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HANDHELD DIGITAL MULTIMETER MS8268 OPERATOR`S
HANDHELD DIGITAL MULTIMETER MS8268 OPERATOR`S

MAX5541 Low-Cost, +5V, Serial-Input, Voltage-Output, 16-Bit DAC General Description
MAX5541 Low-Cost, +5V, Serial-Input, Voltage-Output, 16-Bit DAC General Description

... Since this converter is designed as an inverted R-2R voltage-mode DAC, the input resistance seen by the voltage reference is code dependent. The worst-case input-resistance variation is from 11.5kΩ (at code 8555 hex) to 200kΩ (at code 0000 hex). The maximum change in load current for a 2.5V referenc ...
Lecture_10_BJT
Lecture_10_BJT

...  Continue BJT analysis with AC signal ...
ISSN: 0975-766X CODEN - International Journal of Pharmacy and
ISSN: 0975-766X CODEN - International Journal of Pharmacy and

... The diode-clamped inverter provides multiple voltage levels through connection of the phases to a series bank of capacitors. According to the original invention [2], the concept can be extended to any number of levels by increasing the number of capacitors. Early descriptions of this topology were l ...
Improved Power Quality AC/DC Converters
Improved Power Quality AC/DC Converters

DAC2902 数据资料 dataSheet 下载
DAC2902 数据资料 dataSheet 下载

... The architecture of the DAC2902 uses the current steering technique to enable fast switching and a high update rate. The core element within the monolithic DAC is an array of segmented current sources that are designed to deliver a fullscale output current of up to 20mA, as shown in Figure 1. An int ...
MWPR1516 16 KB Flash - Freescale Semiconductor
MWPR1516 16 KB Flash - Freescale Semiconductor

... 1. Typical values are measured at 25 °C. Characterized, not tested. 2. The specified resistor value is the actual value internal to the device. The pullup value may appear higher when measured externally on the pin. 3. This item applies to the GPIO share pads only. 4. All functional non-supply pins, ...
Fault Management Circuit
Fault Management Circuit

... Applications Engineering: 800 927.9474 ...
LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO Regulators
LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO Regulators

... 340mV. Operating quiescent current is 1mA, dropping to < 1µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sens ...
BUFFER 426 is 520
BUFFER 426 is 520

... the higher applied voltage. Therefore, When the applied voltage is loWer than the coercive voltage +Vc, reversal data from data “0” to “1” cannot be Written into the capacitor. Similarly, reversal data from data “1” to “0” cannot be ...
TLC254, TLC254A, TLC254B, TLC254Y, TLC25L4, TLC25L4A, TLC25L4B
TLC254, TLC254A, TLC254B, TLC254Y, TLC25L4, TLC25L4A, TLC25L4B

... common-mode range extends to the negative rail and the power consumption is extremely low, this series is ideally suited for battery-powered or energy-conserving applications. The series offers operation down to a 1.4-V supply, is stable at unity gain, and has excellent noise characteristics. These ...
MAX15569 2-Phase/1-Phase QuickTune-PWM Controller with Serial I C Interface
MAX15569 2-Phase/1-Phase QuickTune-PWM Controller with Serial I C Interface

... Note 2: The equation for the target voltage VTARGET is: VTARGET = the output of slew control DAC, where VDAC = 0V for shutdown, VDAC = VBOOT during startup; otherwise VDAC = SETVOUT. The output voltages for all possible codes are given in Table 3. Note 3: On-time and minimum off-time specification ...
Orderly power-up of XC87x and XC85x devices
Orderly power-up of XC87x and XC85x devices

... The normal situation, where power is applied to the application and it stays on for a long period, is not a problem providing that all inputs to the device are kept within the VDDP limits. An example scenario is pictured in Figure 3 (‘Bad Practice’) and Figure 4 (‘Good Practice’), where there is an ...
Atmel MSL3080 8 String 60mA LED Drivers with Integrated Boost Controller FULL DATASHEET
Atmel MSL3080 8 String 60mA LED Drivers with Integrated Boost Controller FULL DATASHEET

... of LED power. The MSL3080 has eight current sinks. Parallel connect the current sinks for increased string current. A single resistor sets LED current, with string matching and accuracy within ±3%. The advanced integrated PWM circuitry allows up to 4095:1 dimming, and offers simple PWM dimming contr ...
MAX1823/MAX1823A/MAX1823B/MAX1823H Dual USB Switch with Fault Blanking and Autoreset General Description
MAX1823/MAX1823A/MAX1823B/MAX1823H Dual USB Switch with Fault Blanking and Autoreset General Description

... Power Input. Connect all IN_ pins together, and bypass with a 0.1µF capacitor to ground. Load conditions may require additional bulk capacitance to prevent the input from being pulled down. ...
AP3598A Description A Product Line of
AP3598A Description A Product Line of

... The output voltage is precisely regulated to the reference input that is dynamically adjustable by external voltage divider. The adjustable current balance is achieved by RDS(ON) current sensing technique. The AP3598A features comprehensive protection functions including over current protection, inp ...
MAX1298/MAX1299 12-Bit Serial-Output Temperature Sensors with 5-Channel ADC General Description
MAX1298/MAX1299 12-Bit Serial-Output Temperature Sensors with 5-Channel ADC General Description

... The MAX1298/MAX1299 also perform fully differential voltage measurements with 12-bit resolution and separate track-and-hold (T/H) for positive and negative inputs. Both devices accept versatile input modes consisting of two 3-channel signal pairs, five 1-channel signals relative to an AIN5, or VDD/4 ...
Document
Document

... bidirectional AC currents in a voltage source configuration requires two antiparallel semiconductor switches, one for each current direction. The half-bridge circuit Figure 4-5, a basic building block of voltage source DC-to-AC converters, satisfies this requirement. It consists of two bidirectional ...
EE 1332833
EE 1332833

... to a transformer indicating its suitability for use with loads that draw non-sinusoidal currents. It is an index that determines the changes in conventional transformers must undergo so that they can dissipate heat due to additional iron and copper losses because of harmonic currents at rated power. ...
RC Circuits 2.0
RC Circuits 2.0

MAX17582 Dual-Phase, Quick-PWM Controller for IMVP-6.5 CPU Core Power Supplies General Description
MAX17582 Dual-Phase, Quick-PWM Controller for IMVP-6.5 CPU Core Power Supplies General Description

... Operating Temperature Range .........................-40°C to +105°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +165°C Lead Temperature (soldering, 10s) .................................+300°C ...
TTL to RS232 adaptor Explained
TTL to RS232 adaptor Explained

... RS232 to TTL This is a simple transistor switch which is turned on when the TX output goes positive. Fully explaining how a transistor works is beyond the scope of this short article but I am sure you can learn more on the net. I will say that the NPN transistor, Q2, used here turns on when it’s bas ...
ECE 340, Univ. Illinois Urbana
ECE 340, Univ. Illinois Urbana

Transient Overvoltage Protection
Transient Overvoltage Protection

... All electrical and electronic devices can be damaged by voltage transients. The difference between them is the amount of energy they can absorb before damage occurs. Because many modern semiconductor devices, such as low voltage MOSFETs and integrated circuits can be damaged by disturbances that exc ...
L38to40_BJT
L38to40_BJT

... hose. How many terminals? ____________.  Why is the water faucet/hose analogy particularly useful for sub-100 nm transistors today? _________________. ...
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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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