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DAC5662A 数据资料 dataSheet 下载
DAC5662A 数据资料 dataSheet 下载

... Operating with update rates of up to 275 MSPS, the DAC5662A offers exceptional dynamic performance and tight-gain and offset matching, characteristics that make it suitable in either I/Q baseband or direct IF communication applications. Each DAC has a high-impedance differential current output, suit ...
Lecture 2: Resistors and Capacitors Capacitance:
Lecture 2: Resistors and Capacitors Capacitance:

TPS40180 Single Phase Stackable Controller
TPS40180 Single Phase Stackable Controller

Title Experiment using variable reactor of rectifier type
Title Experiment using variable reactor of rectifier type

Evaluates:  MAX8819A–MAX8819D MAX8819A Evaluation Kit General Description Features
Evaluates: MAX8819A–MAX8819D MAX8819A Evaluation Kit General Description Features

... The MAX8819A evaluation kit (EV kit) is a fully assembled and tested PCB for evaluating the MAX8819A power-management IC (PMIC). The MAX8819A PMIC is ideal for use in MP3 players and other handheld applications. In addition to the three step-down converters and WLED driver, the MAX8819A integrates a ...
Lesson-5 Electronic Theory
Lesson-5 Electronic Theory

Chap5
Chap5

... Fig. 5.54 Small-signal equivalent circuit of the depletion-load amplifier of Fig. 5.43 (a), incorporating the body effect of Q2. ...
Electric review
Electric review

... Recall from an earlier chapter that the battery has a potential difference, or voltage, across its ends. One end of the battery is positive, and the other end is negative. We say that the movement of positive charge from the positive end of the battery through the circuit to the negative end of the ...
AN1316 Frequency Output Conversion for MPX2000 Series
AN1316 Frequency Output Conversion for MPX2000 Series

... sensors are temperature compensated and calibrated - i.e., offset and full-scale span are precision trimmed - pressure transducers. These sensors are available in full-scale pressure ranges from 10 kPa (1.5 psi) to 200 kPa (30 psi). Although the specifications in the data sheets apply only to a 10 V ...
Physics notes - Electricity
Physics notes - Electricity

L6565 quasi-resonant controller
L6565 quasi-resonant controller

... saturation are not possible. Moreover, as during a short circuit the demagnetization voltage is very low, the system will be led to work at a very low frequency, with a very small duty cycle. As a result, the power that the converter will be able to carry is very low. Additionally, QR approach makes ...
LM358-N 数据资料 dataSheet 下载
LM358-N 数据资料 dataSheet 下载

... Note 1: For operating at high temperatures, the LM358/LM358A, LM2904 must be derated based on a +125˚C maximum junction temperature and a thermal resistance of 120˚C/W for MDIP, 182˚C/W for Metal Can, 189˚C/W for Small Outline package, and 230˚C/W for micro SMD, which applies for the device soldered ...
isl88731 - ISL88731 - SMBus Level 2 Battery Charger With Remote
isl88731 - ISL88731 - SMBus Level 2 Battery Charger With Remote

OPA3691 Triple Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable FEATURES
OPA3691 Triple Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable FEATURES

... delivers a high output current with minimal voltage headroom and crossover distortion. This gives exceptional singlesupply operation. Using a single +5V supply, the OPA3691 can deliver a 1V to 4V output swing with over 120mA drive current and 150MHz bandwidth. This combination of features makes the ...
Current Sharing in Multiphase Interleaved Converters by Means of
Current Sharing in Multiphase Interleaved Converters by Means of

... presented in which a current sensor is switched between the different phases. Due to the additional switches, the component number increases considerably. In [7], a master slave method is developed. All slave phases have to be operated in discontinuous current mode there, thus it cannot be implement ...
LMV321/358/324 Single/Dual/Quad Gen Purpose, Low V, R-to
LMV321/358/324 Single/Dual/Quad Gen Purpose, Low V, R-to

Advanced Digital Temperature Controller E5CN
Advanced Digital Temperature Controller E5CN

0.5 – 6 GHz Low Noise GaAs MMIC Amplifier Technical Data MGA-86563
0.5 – 6 GHz Low Noise GaAs MMIC Amplifier Technical Data MGA-86563

... matching circuit to the output will increase the gain and output power by 0.5 to 1.5 dB. The output matching circuit will not effect the noise figure. A small value resistor placed in series with the Vdd line may be useful to “de-Q” the bias circuit. Typical values of R1 are in the 10 Ω to 100 Ω ran ...
Mini Go internal card 02` 8366103 Contents 1. General Specification
Mini Go internal card 02` 8366103 Contents 1. General Specification

... P8 SNMPSIG NetAgent card plug in detect, connect to PIN 10 P9 GND GND Ground PIN P10 SNMPSIG NetAgent card plug in detect, connect to PIN 8 P11 RS232_DCD Input +/-3V to +/-15V for RS232 P12 RS232_DTR Output +5.5V and -5.5V for RS232 P13 RS232_DSR Input +/-3V to +/-15V for RS232 P14 RS232_RTS Output ...
Determination of the output characteristics of electron tube generators
Determination of the output characteristics of electron tube generators

... The first quantitative measurements that must be made upon a tube are measmrements of the plate and grid currents which flow when different plate and grid voltages are applied to the tube. It is evident from the arrangement of the output circuit. Fig. 2, that i^p and i%, the instantaneous values of ...
71M6513 Neutral Current Measurement
71M6513 Neutral Current Measurement

... 2. The analog data measured is referenced to the VBIAS pin (pin 81). 3. Analog input V3 data can be read using the MUX_ALT mode bit in the I/O memory. 4. The TERIDIAN Demo Code revision 3.04 accesses the MUX_ALT mode once a second. 5. To acquire Neutral Current with a higher number of samples the ex ...
RS-485 Transceivers with Low-Voltage Logic Interface General Description Features
RS-485 Transceivers with Low-Voltage Logic Interface General Description Features

... tSHDN ...
Electricity 1
Electricity 1

... One of the most important facts to be aware of in relation to a receptor is the amount of voltage it needs in order to function. All devices that use electricity have a small plate or label, known as the specifications plate, which provides all of their electrical characteristics. In addition to oth ...
BAND GAP DETERMINATION
BAND GAP DETERMINATION

Negative-Sequence Impedance Directional Element
Negative-Sequence Impedance Directional Element

< 1 ... 316 317 318 319 320 321 322 323 324 ... 984 >

Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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