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Supplier: Tradeport Electronics Group
Description: level may also be set to change continuously. Controllable from an external computer using various communication interfaces. Output voltage: 0.20~30.0kV Polarity: Positive or negative Discharge capacitor and resistor: 150 PF±10% 330ohm±5%
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Supplier: Renesas Electronics Corporation
Description: "INC/span inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation.brbr The device can be used as a three-terminal potentio-meter or as a two-terminal variable resistor in a wide variety of applications ranging from
- Current Rating: 2.00E-4 amps
- No. of Tap Positions: 100 #
- Operating Temperature: 85 C
- Resistance Taper: Log / Audio
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Supplier: Renesas Electronics Corporation
Description: "INC/span inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation.brbr The device can be used as a three-terminal potentio-meter or as a two-terminal variable resistor in a wide variety of applications ranging from
- Current Rating: 2.00E-4 amps
- No. of Tap Positions: 100 #
- Operating Temperature: 85 C
- Resistance Taper: Log / Audio
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Supplier: Renesas Electronics Corporation
Description: "INC/span inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation.brbr The device can be used as a three-terminal potentio-meter or as a two-terminal variable resistor in a wide variety of applications ranging from
- Current Rating: 2.00E-4 amps
- No. of Tap Positions: 100 #
- Operating Temperature: 85 C
- Resistance Taper: Log / Audio
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Supplier: OMEGA Engineering, Inc.
Description: -logic compatible. For operation with +24V signals, a 3600-ohm series resistor is required on each input. See the drive manual for details. The 3540MO drive has an on-board oscillator which allows the motor speed to be controlled by an analog voltage or external joystick. This drive is
- Application Categories: Variable Speed Drive
- Configuration: Panel Mount
- Continuous Output Current: 0.4000 to 3.5 amps
- Drive Type: Bipolar Stepper Motor, Microstepping Motor
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Description: Compact Digital Servo Drive From 1.25Arms to 15Arms continuous current 230 VAC, 1 and 3 phase operation Internal braking resistor Resolver and incremental encoder feedback +-10V velocity and torque control, Step & direction input for
- AC Input Frequency: 50 Hz, 60 Hz
- AC Input Phase: Single Phase, Three Phase
- Communication Standards: CANbus, CANopen, DeviceNet, PROFIBUS®
- Commutation (if Brushless): Sinusoidal
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Description: Compact Digital Servo Drive From 1.25Arms to 15Arms continuous current 230 VAC, 1 and 3 phase operation Internal braking resistor Resolver and incremental encoder feedback +-10V velocity and torque control, Step & direction input for
- AC Input Phase: Single Phase, Three Phase
- Communication Standards: CANbus, CANopen, DeviceNet, PROFIBUS®
- Commutation (if Brushless): Trapezoidal
- Configuration: Stand Alone
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Supplier: ValueTronics International, Inc.
Description: interface (Requires card option DR1DIO or DR2DIO) The power supplies’ output voltage and current can be controlled by either external analog voltage or resistance. Use a 0-5 V or 0-10 V external DC voltage source, or 0-5 kO variable resistor to control the output from
- DC Output Power: 105 watts
- Type: DC Power Supply
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Supplier: ValueTronics International, Inc.
Description: (Requires card option DR1DIO or DR2DIO) The power supplies’ output voltage and current can be controlled by either external analog voltage or resistance. Use a 0-5 V or 0-10 V external DC voltage source, or 0-5 kO variable resistor to control the output from zero to full
- DC Output Power: 210 watts
- Type: DC Power Supply
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Supplier: ValueTronics International, Inc.
Description: option DR1DIO or DR2DIO) The power supplies’ output voltage and current can be controlled by either external analog voltage or resistance. Use a 0-5 V or 0-10 V external DC voltage source, or 0-5 kO variable resistor to control the output from zero to full scale
- DC Output Power: 200 watts
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Supplier: ValueTronics International, Inc.
Description: DIO or DR2DIO) The power supplies’ output voltage and current can be controlled by either external analog voltage or resistance. Use a 0-5 V or 0-10 V external DC voltage source, or 0-5 kO variable resistor to control the output from zero to full scale. Application
- DC Output Power: 210 watts
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variable resistance allows the user to adjust the resistance of a circuit. The resistance is what determines how much current flow. You can adjust the resistance to control the brightness or volume of the light. Variable resistors, unlike (read more)
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) and closed loop vector control (CLV) that utilize variable frequency drives (VFDs) and 2-speed control. In this blog post, we will explore the benefits of VFD crane control over 2-speed control, focusing on factors such as load control, speed adjustment, efficiency, hoist life, and more (read more)
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performance drivers offer a new approach to driving power devices through its paradigm-shifting drive strength control feature called “Selectable Variable Current Drive,” or SelVCD™. SelVCD provides eight selectable levels of output current for both turn on and turn off cycles, eliminating the need for gate resistors and clamping any Miller effect currents. (read more)
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. The IHAZTM Temperature Profile Modeling computer program enables advanced temperature control of the billet heating process. IHAZTM allows you to customize a billet temperature profile (Induction Heat Affected Zone) to best suit your billet or bar heating application. Features (read more)
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Fade to Green: A Biodegradable Stack of Microbial Fuel Cells
Polarisation experiments were performed by using an automated computer - controlled variable resistor as described previously.[33] A total of 60 resistance values were applied from 1 MW down to 3 W using a sample rate of 5 min.
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Biodegradation and proton exchange using natural rubber in microbial fuel cells
Power curves were also produced after 11 months using an automated computer - controlled variable resistor as previously described (Degrenne et al. 2012).
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Automatically Controlled Power Equalizer for Liquid Crystal Based Optical Demultiplexer
We can adjust the voltages of the pixels by computer controlled digital variable resistors (VR) via the feedback control loop.
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Thermal imaging of metals in a Kolsky-bar apparatus
The millisecond-resolution pulse heating system, shown schematically in Fig. 2, consists of a battery bank in series with a standard resistor, a variable resistor , and a computer controlled high-speed Field Effect Transistor (FET) switching system.
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Tachistoscopic illumination and masking of real scenes
The timing is controlled by a computer through a variable resistor .
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http://dspace.mit.edu/bitstream/handle/1721.1/28649/58965283-MIT.pdf?sequence=2
A variable voltage is obviously more convenient than a varying resistor for uses with modern computer control through analog outputs.
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Temperature Control of Pulse Heated Specimens in a Kolsky Bar Apparatus Using Microsecond Time-Resolved Pyrometry
The electrical pulse heating circuit consists of the Kolsky specimen sandwiched between two bars, connected in series with a battery bank, a standard resistor, a variable resistor , and a computer - controlled high-speed FET switch.
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Effects of time-varying loads on rotor fault detection in induction machines
The test motor was connected to a dynamometer capable of simulating a user-definable,position- varying load through computer controlled power transistors that switch in preset resistor banks.
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Communications Receivers: DSP, Software Radios, and Design, Third Edition > Amplifiers and Gain Control
This may be made available through a variable resistor or by allowing the operator to signal the control computer , which then sets the voltage using one or more digital-to-analog (D/A) converters.
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Determination of the physicochemical characteristics and electrical performance of postsulfonated and grafted sulfonated derivatives of poly( para ‐phenylene) ...
The E–j and P–j curves were recorded with a high power potentiostat (model HP 88, Wenking, Bank Electronik, Zellerfeld, Germany) interfaced with a personal com- puter to control the current sequences and for data storage and a variable resistor cell current discharge.