MAX1927/MAX1928 Low-Output-Voltage, 800mA, PWM Step-Down DC-DC Converters General Description
... PFM operation, the MAX1927/MAX1928 switch only as necessary to service the load, reducing the switching frequency and associated losses in the internal switch, synchronous rectifier, and inductor. During PFM mode, a switching cycle initiates when the error amplifier senses that the output voltage ha ...
... PFM operation, the MAX1927/MAX1928 switch only as necessary to service the load, reducing the switching frequency and associated losses in the internal switch, synchronous rectifier, and inductor. During PFM mode, a switching cycle initiates when the error amplifier senses that the output voltage ha ...
Occupancy monitor
... identi?cation comparison pulses via a feedback line 70 pancy or of a fault condition. Switch 22 is connected in to said other decimal counter 55, which delivers a coin the base return circuit of a transistor 23 and is shunted by a resistor 38. The operation of switch 22 affects the 35 cidence-checki ...
... identi?cation comparison pulses via a feedback line 70 pancy or of a fault condition. Switch 22 is connected in to said other decimal counter 55, which delivers a coin the base return circuit of a transistor 23 and is shunted by a resistor 38. The operation of switch 22 affects the 35 cidence-checki ...
TS555
... The circuit triggers on a negative-going input signal when the level reaches 1/3 VCC. Once triggered, the circuit remains in this state until the set time has elapsed, even if it is triggered again during this interval. The duration of the output HIGH state is given by t = 1.1 R x C. Since the charg ...
... The circuit triggers on a negative-going input signal when the level reaches 1/3 VCC. Once triggered, the circuit remains in this state until the set time has elapsed, even if it is triggered again during this interval. The duration of the output HIGH state is given by t = 1.1 R x C. Since the charg ...
VCO for PLL Frequency Synthesizer
... are used in radio receivers, mobile telephones, GPS systems. They are also used to generate frequencies comparable to the accuracy of a crystal oscillator. Considering the scope of this single circuit, this thesis is focused in the design of a Voltage Controlled Oscillator (VCO) that can be use in t ...
... are used in radio receivers, mobile telephones, GPS systems. They are also used to generate frequencies comparable to the accuracy of a crystal oscillator. Considering the scope of this single circuit, this thesis is focused in the design of a Voltage Controlled Oscillator (VCO) that can be use in t ...
9. lecture
... 9.9b) and the first-order diffraction (Fig. 9.9c). The intensity of the zero-order diffraction decreases in all harmonic orders following excitation and subsequently increases to a level that depends on the harmonic order. By contrast, the first-order diffraction signal (not present at negative time ...
... 9.9b) and the first-order diffraction (Fig. 9.9c). The intensity of the zero-order diffraction decreases in all harmonic orders following excitation and subsequently increases to a level that depends on the harmonic order. By contrast, the first-order diffraction signal (not present at negative time ...
MAX8855/MAX8855A Dual, 5A, 2MHz Step-Down Regulators General Description Features
... provide output voltages from 0.6V to 0.9 x VIN, making them ideal for on-board point-of-load applications. Total output error is less than ±1% over load, line, and temperature. The MAX8855/MAX8855A operate in PWM mode with a switching frequency ranging from 0.5MHz to 2MHz, set by an external resisto ...
... provide output voltages from 0.6V to 0.9 x VIN, making them ideal for on-board point-of-load applications. Total output error is less than ±1% over load, line, and temperature. The MAX8855/MAX8855A operate in PWM mode with a switching frequency ranging from 0.5MHz to 2MHz, set by an external resisto ...
Topic: High Performance Data Acquisition Systems Analog
... which is connected to the overall integral linearity of the convertor which may not relate at all to the stated resolution. Let’s take a look at why this can be the case: As we have previously discussed, there are many errors introduced by the ADC that negatively affect overall system level performa ...
... which is connected to the overall integral linearity of the convertor which may not relate at all to the stated resolution. Let’s take a look at why this can be the case: As we have previously discussed, there are many errors introduced by the ADC that negatively affect overall system level performa ...
11. High-Speed Board Layout Guidelines Introduction
... transmission line tightly to the ground plane and help decouple it from adjacent signals. Use differential routing techniques where possible, especially for critical nets (i.e., match the lengths as well as the turns that each trace goes through). If there is significant coupling, route single-ended ...
... transmission line tightly to the ground plane and help decouple it from adjacent signals. Use differential routing techniques where possible, especially for critical nets (i.e., match the lengths as well as the turns that each trace goes through). If there is significant coupling, route single-ended ...
16-Bit, 195 kSPS CMOS, AD7722 -
... Reset Logic Input. RESET is used to clear the offset and gain calibration registers. RESET is an asynchronous input. RESET allows the user to set the AD7722 to an uncalibrated state if the device had been previously calibrated. A rising edge also resets the AD7722 Σ-∆ modulator by shorting the integ ...
... Reset Logic Input. RESET is used to clear the offset and gain calibration registers. RESET is an asynchronous input. RESET allows the user to set the AD7722 to an uncalibrated state if the device had been previously calibrated. A rising edge also resets the AD7722 Σ-∆ modulator by shorting the integ ...
TPS56221 - Texas Instruments
... instantly to input voltage change. The TPS56221 is available in a thermally enhanced 22-pin PQFN (DQP) PowerPAD package. The device offers design flexibility with a variety of user programmable functions, including soft-start, overcurrent protection (OCP) levels, and loop compensation. OCP levels ar ...
... instantly to input voltage change. The TPS56221 is available in a thermally enhanced 22-pin PQFN (DQP) PowerPAD package. The device offers design flexibility with a variety of user programmable functions, including soft-start, overcurrent protection (OCP) levels, and loop compensation. OCP levels ar ...
Higher EE pupil notes (8.3MB Word)
... • state that the sum of the potential differences across the components in series is equal to the voltage of the supply. • state that the sum of the currents in parallel branches is equal to the current drawn from the supply. • state that the potential difference across components in parallel is t ...
... • state that the sum of the potential differences across the components in series is equal to the voltage of the supply. • state that the sum of the currents in parallel branches is equal to the current drawn from the supply. • state that the potential difference across components in parallel is t ...
romanian journal of physics - Romanian Reports in Physics
... feedback to data change has been highlighted [5, 6]. In the process of improving the quality of the teaching-learning paradigm, spreadsheets, as both theoretical and practical tools, constitute a big challenge for teachers and students. There are authors who plead for a large-scale utilization of sp ...
... feedback to data change has been highlighted [5, 6]. In the process of improving the quality of the teaching-learning paradigm, spreadsheets, as both theoretical and practical tools, constitute a big challenge for teachers and students. There are authors who plead for a large-scale utilization of sp ...
TLC372-EP 数据资料 dataSheet 下载
... LinCMOS products are being used in actual circuit environments that have input voltages that exceed the recommended common-mode input voltage range and activate the input protection circuit. Even under normal operation, these conditions occur during circuit power up or power down, and in many cases, ...
... LinCMOS products are being used in actual circuit environments that have input voltages that exceed the recommended common-mode input voltage range and activate the input protection circuit. Even under normal operation, these conditions occur during circuit power up or power down, and in many cases, ...
AD8009
... The AD8009 is an ultrahigh speed current feedback amplifier with a phenomenal 5,500 V/µs slew rate that results in a rise time of 545 ps, making it ideal as a pulse amplifier. The high slew rate reduces the effect of slew rate limiting and results in the large signal bandwidth of 440 MHz required fo ...
... The AD8009 is an ultrahigh speed current feedback amplifier with a phenomenal 5,500 V/µs slew rate that results in a rise time of 545 ps, making it ideal as a pulse amplifier. The high slew rate reduces the effect of slew rate limiting and results in the large signal bandwidth of 440 MHz required fo ...
Slide 1
... circuit detects a power failure in order to take an action to save data. As long as the comparator senses Vin, the output will be a dc level. Electronic Devices, 9th edition Thomas L. Floyd ...
... circuit detects a power failure in order to take an action to save data. As long as the comparator senses Vin, the output will be a dc level. Electronic Devices, 9th edition Thomas L. Floyd ...
AD8253 - Analog Devices
... It has a high bandwidth of 10 MHz, low THD of −110 dB, and fast settling time of 780 ns (maximum) to 0.001%. Offset drift and gain drift are guaranteed to 1.2 μV/°C and 10 ppm/°C, respectively, for G = 1000. In addition to its wide input common voltage range, it boasts a high common-mode rejection o ...
... It has a high bandwidth of 10 MHz, low THD of −110 dB, and fast settling time of 780 ns (maximum) to 0.001%. Offset drift and gain drift are guaranteed to 1.2 μV/°C and 10 ppm/°C, respectively, for G = 1000. In addition to its wide input common voltage range, it boasts a high common-mode rejection o ...
Vector Control Drive of Permanent Magnet Synchronous Motor Using Resolver Sensor
... used in servo-mechanical systems is generally called “brushless servomotor or brushless AC servomotor”. The power density of a PMSM is higher than one of induction motor with the same ratings due to the no stator power dedicated to the magnetic field production. Nowadays, PMSM is designed not only t ...
... used in servo-mechanical systems is generally called “brushless servomotor or brushless AC servomotor”. The power density of a PMSM is higher than one of induction motor with the same ratings due to the no stator power dedicated to the magnetic field production. Nowadays, PMSM is designed not only t ...
Analog and Digital Control of an Electronic Throttle
... Figure 2.5: Absolute Value Circuit. The output signal is always a positive voltage with the same magnitude as the input signal. The H-bridge requires a pulse-width modulation (PWM) command to switch the transistors and drive the motor at different torques. Converting the control effort signal to a P ...
... Figure 2.5: Absolute Value Circuit. The output signal is always a positive voltage with the same magnitude as the input signal. The H-bridge requires a pulse-width modulation (PWM) command to switch the transistors and drive the motor at different torques. Converting the control effort signal to a P ...
Thermovac Transmitter
... When the supply voltage is applied, the measurement signal is available between pins 2 and 3 (relationship between measurement signal and pressure ® "Technical Data"). Allow a stabilization period of at least 10 minutes. It is advisable to operate the transmitter continuously, irrespective of the pr ...
... When the supply voltage is applied, the measurement signal is available between pins 2 and 3 (relationship between measurement signal and pressure ® "Technical Data"). Allow a stabilization period of at least 10 minutes. It is advisable to operate the transmitter continuously, irrespective of the pr ...
Controller Analysis with Inverted Pendulum
... design and compared with a one dimension motion control of a pendulum reduces the number of moving parts and friction within the system, this is naturally better for the project since it makes the mathematical model easier and with less approximations. A regulator for a system can be produced in a n ...
... design and compared with a one dimension motion control of a pendulum reduces the number of moving parts and friction within the system, this is naturally better for the project since it makes the mathematical model easier and with less approximations. A regulator for a system can be produced in a n ...
Oscilloscope history
This article discusses the history and development of oscilloscope technology.