UNDERSTAND DC AMMETER
... not be practical or possible to redesign the meter for a lower input (lead-to-lead) resistance. However, if we were selecting a value of shunt resistor to place in the circuit for a current measurement based on voltage drop, and we had our choice of a wide range of resistances, it would be the best ...
... not be practical or possible to redesign the meter for a lower input (lead-to-lead) resistance. However, if we were selecting a value of shunt resistor to place in the circuit for a current measurement based on voltage drop, and we had our choice of a wide range of resistances, it would be the best ...
Electric Circuits
... resistors, we can make and store just certain values of resistors. When we need a nonstandard size resistor, we can make it by connecting two or more standard size resistors together to make an effective resistor of the value we need. The symbol for a resistor is written: ...
... resistors, we can make and store just certain values of resistors. When we need a nonstandard size resistor, we can make it by connecting two or more standard size resistors together to make an effective resistor of the value we need. The symbol for a resistor is written: ...
LM2574/LM2574HV SIMPLE SWITCHER 0.5A Step
... replacement for popular three-terminal linear regulators. Because of its high efficiency, the copper traces on the printed-circuit board (PCB) are normally the only heat sinking needed. A standard series of inductors optimized for use with the LM2574 are available from several different manufacturer ...
... replacement for popular three-terminal linear regulators. Because of its high efficiency, the copper traces on the printed-circuit board (PCB) are normally the only heat sinking needed. A standard series of inductors optimized for use with the LM2574 are available from several different manufacturer ...
Electrical Manual
... Preparing the soldering iron • Place the soldering iron in its stand and plug in. The iron will take a few minutes to reach its operating temperature of about 400°C. • Dampen the sponge in the stand. The best way to do this is to lift it out the stand and hold it under a cold tap for a moment, then ...
... Preparing the soldering iron • Place the soldering iron in its stand and plug in. The iron will take a few minutes to reach its operating temperature of about 400°C. • Dampen the sponge in the stand. The best way to do this is to lift it out the stand and hold it under a cold tap for a moment, then ...
High-Speed Digital Output PLC Module
... power supplies in isolated interface applications. The device drives a low-profile, center-tapped transformer primary from a 3.3-V or 5-V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer turns ratio. The SN6501 is a transformer driver designed for low- ...
... power supplies in isolated interface applications. The device drives a low-profile, center-tapped transformer primary from a 3.3-V or 5-V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer turns ratio. The SN6501 is a transformer driver designed for low- ...
instructions for authors - Electrical and Computer Engineering
... The model was validated using field measurements. Comparisons were done with measurements taken with openphase A, B and C, with and without load. The simulated waveforms were similar to the experimental measurements as shown in Figure 3. Table 1 compares simulated and measured peak and rms voltage v ...
... The model was validated using field measurements. Comparisons were done with measurements taken with openphase A, B and C, with and without load. The simulated waveforms were similar to the experimental measurements as shown in Figure 3. Table 1 compares simulated and measured peak and rms voltage v ...
LT1787/LT1787HV - Precision, High Side Current Sense Amplifiers
... side current sense amplifier. The LT1787 monitors bidirectional currents via the voltage across an external sense resistor. A current or voltage output indicates the direction and magnitude of the sense current. The LT1787 delivers greater than a 12-bit dynamic range with ultralow 40µV input offset ...
... side current sense amplifier. The LT1787 monitors bidirectional currents via the voltage across an external sense resistor. A current or voltage output indicates the direction and magnitude of the sense current. The LT1787 delivers greater than a 12-bit dynamic range with ultralow 40µV input offset ...
MAX15023 Wide 4.5V to 28V Input, Dual-Output Synchronous Buck Controller General Description
... The MAX15023’s adaptive synchronous rectification eliminates the need for external freewheeling Schottky diodes. The device also utilizes the external low-side MOSFET’s on-resistance as a current-sense element, eliminating the need for a current-sense resistor. This protects the DCDC components from ...
... The MAX15023’s adaptive synchronous rectification eliminates the need for external freewheeling Schottky diodes. The device also utilizes the external low-side MOSFET’s on-resistance as a current-sense element, eliminating the need for a current-sense resistor. This protects the DCDC components from ...
MM74HCT273 Octal D-Type Flip-Flop with Clear MM74HCT273 Oct a
... of the clock pulse. The asynchronous clear forces all outputs LOW when it is LOW. All inputs to this device are protected from damage due to electrostatic discharge by diodes to VCC and ground. MM74HCT devices are intended to interface TTL and NMOS components to CMOS components. These parts can be u ...
... of the clock pulse. The asynchronous clear forces all outputs LOW when it is LOW. All inputs to this device are protected from damage due to electrostatic discharge by diodes to VCC and ground. MM74HCT devices are intended to interface TTL and NMOS components to CMOS components. These parts can be u ...
HGTG30N60A4D 600V, SMPS Series N
... switching devices combining the best features of MOSFETs and bipolar transistors. This device has the high input impedance of a MOSFET and the low on-state conduction loss of a bipolar transistor. The much lower on-state voltage drop varies only moderately between 25oC and 150oC. The IGBT used is th ...
... switching devices combining the best features of MOSFETs and bipolar transistors. This device has the high input impedance of a MOSFET and the low on-state conduction loss of a bipolar transistor. The much lower on-state voltage drop varies only moderately between 25oC and 150oC. The IGBT used is th ...
Amateur Radio Technician Class Element 2 Course Presentation
... A. Current (I) equals voltage (E) multiplied by resistance (R) B. Current (I) equals voltage (E) divided by resistance (R) C. Current (I) equals voltage (E) added to resistance (R) D. Current (I) equals voltage (E) minus resistance (R) ...
... A. Current (I) equals voltage (E) multiplied by resistance (R) B. Current (I) equals voltage (E) divided by resistance (R) C. Current (I) equals voltage (E) added to resistance (R) D. Current (I) equals voltage (E) minus resistance (R) ...
LT1511
... be placed with very short lead length in close proximity to SW pin and GND. BOOST (Pin 3): This pin is used to bootstrap and drive the switch power NPN transistor to a low on-voltage for low power dissipation. In normal operation, VBOOST = VCC + VBAT when switch is on. Maximum allowable VBOOST is 55 ...
... be placed with very short lead length in close proximity to SW pin and GND. BOOST (Pin 3): This pin is used to bootstrap and drive the switch power NPN transistor to a low on-voltage for low power dissipation. In normal operation, VBOOST = VCC + VBAT when switch is on. Maximum allowable VBOOST is 55 ...
CMOS Mixed Signal Design - Part I: OpAmp Design
... cascode stage, because of the paralleling of ro1 and ro3 . However, it is much higher than the single transistor output resistance. ...
... cascode stage, because of the paralleling of ro1 and ro3 . However, it is much higher than the single transistor output resistance. ...
Pdf
... V bn is plus root 3 by 2. So therefore, output voltage is V an minus V bn . It is minus root 3 by 2. So therefore, for alpha is equal to 0, output voltage varies from root 3 by 2 to minus root 3 by 2, provided, the current is continuous, remember. Provided, the current is continuous, output voltage ...
... V bn is plus root 3 by 2. So therefore, output voltage is V an minus V bn . It is minus root 3 by 2. So therefore, for alpha is equal to 0, output voltage varies from root 3 by 2 to minus root 3 by 2, provided, the current is continuous, remember. Provided, the current is continuous, output voltage ...
TPS4021x 4.5-V to 52-V Input Current Mode Boost Controller (Rev. F)
... Error amplifier inverting input. Connect a voltage divider from the output to this pin to set output voltage. Compensation network is connected between this pin and COMP. ...
... Error amplifier inverting input. Connect a voltage divider from the output to this pin to set output voltage. Compensation network is connected between this pin and COMP. ...
ADM1073 数据手册DataSheet 下载
... the power is reset. The LATCHED output signal indicates when the seven retries are complete. Further programmability is offered by allowing alteration of the default 6% ratio. An extra resistor between the TIMER pin and VEE allows the ratio of on-time to off-time to be decreased, while a resistor be ...
... the power is reset. The LATCHED output signal indicates when the seven retries are complete. Further programmability is offered by allowing alteration of the default 6% ratio. An extra resistor between the TIMER pin and VEE allows the ratio of on-time to off-time to be decreased, while a resistor be ...
DS4106/DS4212/DS4425 106.25MHz/212.5MHz/425MHz Clock Oscillators General Description
... The DS4106, DS4212, and DS4425 ceramic surfacemount crystal oscillators are part of Maxim’s DS4-XO series of crystal oscillators. These devices offer output frequencies at 106.25MHz, 212.5MHz, and 425MHz. The clock oscillators are suited for systems with tight tolerances because of the jitter, phase ...
... The DS4106, DS4212, and DS4425 ceramic surfacemount crystal oscillators are part of Maxim’s DS4-XO series of crystal oscillators. These devices offer output frequencies at 106.25MHz, 212.5MHz, and 425MHz. The clock oscillators are suited for systems with tight tolerances because of the jitter, phase ...
Heating effect of el. currents (PPT)
... Devices for which current through them is directly proportional to the potential difference across device are said to be ‘ohmic devices’ or ‘ohmic conductors’ or simply resistors. In other words the resistance stays constant as the voltage changes. There are very few devices that are trully ohmic. H ...
... Devices for which current through them is directly proportional to the potential difference across device are said to be ‘ohmic devices’ or ‘ohmic conductors’ or simply resistors. In other words the resistance stays constant as the voltage changes. There are very few devices that are trully ohmic. H ...