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FDPC8011S  PowerTrench Power Clip
FDPC8011S PowerTrench Power Clip

... the driver a significant distance away from the Power Clip, it would be a good practice to include a 0 Ohm resistor in the LS G path as a place holder. In the final design, if the LS G exhibits excessive LF ringing, efficiency can often be improved by changing this resistor to a few Ohms to dampen t ...
TPS60400-Q1 数据资料 dataSheet 下载
TPS60400-Q1 数据资料 dataSheet 下载

... ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them. Only three external 1-µF capacitors are required to ...
Steady-State Analysis of Single Phase A.C. Circuit
Steady-State Analysis of Single Phase A.C. Circuit

... Arsonval, Weston, iron vane, electrodynamometer) will work so long as they have been calibrated in RMS figures. Because the mechanical inertia and dampening effects of an electromechanical meter movement makes the deflection of the needle naturally proportional to the average value of the AC, not th ...
TPS6040x - Unregulated 60-mA Charge Pump
TPS6040x - Unregulated 60-mA Charge Pump

... The TPS60400, TPS60401 charge pumps invert the voltage applied to their input. For the highest performance, use low equivalent series resistance (ESR) capacitors (for example, ceramic). During the first half-cycle, switches S2 and S4 open, switches S1 and S3 close, and capacitor (C(fly)) charges to ...
MAX5038/MAX5041 Dual-Phase, Parallelable, Average Current
MAX5038/MAX5041 Dual-Phase, Parallelable, Average Current

... provide high-output-current capability in a compact package with a minimum number of external components. The MAX5038/MAX5041 utilize a dual-phase, average current-mode control that enables optimal use of low RDS(ON) MOSFETs, eliminating the need for external heatsinks even when delivering high outp ...
Electrical Engineering and Control System Lab
Electrical Engineering and Control System Lab

... 3. Here the transformer is used in step down configuration. The supply is given to low voltage winding and the load is connected to high voltage winding. 4. The DPSTs2 is kept open and the transformer primary is energised by closing switch S1the output of variac is increased to rated voltage 115V. 5 ...
Low-Cost Multichemistry Battery Chargers General Description Features
Low-Cost Multichemistry Battery Chargers General Description Features

... simplify the construction of accurate and efficient chargers. These devices use analog inputs to control charge current and voltage, and can be programmed by the host or hardwired. The MAX1908/MAX8724/MAX8765/ MAX8765A achieve high efficiency using a buck topology with synchronous rectification. The ...
LM5067 Negative Hot Swap / Inrush Current Controller with Power
LM5067 Negative Hot Swap / Inrush Current Controller with Power

... The system voltage range of the LM5067 is -9V to -80V, with a transient capability to -100V. Referring to the Block Diagram, Figure 4, and Figure 6, as the system voltage (VSYS) initially increases from zero, the external Nchannel MOSFET (Q1) is held off by an internal 110 mA pull-down current at th ...
LM1117/LM1117I 800mA Low-Dropout Linear Regulator (Rev. N)
LM1117/LM1117I 800mA Low-Dropout Linear Regulator (Rev. N)

... The LM1117 adjustable version develops a 1.25V reference voltage, VREF, between the output and the adjust terminal. As shown in Figure 10, this voltage is applied across resistor R1 to generate a constant current I1. The current IADJ from the adjust terminal could introduce error to the output. But ...
lab 13 - building an ammeter and voltmeter
lab 13 - building an ammeter and voltmeter

... Figure 5 - Circuit diagram for "voltmeter" across the 220-ohm resistor 1. Prepare circuit. Start with about 100 ohms on the circuit decade resistance box. Connect the Multi meter leads across the 220-ohm resistor. We can use the ULI to record the actual voltage across the 220ohm resistor, and we can ...
HMC807LP6CE
HMC807LP6CE

... The HMC807LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an Integrated Voltage Controlled Oscillator (VCO). The input reference frequency range is 100 kHz to 220 MHz while the advanced delta-sigma modulator design in the fractional synthesizer allows both ...
ADC0802, ADC0803 ADC0804
ADC0802, ADC0803 ADC0804

... and inputs a “1” to the D flip-flop, DFF1, which is at the input end of the 8-bit shift register. Internal clock signals then transfer this “1” to the Q output of DFF1. The AND gate, G1, combines this “1” output with a clock signal to provide a reset signal to the start F/F. If the set signal is no ...
LP3869x-ADJ/Q1 500-mA Low-Dropout CMOS
LP3869x-ADJ/Q1 500-mA Low-Dropout CMOS

Electronically Tunable SIMO Mixed
Electronically Tunable SIMO Mixed

MAX17528 1-Phase Quick-PWM Intel IMVP-6.5/GMCH Controllers General Description
MAX17528 1-Phase Quick-PWM Intel IMVP-6.5/GMCH Controllers General Description

... VCC, VDD to GND .....................................................-0.3V to +6V D0–D6 to GND..........................................................-0.3V to +6V CSP, CSN to GND ....................................................-0.3V to +6V ILIM, THRM, PGDIN, VRHOT, PWRGD to GND .......-0.3V to ...
UCC28070 数据资料 dataSheet 下载
UCC28070 数据资料 dataSheet 下载

Analysis of the contact resistance in staggered, top
Analysis of the contact resistance in staggered, top

3+1 Voltage Regulator for IMVP-7/VR12™ CPUs
3+1 Voltage Regulator for IMVP-7/VR12™ CPUs

... Features ...
BQ24750A 数据资料 dataSheet 下载
BQ24750A 数据资料 dataSheet 下载

... The bq24750A charges two, three, or four series Li+ cells, supporting up to 10 A of charge current, and is available in a 28-pin, 5x5-mm QFN package. The bq24750A controls external switches to prevent battery discharge back to the input, connect the adapter to the system, and to connect the battery ...
SIMULATION OF THREE, FIVE, SEVEN, NINE, ELEVEN, THIRTEEN
SIMULATION OF THREE, FIVE, SEVEN, NINE, ELEVEN, THIRTEEN

12.2 switched-capacitor circuits
12.2 switched-capacitor circuits

... linearity errors for input codes of 001, 011, 100, and 110. The overall linearity error for the DAC is specified as the magnitude of the largest error that occurs. Hence this converter will be specified as having a linearity error of either 0.5 LSB or 6.25 percent of full-scale voltage. A good conve ...
ADC0802, ADC0803 ADC0804
ADC0802, ADC0803 ADC0804

... and inputs a “1” to the D flip-flop, DFF1, which is at the input end of the 8-bit shift register. Internal clock signals then transfer this “1” to the Q output of DFF1. The AND gate, G1, combines this “1” output with a clock signal to provide a reset signal to the start F/F. If the set signal is no ...
MAX1703 1-Cell to 3-Cell, High-Power (1.5A), Low-Noise, Step-Up DC-DC Converter ________________General Description
MAX1703 1-Cell to 3-Cell, High-Power (1.5A), Low-Noise, Step-Up DC-DC Converter ________________General Description

... uncommitted comparator (POK) for monitoring the regulator’s output or battery voltage. The MAX1703 also includes a gain block that can be used to build a linear regulator using an external P-channel MOSFET pass device; this gain block can also function as a second comparator. A CLK input allows freq ...
STPMS2
STPMS2

Eddy current transducers
Eddy current transducers

... in FIG 6 comprises a coil former on to which three coils are wound.  The primary coil is excited with an AC current, the secondary coils are wound such that when a ferrite core is in the central linear position, an equal voltage is induced in to each coil.  The secondary are connected in opposite ...
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Josephson voltage standard



A Josephson voltage standard is a complex system that uses a superconductive integrated circuit chip operating at 4 K to generate stable voltages that depend only on an applied frequency and fundamental constants. It is an intrinsic standard in the sense that it does not depend on any physical artifact. It is the most accurate method to generate or measure voltage and, by international agreement, is the basis for voltage standards around the World.
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