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Micropower Electrochemical Gas Sensor
Micropower Electrochemical Gas Sensor

RF6590 POWER MANAGEMENT IC Features
RF6590 POWER MANAGEMENT IC Features

... • SPI logic voltage should not exceed 1.8 volts (Output 2 supply) during operation. • Do not exceed listed currents in CLK mode, otherwise the Output voltage will fall out of regulation. • Register 0 must be restored by the controller, whenever the mode enters TRX mode. All registers should be consi ...
15A Advanced Power Conditioner
15A Advanced Power Conditioner

... Power Sequencing is useful whenever various kinds of equipment must be powered up or down in groups, rather than all simultaneously. In audio systems, sequenced powering is often necessary to allow turn-on transients from low level amplifiers and processors to settle down before any power amps are t ...
A novel direct torque control (DTC) method
A novel direct torque control (DTC) method

meterman 37xr
meterman 37xr

... the Function/Range Switch has not changed position in the last 30 minutes. To wake the meter turn it off and then on. The Auto Power Off feature can be disabled to keep the meter from going to sleep. This feature is useful when using the MIN MAX mode for extended periods. To disable the Auto Power O ...
Lecture 19: CMOS Operational Amplifiers
Lecture 19: CMOS Operational Amplifiers

... interesting and useful operations with op amps. Now, we will take all that we have learned about circuits and devices to see how operational amplifiers themselves are built. In this lecture, we will focus on building CMOS op amps. S&S has much more detail in terms of building operational amplifiers ...
Understanding NEC 409 & UL 508A Short Circuit Ratings
Understanding NEC 409 & UL 508A Short Circuit Ratings

... short-circuit current rating on the line side of the circuit breaker shall be one of the following: a) The short-circuit current rating of the feeder circuit breaker when all of the components in the branch circuit have a shortcircuit current rating not less than the published peak letthrough curren ...
B. Hekmatshoar, A. Z. Kattamis, K. Cherenack, S. Wagner and J. C. Sturm, "Novel Amorphous-Si AMOLED Pixels with OLED-independent Turn-on Voltage and Driving Current," Device Research Conference, Chicago, IL, May 2007.
B. Hekmatshoar, A. Z. Kattamis, K. Cherenack, S. Wagner and J. C. Sturm, "Novel Amorphous-Si AMOLED Pixels with OLED-independent Turn-on Voltage and Driving Current," Device Research Conference, Chicago, IL, May 2007.

... conventional “bottom-anode (ITO)” OLED’s, only p-channel devices allow the direct programming of the FET gatesource voltage (and thus the driving current) independent of the OLED I-V curve (Fig. 1(a)). This excludes the use of low-cost amorphous-Si (a-Si) TFT technology (as used in AMLCD’s) because ...
A review of voltage dip mitigation techniques with distributed
A review of voltage dip mitigation techniques with distributed

Start of pump systems
Start of pump systems

... The torque characteristics for a centrifugal pump are well suited for start against filled systems. The power consumption is low for low flows and increases with the flow. See power curve in fig 3.2. The pressure head during pump acceleration will not follow the system curve due to the inertia in th ...
UCC2742x Dual 4-A High Speed Low-Side
UCC2742x Dual 4-A High Speed Low-Side

TJA1050
TJA1050

... The high-speed mode is the normal operating mode and is selected by connecting pin S to ground. It is the default mode if pin S is not connected. However, to ensure EMI performance in applications using only the high-speed mode, it is recommended that pin S is connected to ground. In the silent mode ...
Title Reference Design Report for a 150 W Power Factor Corrected
Title Reference Design Report for a 150 W Power Factor Corrected

... capacitors C1 and C2 only when the AC input voltage is not present, eliminating the static power loss of resistors R1, R3, R50, and R51. 4.1.1 EMI Filtering Capacitors C3 and C4 are used to control common mode noise. Inductor L1 controls EMI at low and mid-band (~10 MHz) frequencies. Capacitors C1 a ...
AN-2134 LMZ13610/8/6 and LMZ12010/8/6
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... The LMZ13610/8/6 and LMZ12010/8/6 SIMPLE SWITCHER® power modules are easy-to-use DC-DC solution capable of driving up to a 10, 8 or 6 ampere load. They are available in an innovative package that enhances thermal performance and allows for hand or machine soldering. The LMZ13610/8/6 can accept an in ...
ZXLD1356/ ZXLD1356Q Description Pin Assignments
ZXLD1356/ ZXLD1356Q Description Pin Assignments

... internal regulator and the output switch are turned off. The voltage reference remains powered during shutdown to provide the bias current for the shutdown circuit. Quiescent supply current during shutdown is nominally 60µA and switch leakage is below 5µA. ...
SP2209E 数据资料DataSheet下载
SP2209E 数据资料DataSheet下载

... The rugged, high ESD SP2209E device is a complete dual RS-232 port integrated onto a single integrated circuit. Six drivers and ten receivers provide designers a dual port solution fully meeting the EIA/TIA-232 and ITU-T V.28/V.24 communication protocols and can be implemented in applications such a ...
MAX8791/MAX8791B Single-Phase, Synchronous MOSFET Drivers General Description Features
MAX8791/MAX8791B Single-Phase, Synchronous MOSFET Drivers General Description Features

... modulation (PFM) takes place at light loads. A zerocrossing comparator truncates the low-side switch ontime at the inductor current’s zero crossing. The comparator senses the voltage across LX and GND. Once VLX - VGND drops below the zero-crossing comparator threshold (see the Electrical Characteris ...
OPAx835 Ultra-Low-Power, Rail-to-Rail Out, Negative Rail In, VFB
OPAx835 Ultra-Low-Power, Rail-to-Rail Out, Negative Rail In, VFB

... consumption and high-frequency performance of the OPA835 and OPA2835 devices offers performance versus power that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 μA, these devices offer an attractive solution for high-frequency amplifiers in batterypo ...
25471_energy_conversion_22
25471_energy_conversion_22

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charging systems

... • Check the rotor for an open circuit by measuring for resistance between the slip rings. Some resistance (less than 5 ohms) indicates continuity. If there is no continuity (infinite resistance), replace the rotor. • Check the rotor for grounded circuits by measuring for resistance between the rotor ...
lesson 1
lesson 1

MAX5222 Dual, 8-Bit, Voltage-Output Serial DAC in 8-Pin SOT23 General Description
MAX5222 Dual, 8-Bit, Voltage-Output Serial DAC in 8-Pin SOT23 General Description

... ground available. Bypass VDD with a 0.1µF to 0.22µF capacitor to GND. The reference input can be used without bypassing. For optimum line/load-transient response and noise performance, bypass the reference input with 0.1µF to 4.7µF to GND. Careful PC board layout minimizes crosstalk among DAC output ...
EE101 Labs and ECEbot Assembly/Testing Instructions
EE101 Labs and ECEbot Assembly/Testing Instructions

... of charge is known as an electrical current. A circuit has to be in the form of a loop since the electrical current exiting the power source must exactly balance the electrical current returning to the power source. The dry cell battery is a well-known example of an electrical power source. The batt ...
Evaluates:  MAX16823 MAX16823 Evaluation Kit General Description Features
Evaluates: MAX16823 MAX16823 Evaluation Kit General Description Features

... Input-Voltage Consideration ...
MAX3316–MAX3319 2.5V, 1µA, 460kbps, RS-232-Compatible Transceivers General Description
MAX3316–MAX3319 2.5V, 1µA, 460kbps, RS-232-Compatible Transceivers General Description

... low-dropout transmitter output stage enabling RS-232compatible performance from +2.25V to +3.0V with a dual-charge pump. These devices require only four 0.1µF capacitors, and are guaranteed to operate at data rates up to 460kbps. The MAX3318/MAX3319 achieve a 1µA supply current using Maxim’s revolut ...
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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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