Scanning tunneling microscopy
... to the supporting tubes, the sample holder may be rotated. This rotation is of course very small. However, if the driving voltages are applied in a sequence of slow rotations in one direction alternated by fast rotations in the opposite direction, the inertia of the sample holder will prevent it fro ...
... to the supporting tubes, the sample holder may be rotated. This rotation is of course very small. However, if the driving voltages are applied in a sequence of slow rotations in one direction alternated by fast rotations in the opposite direction, the inertia of the sample holder will prevent it fro ...
PDF: 1.47MB
... became possible to decrease the thermal resistance between junction and case Rth(j-c) substantially. And also it incorporates Mitsubishi's latest power chips CSTBT. So that despite its mounting area decreases to 75%, it realized higher current rating up to 50A. (2) Changing the method of short circu ...
... became possible to decrease the thermal resistance between junction and case Rth(j-c) substantially. And also it incorporates Mitsubishi's latest power chips CSTBT. So that despite its mounting area decreases to 75%, it realized higher current rating up to 50A. (2) Changing the method of short circu ...
VISHAY IRFD9 datasheet
... design archieve very low on-state resistance combined with high transconductance and extreme device ruggedness. The 4 pin DIP package is a low cost machine-insertable case style which can be stacked in multiple combinations on standard 0.1" pin centers. The dual drain serves as a thermal link to the ...
... design archieve very low on-state resistance combined with high transconductance and extreme device ruggedness. The 4 pin DIP package is a low cost machine-insertable case style which can be stacked in multiple combinations on standard 0.1" pin centers. The dual drain serves as a thermal link to the ...
LM723/LM723C Voltage Regulator (Rev. C)
... Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been de ...
... Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been de ...
Audio preamplifier vvith no t.i.d. - Keith
... standard value (30,47 or 100kg). The required collector current in the first amplification stage is set by R3. A bias circuit with fixed base current (rarely used) was selected mainly on the basis that the input resistance of the first ...
... standard value (30,47 or 100kg). The required collector current in the first amplification stage is set by R3. A bias circuit with fixed base current (rarely used) was selected mainly on the basis that the input resistance of the first ...
MAX5902/MAX5903 +72V, SOT23/TDFN, Simple Swapper Hot-Swap Controllers General Description
... protection. During startup the circuit-breaker function is disabled and the MAX5902/MAX5903 limit the inrush current by gradually turning on the external MOSFET. Once the external MOSFET is fully enhanced, the circuit-breaker function is enabled and the MAX5902/MAX5903 provide overcurrent protection ...
... protection. During startup the circuit-breaker function is disabled and the MAX5902/MAX5903 limit the inrush current by gradually turning on the external MOSFET. Once the external MOSFET is fully enhanced, the circuit-breaker function is enabled and the MAX5902/MAX5903 provide overcurrent protection ...
ee6401 electrical machines-i
... considered to be of infinite permeability. The motion of the plunger is constrained such that its position is limitedto 0 £ x £ w . There are two windings on this magnetic circuit. The first has N1 turns and carries a constant dc current I0. The second, which has N2 turns, is open-circuited and can ...
... considered to be of infinite permeability. The motion of the plunger is constrained such that its position is limitedto 0 £ x £ w . There are two windings on this magnetic circuit. The first has N1 turns and carries a constant dc current I0. The second, which has N2 turns, is open-circuited and can ...
LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step
... SIMPLE SWITCHER ® Power Converter 150 kHz 3A Step-Down Voltage Regulator, with Features General Description The LM2599 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent ...
... SIMPLE SWITCHER ® Power Converter 150 kHz 3A Step-Down Voltage Regulator, with Features General Description The LM2599 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent ...
GZ3412811286
... polarity detector unit enable the appropriate buffers to produce the gate pulses (Vg 1 and Vg 2 ) that control the MOSFETs of the boost and buck–boost converter during appropriate half cycles. In this study, the resonance-based electromagnetic microgenerator is modeled as an ac voltage source. A sig ...
... polarity detector unit enable the appropriate buffers to produce the gate pulses (Vg 1 and Vg 2 ) that control the MOSFETs of the boost and buck–boost converter during appropriate half cycles. In this study, the resonance-based electromagnetic microgenerator is modeled as an ac voltage source. A sig ...
REVIEW ARTICLE Josephson voltage standards
... obtain the largest voltage from the smallest number of junctions, an array standard requires a circuit design that can deliver nearly uniform microwave power to many thousands of junctions, all of which are connected in series. The solution to this problem is a simple extension of Fig. 3 to a series ...
... obtain the largest voltage from the smallest number of junctions, an array standard requires a circuit design that can deliver nearly uniform microwave power to many thousands of junctions, all of which are connected in series. The solution to this problem is a simple extension of Fig. 3 to a series ...
Document
... Ground Impedance: In AC transmission, the existence of ground (zero sequence) current cannot be permitted in steady-state due to the high magnitude of ground impedance which will not only affect efficient power transfer, but also result in telephonic interference. The ground impedance is negligible ...
... Ground Impedance: In AC transmission, the existence of ground (zero sequence) current cannot be permitted in steady-state due to the high magnitude of ground impedance which will not only affect efficient power transfer, but also result in telephonic interference. The ground impedance is negligible ...
μ PD166020T1F Data Sheet
... The dynamic clamp circuit works only when the inductive load is switched off. When the inductive load is switched off, the voltage of OUT falls below 0 V. The gate voltage of SW1 is then nearly equal to GND because the IS terminal is connected to GND via an external resister. Next, the voltage at th ...
... The dynamic clamp circuit works only when the inductive load is switched off. When the inductive load is switched off, the voltage of OUT falls below 0 V. The gate voltage of SW1 is then nearly equal to GND because the IS terminal is connected to GND via an external resister. Next, the voltage at th ...
MOS Amplifier Topologies
... Rout = (1 + g m rO )RS + rO When a gate resistance is present it does not affect the gain and I/O impedances since there is no potential drop across it ( at low frequencies). The output impedance of a CG stage with source resistance is identical to that of CS stage with degeneration. CH7 CMOS Am ...
... Rout = (1 + g m rO )RS + rO When a gate resistance is present it does not affect the gain and I/O impedances since there is no potential drop across it ( at low frequencies). The output impedance of a CG stage with source resistance is identical to that of CS stage with degeneration. CH7 CMOS Am ...
A Three-Phase Zero-Voltage and Zero
... be classified to dual active bridge (DAB) converters [8], currentfed converters [10], [11], and voltage-fed converters [12]. The DAB can achieve ZVS on both high- and low-side switches and has no inductors involved in the power circuit. However, the DAB has many active switches and high ripple curre ...
... be classified to dual active bridge (DAB) converters [8], currentfed converters [10], [11], and voltage-fed converters [12]. The DAB can achieve ZVS on both high- and low-side switches and has no inductors involved in the power circuit. However, the DAB has many active switches and high ripple curre ...
Data Sheet or Brochure - TTid Instrument Distribution
... Complies with EN55022, Class B, FCC Part 15B for conducted emissions Complies with EN55022, Class A, FCC Part 15A for radiated emissions Complies with EN61000-4 series of standards for immunity ...
... Complies with EN55022, Class B, FCC Part 15B for conducted emissions Complies with EN55022, Class A, FCC Part 15A for radiated emissions Complies with EN61000-4 series of standards for immunity ...
M. Chen, K.K. Afridi, S. Chakraborty, and D.J. Perreault, “A High-Power-Density Wide-Input-Voltage-Range Isolated dc-dc Converter Having a MultiTrack Architecture,” 2015 Energy Conversion Congress and Exposition , pp. 2017-2026, Sept. 2015.
... circuit structure, whose switches are also used as the inverter switches in the isolation stage. We first introduce the merged isolation stage. The merged isolation stage includes a pair of half bridges (SA /SB and SC /SD ) that operate synchronously to drive a pair of identical resonant tanks (Cres ...
... circuit structure, whose switches are also used as the inverter switches in the isolation stage. We first introduce the merged isolation stage. The merged isolation stage includes a pair of half bridges (SA /SB and SC /SD ) that operate synchronously to drive a pair of identical resonant tanks (Cres ...
TVA50 - Home Electronic Warehouse
... NOTE 1: If switching two speaker pairs, (Figure 4), repeat steps 1-4 above for SPEAKER B IN. NOTE 2: Maintain proper polarity. Connect the positive terminals on the TVA50 to the positive terminals on the whole-house amplifier. Connect the negative terminals on the TVA50 to the negative terminals on ...
... NOTE 1: If switching two speaker pairs, (Figure 4), repeat steps 1-4 above for SPEAKER B IN. NOTE 2: Maintain proper polarity. Connect the positive terminals on the TVA50 to the positive terminals on the whole-house amplifier. Connect the negative terminals on the TVA50 to the negative terminals on ...
Why is a transformer needed?
... Another way to look at it is that exciting current is the transformer's "idling" current. Exciting current could also be referred to as no load current although this is not technically accurate. Exciting current is actually made up of two components: no load losses (normally expressed in watts) and ...
... Another way to look at it is that exciting current is the transformer's "idling" current. Exciting current could also be referred to as no load current although this is not technically accurate. Exciting current is actually made up of two components: no load losses (normally expressed in watts) and ...
WATER COOLED POWER TETRODE 8974
... conditions. These ratings are limited values outside which serviceability of the tube may be impaired. In order not to exceed absolute ratings the equipment designer has the responsibility of determining an average design value for each rating below the absolute value of that rating by a safety fact ...
... conditions. These ratings are limited values outside which serviceability of the tube may be impaired. In order not to exceed absolute ratings the equipment designer has the responsibility of determining an average design value for each rating below the absolute value of that rating by a safety fact ...
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.