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Action PAK® AP6380
Action PAK® AP6380

... the set input full scale range. If this continues to occur, you may wish to change your full scale input range setting. Configuration The AP6380 can be set for a wide variety of full scale input ranges. The factory pre-sets the AP6380 with an input range of 0-500mV AC (SW1 & W2) and an output range ...
DAC0808 8-Bit D/A Converter 8-Bit D/A
DAC0808 8-Bit D/A Converter 8-Bit D/A

SGM9127 4-Channel, 5th-Order, Standard Definition Video Filter
SGM9127 4-Channel, 5th-Order, Standard Definition Video Filter

... television and set-top box applications. SGM9127 offers 6dB gain rail-to-rail output driver and 5th-order output reconstruction filter on all four channels. It has 8MHz -3dB bandwidth and 35V/µs slew rate. SGM9127 provides improved image quality compared with passive LC filters and discrete drivers ...
AJ Pikul (EE) - ECE Senior Design
AJ Pikul (EE) - ECE Senior Design

... has some unwanted resistance from MOSFETs that would cause voltage drops we could not ignore since we are using very small resistances. The parallel setup has a low impedance so it will drop less voltage which is useful to us. Within the parallel setup we can either use one op-amp over the whole cir ...
a temperature insensitive switched-capacitor current
a temperature insensitive switched-capacitor current

... voltage reference) across a resistor. The resistor is either integrated on-chip or may be supplied off-chip for improved control over temperature characteristics. However, both cases have drawbacks. On-chip resistors typically exhibit large temperature dependence while off-chip resistors are often n ...
LED Driver Xitanium SR 40W 0.10-1.1A 54V SR XI040C110V054VPT1
LED Driver Xitanium SR 40W 0.10-1.1A 54V SR XI040C110V054VPT1

... fixtures used in wireless connected lighting systems. It features a standard digital interface to enable direct connection to any suitable RF sensor on the market. Functionality is integrated into the SR driver that ordinarily would require additional auxiliary components. The result is a simpler, l ...
Chapter 2 - Basic Op-Amp Circuits
Chapter 2 - Basic Op-Amp Circuits

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412 Laboratory_1

... Q6: Is this measurement different from that of step 3? Can this difference be explained using the equivalent linear circuit? 9. Build an identical amplifier to the first, and create a new amplifier by cascading the two amps together, as shown below: 1K ...
ADR512 数据手册DataSheet 下载
ADR512 数据手册DataSheet 下载

... The ADR512, combined with a precision low input bias op amp such as the AD8610, can be used to output a precise adjustable voltage. Figure 2 illustrates the implementation of this application using the ADR512. The output of the op amp, VOUT, is determined by the gain of the circuit, which is complet ...
Ohm`s Law (and Circuit Theory) Tutorial
Ohm`s Law (and Circuit Theory) Tutorial

Test Procedure for the NCL30051LEDGEVB Evaluation Board
Test Procedure for the NCL30051LEDGEVB Evaluation Board

... 4. An electronic load capable of up to 55V and 1 amp load. It will be necessary to have it operate in a resistive mode only up to at least 500 ohms. This type of load may be problematic when testing in the PWM dimming function. Electronic loads are not well suited for testing this mode because a loa ...
Audio PreAmp ICs
Audio PreAmp ICs

... short-circuit protection by limiting output current to 12 mA. The bias network gives 120 dB of supply-signal rejection, and includes the high-impedance constant-current generator Ql I-Q12-Q13, which generates ripple-free reference voltage across D3. That reference voltage operates the first two stag ...
Inverting Amplifier
Inverting Amplifier

... • Although you would zero voltage, there is actually an error voltage present at its output. • What causes this error? You can trace the error back to a number of unbalances in the op amp's internal transistors and resistors. To account for this in a circuit design, the net error is modeled as an of ...
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... their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. TI does not warrant or represent that any license, either express or implied, is granted under any TI pate ...
KSC233 4 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings
KSC233 4 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings

... device or system whose failure to perform can be or (b) support or sustain life, or (c) whose failure to perform reasonably expected to cause the failure of the life support when properly used in accordance with instructions for use device or system, or to affect its safety or effectiveness. provide ...
IR2175(S) - Infineon
IR2175(S) - Infineon

... Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time of PWM (Duty) at the same time. Since both periods vary in the same direction, computing the ratio between these values at each PWM period gives consistent measurement of the current fee ...
AD8560 16 V Rail-to-Rail Buffer Amplifier Data
AD8560 16 V Rail-to-Rail Buffer Amplifier Data

... of the fault current. When the input voltage exceeds either supply by more than 0.6 V, internal pin junctions will allow current to flow from the input to the supplies. This input current is not inherently damaging to the device as long as it is limited to 5 mA or less. If a condition exists using t ...
Trench Field-Stop IGBT3 Turn-Off
Trench Field-Stop IGBT3 Turn-Off

... similar to loading a capacitor by a constant current. This leads to the equivalent circuit of Figure 2, which represents the switching of a Trench-Fieldstop IGBT by the output characteristics to describe the static characteristics, a collector-gate voltage dependent capacitance a con-stant gate emit ...
Electrical Circuits
Electrical Circuits

Exercise 1:
Exercise 1:

... calculate the current passing through the LED and the voltage drop across the LED in both ambient light and dark. Show your work below. LED in Dark: Current:_______________________ Voltage:_______________________ ...
Exercise 5
Exercise 5

... light and dark. Show your work below. LED in Ambient Light: LED in Dark: Current:_______________________ Voltage:_______________________ ...
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BDTIC Adjustable Linear Low Dropout LED Driver TLE4309

... Suitable for applications up to 85 °C ambient temperature. Green Product (RoHS compliant) ...
– Simple turn-off description of Trench- Field-stop IGBT IGBT
– Simple turn-off description of Trench- Field-stop IGBT IGBT

... A further stored charge influence on the switching behavior can be shown by variation of the gate turn-off resistance. Fig. 5 illustrates the turn-off under different gate resistors. For gate resistors ranging from 1 to 30 Ohm, the dV/dt of the collector voltage is constant. The dV/dt is intrinsical ...
Passive-Optical Person Detector
Passive-Optical Person Detector

... will therefore even work in a darkened room. Gradual changes in illumination are ignored, while rapid changes are greeted with an acoustic alarm. However, direct sunlight is not good for the sensitivity of the circuit: it is better to use indirect lighting, reflected from other objects in the enviro ...
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Wilson current mirror



A Wilson current mirror is a three-terminal circuit (Fig. 1) that accepts an input current at the input terminal and provides a ""mirrored"" current source or sink output at the output terminal. The mirrored current is a precise copy of the input current. It may be used as a Wilson current source by applying a constant bias current to the input branch as in Fig. 2. The circuit is named after George R. Wilson, an integrated circuit design engineer who worked for Tektronix. Wilson devised this configuration in 1967 when he and Barrie Gilbert challenged each other to find an improved current mirror overnight that would use only three transistors. Wilson won the challenge.
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