude of each load in the loop system. Line loss minimization can be achieved if the loop current is eliminated from the loop system. This clause can be achieved if, at least, the line parameters of all loop lines have the same ratio between the resistance and inductance. This can ...
A/D Converter Specifications (Cont.)
... Close cousin of the successive approximation converter. Has a up/down counter controlled by the comparator. If the input signal is higher or lower than the output of the D/A converter, the counter counts up or down, respectively. May quickly converge to the correct digital value when the signal is n ...
... Close cousin of the successive approximation converter. Has a up/down counter controlled by the comparator. If the input signal is higher or lower than the output of the D/A converter, the counter counts up or down, respectively. May quickly converge to the correct digital value when the signal is n ...
A Custom built UHF to VHF downconverter
... The total cost of the project is in the range of R300 depending if you take a packaged or open PCB design. Connector types also influence the cost. The prototype uses two SMA connectors (R30). The most expensive components are the TCXO (R60 from Arrow Altech), PLL+VCO IC (R30 from Avnet) and the PCB ...
... The total cost of the project is in the range of R300 depending if you take a packaged or open PCB design. Connector types also influence the cost. The prototype uses two SMA connectors (R30). The most expensive components are the TCXO (R60 from Arrow Altech), PLL+VCO IC (R30 from Avnet) and the PCB ...
Audio Power Amplifier Operation with Transformer Load
... Figure 4. Transformer and Load Circuit Schematic The reason for transformer core saturation during the first quarter to half cycle is that the transformer is exposed to unipolar volt-seconds during that interval, so magnetizing current builds up to a level above its steady-state value. In steady-sta ...
... Figure 4. Transformer and Load Circuit Schematic The reason for transformer core saturation during the first quarter to half cycle is that the transformer is exposed to unipolar volt-seconds during that interval, so magnetizing current builds up to a level above its steady-state value. In steady-sta ...
Charge and Discharge Inspection Equipment
... hardware is occurred. In the system of earlier power supply, the failure of the power supply or/and the battery system often caused battery explosions by the abnormal output. And the explosion was inevitable. However, our isolated regenerative power supply will minimize that type of accident. The ch ...
... hardware is occurred. In the system of earlier power supply, the failure of the power supply or/and the battery system often caused battery explosions by the abnormal output. And the explosion was inevitable. However, our isolated regenerative power supply will minimize that type of accident. The ch ...
Pulse-width modulation
Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal. Although this modulation technique can be used to encode information for transmission, its main use is to allow the control of the power supplied to electrical devices, especially to inertial loads such as motors. In addition, PWM is one of the two principal algorithms used in photovoltaic solar battery chargers, the other being MPPT.The average value of voltage (and current) fed to the load is controlled by turning the switch between supply and load on and off at a fast rate. The longer the switch is on compared to the off periods, the higher the total power supplied to the load.The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible. Typically switching has to be done several times a minute in an electric stove, 120 Hz in a lamp dimmer, from few kilohertz (kHz) to tens of kHz for a motor drive and well into the tens or hundreds of kHz in audio amplifiers and computer power supplies.The term duty cycle describes the proportion of 'on' time to the regular interval or 'period' of time; a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on and power is being transferred to the load, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle.PWM has also been used in certain communication systems where its duty cycle has been used to convey information over a communications channel.