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Supplier: Microchip Technology, Inc.
Description: TC7650 CMOS chopper-stabilized operational amplifier practically removes offset voltage error terms from system error calculations. 5uV maximum VOS specification, for example, represents a 15 times improvement over the industry-standard OP07E. 50 nV/°C off-set drift specification is over 25
- Package Type: Other
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Description: Applicable to direct d.c. semiconductor power convertors intended for service on rolling stock supplied with d.c. current. This standard has been drawn up for convertors supplying vehicle traction circuits, but it can be applied, in principle, to convertors for the supply to
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Description: Applicable to direct d.c. semiconductor power convertors intended for service on rolling stock supplied with d.c. current. This standard has been drawn up for convertors supplying vehicle traction circuits, but it can be applied, in principle, to convertors for the supply to
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Supplier: Radwell International
Description: FREQUENCY DRIVE, LIQUID COOLED, LCX SERIES, 820A, 520-690V, OPEN CHASSIS, ALPHANUMERIC KEYPAD, DC INPUT, NO BRAKE CHOPPER CIRCUIT, VARNISHED BOARDS. FREE 2 YEAR RADWELL WARRANTY
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Supplier: Dataforth Corporation
Description: and is bandwidth limited to 1kHz. After amplification, the input signal is chopped by a proprietary chopper circuit. Isolation is provided by transformer coupling, again using a proprietary technique to suppress transmission of common mode spikes or surges. The module is powered from
- Differential Channels: Yes
- Excitation: Voltage Excitation, Current Excitation
- Features: Integral Filter, Integral Amplifier
- Form Factor: Rack Mount, DIN Rail
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Supplier: Dataforth Corporation
Description: located on the field side of the isolation barrier, and the other four poles are on the system side. After the initial field-side filtering, the input signal is chopped by a proprietary chopper circuit. Isolation is provided by transformer coupling, again using a proprietary technique
- Differential Channels: Yes
- Excitation: Voltage Excitation
- Features: Integral Filter, Integral Amplifier
- Form Factor: DIN Rail
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Supplier: MultiDimension Technology Co., Ltd.
Description: Description TMR7901-B series are voltage sensor for accurate measurement of DC, AC, Pulse, and arbitrary voltage signal with galvanic isolation between the primary and secondary circuits. TMR7901-B Features and Benefits Low power Compact design High accuracy
- Accuracy: 0.5000 % FS
- Voltage: 12 to 24 volts
- Voltage Type: DC Voltage
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Supplier: Dexter Research Center, Inc.
Description: convenient buffering and pre-amplification of thermopile signal. The amplifier circuit board is impressively small (0.35" x 0.85") and is designed around the AD8628 amplifier with ultra low offset (<1μV), low drift (<0.005μV/°C), and low bias current (100pA). The Mini Amp
- Analog Input Channels: 1 #
- Application: General Lab and Industrial
- Bandwidth: 0.0159 kHz
- Form Factor: Printed Circuit Board (PCB)
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Supplier: Broadcom Inc.
Description: The ACPL-C87AT/C87BT automotive isolation amplifiers utilize superior optical coupling technology, with sigma-delta (S-?) analog-to-digital converter, chopper stabilized amplifiers, and a fully differential circuit topology to provide unequaled isolation-mode noise
- Isolation Voltage: 5000 volts
- Mounting Option: Surface Mount
- Operating Temperature: -40 to 125 C
- Optocoupler Input: DC
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Supplier: Broadcom Inc.
Description: The ACPL-C87AT/C87BT automotive isolation amplifiers utilize superior optical coupling technology, with sigma-delta (S-?) analog-to-digital converter, chopper stabilized amplifiers, and a fully differential circuit topology to provide unequaled isolation-mode noise
- Isolation Voltage: 5000 volts
- Mounting Option: Surface Mount
- Operating Temperature: -40 to 125 C
- Optocoupler Input: DC
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Supplier: Dataforth Corporation
Description: signal is chopped by a proprietary DC chopper circuit, isolation is provided by transformer coupling, a proprietary technique is used to suppress transmission of common mode spikes or surges, the output signal from the secondary of the transformer is reconstructed to the
- Accuracy: 0.1000 % FS
- Bandwidth: 0.7500 kHz
- Form Factor: DIN Rail
- Operating Temperature: -4 to 149 F
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Supplier: Infineon Technologies AG
Description: threshold (7A typ.) the H-Bridge switches into chopper current limitation mode. The MOTIX™ TLE9201SG is protected against short circuits and over temperature and provides diagnosis via SPI or basic error feedback via status flag. Open load can be detected when the bridge is disabled or
- Configuration: IC / PCB-Mounted
- Motor(s) Controlled: DC Brushed Motor
- Operating Temperature: -40 to 125 C
- Supply Voltage (DC): 5 to 36 volts
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Supplier: Dataforth Corporation
Description: on the field side of the isolation barrier, and the other four poles are on the system side. After the initial field-side filtering, the input signal is chopped by a proprietary chopper circuit. Isolation is provided by transformer coupling, again using a proprietary technique to
- Accuracy: 0.0300 % FS
- Analog Input Channels: 1 #
- Bandwidth: 0.1000 kHz
- Differential Channels: Yes
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Supplier: Richardson RFPD
Description: Fast IGBT4 Module|•IGBT4 = 4. Generation (Trench) IGBT|•Vce(sat) with positive temperature coefficient|•High short circuit capability, self limiting to 6 x Icnom|•Soft switching 4. Generation CAL diode (CAL4)|Typical Applications:|•DC/DC - converter|•Brake chopper|•Switched
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Supplier: Richardson RFPD
Description: Features IGBT4 = 4. Generation (Trench) IGBT VCEsat with positive temperature coefficient High short circuit capability, self limiting to 6 x ICNOM Soft switching 4. Generation CAL diode (CAL4) Applications DC/DC – converter Brake chopper Switched reluctance motor DC –
- Package Type: Other
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Supplier: Richardson RFPD
Description: Fast IGBT4 Module|•IGBT4 = 4. Generation (Trench) IGBT|•Vce(sat) with positive temperature coefficient|•High short circuit capability, self limiting to 6 x Icnom|•Soft switching 4. Generation CAL diode (CAL4)|Typical Applications:|•DC/DC - converter|•Brake chopper|•Switched
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Supplier: Richardson RFPD
Description: Fast IGBT4 Module|•IGBT4 = 4. Generation (Trench) IGBT|•Vce(sat) with positive temperature coefficient|•High short circuit capability, self limiting to 6 x Icnom|•Soft switching 4. Generation CAL diode (CAL4)|Typical Applications:|•DC/DC - converter|•Brake chopper|•Switched
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Supplier: Broadcom Inc.
Description: (less “torque ripple”) in various types of motor control applications. Combined with superior optical coupling technology, the ACPL-C79B/C79A/C790 implements sigma-delta analog-to-digital converter, chopper stabilized amplifiers, and a fully differential circuit topology to provide
- Isolation Voltage: 1500 volts
- Mounting Option: Surface Mount
- Operating Temperature: -40 to 105 C
- Optocoupler Input: DC
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Supplier: Broadcom Inc.
Description: (ACPL-C780) and ±5% (ACPL-C784) to suit application need. The ACPL-C78A/C780/C784 utilizes sigma-delta analog-to-digital converter technology, chopper stabilized amplifiers, and a fully differential circuit topology. Together, these features deliver unequaled isolation-mode noise
- Mounting Option: Surface Mount
- Operating Temperature: -40 to 100 C
- Optocoupler Input: DC
- Rise Time: 2.96 µs
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Supplier: Infineon Technologies AG
Description: MOTIX™ TLE4729G is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors and other inductive loads that operate by constant current It is fully pin and function compatible except the current programming is inverse to the MOTIX™ TLE4728G with an additional
- Configuration: IC / PCB-Mounted
- Drive Specifications: DC Servomotor
- Operating Temperature: -40 to 150 C
- Peak Output Current: 1 amps
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Supplier: Infineon Technologies AG
Description: IHV B 3300 V, 1000 A 190mm chopper IGBT Module with IGBT3 - The best solution for your medium voltage and drives applications. Summary of Features High DC Stability High Short Circuit Capability Self Limiting short Circuit Current Low switching
- IC(max): 1000 amps
- Package Type: Other
- Packing Method: Tray, Other
- Transistor Grade / Operating Range: Industrial
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Supplier: Honeywell Sensing & IoT
Description: need for additional component-level qualification testing. Designed to provide reliable, consistent performance and a fast response time, enhancing efficiency in brushless dc motor (BLDC) applications. Designed to provide a wide supply voltage range and no chopper delay, allowing
- Input (Supply) Voltage: 3 to 24 volts
- Operating Temperature: -40 to 150 C
- Package Type / Mounting: Other
- Sensor Grade / Operating Range: Automotive
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Supplier: Honeywell Sensing & IoT
Description: need for additional component-level qualification testing. Designed to provide reliable, consistent performance and a fast response time, enhancing efficiency in brushless dc motor (BLDC) applications. Designed to provide a wide supply voltage range and no chopper delay, allowing
- Input (Supply) Voltage: 3 to 24 volts
- Operating Temperature: -40 to 150 C
- Package Type / Mounting: Other
- Sensor Grade / Operating Range: Automotive
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Supplier: Honeywell Sensing & IoT
Description: need for additional component-level qualification testing. Designed to provide reliable, consistent performance and a fast response time, enhancing efficiency in brushless dc motor (BLDC) applications. Designed to provide a wide supply voltage range and no chopper delay, allowing
- Input (Supply) Voltage: 3 to 24 volts
- Operating Temperature: -40 to 150 C
- Package Type / Mounting: Other
- Sensor Grade / Operating Range: Automotive
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Supplier: RS Components, Ltd.
Description: Wurth Elektronik WE-FI series leaded inductors have a magnetic powder core and are ideal for use as storage suppressors in chopper regulators or as filter or smoothing chokes for suppression in thyristor or triac circuits. The ratings are based on recommendations of the various
- Core Material: Ferrite
- DCR: 0.0630 ohms
- Inductance Range: 157 microH
- Inductance Tolerance: -20 to 20 (+/- %)
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Supplier: RS Components, Ltd.
Description: Wurth Elektronik WE-FI series leaded inductors have a magnetic powder core and are ideal for use as storage suppressors in chopper regulators or as filter or smoothing chokes for suppression in thyristor or triac circuits. The ratings are based on recommendations of the various
- Core Material: Powdered Iron
- DCR: 0.2200 ohms
- Inductance Range: 220 microH
- Inductance Tolerance: -20 to 20 (+/- %)
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Supplier: RS Components, Ltd.
Description: Wurth Elektronik WE-FI series leaded inductors have a magnetic powder core and are ideal for use as storage suppressors in chopper regulators or as filter or smoothing chokes for suppression in thyristor or triac circuits. The ratings are based on recommendations of the various
- DCR: 0.0800 ohms
- Inductance Range: 100 microH
- Inductance Tolerance: -20 to 20 (+/- %)
- Lead Type: Other
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Supplier: RS Components, Ltd.
Description: Wurth Elektronik WE-FI series leaded inductors have a magnetic powder core and are ideal for use as storage suppressors in chopper regulators or as filter or smoothing chokes for suppression in thyristor or triac circuits. The ratings are based on recommendations of the various
- Core Material: Ferrite
- DCR: 0.4800 ohms
- Inductance Range: 1619 microH
- Inductance Tolerance: -20 to 20 (+/- %)
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Supplier: Littelfuse, Inc.
Description: phaseleg configurations for PWM applications with switching frequencies upwards of 50kHz. Common applications include AC motor speed control, DC servo, robot drives, DC choppers, UPS, capacitor discharge circuits, pulser circuits, switch-mode and resonant-mode
- Package Type: Other
- Transistor Type: IGBT
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Supplier: Littelfuse, Inc.
Description: phaseleg configurations for PWM applications with switching frequencies upwards of 50kHz. Common applications include AC motor speed control, DC servo, robot drives, DC choppers, UPS, capacitor discharge circuits, pulser circuits, switch-mode and resonant-mode
- IC(max): 16 amps
- Package Type: TO-247, Other
- Structure: NPT
- VCE(on): 5 volts
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Supplier: Shenzhen Liron Electronics Co., Ltd
Description: product developed for the purpose of the miniaturization as a capacitor for primary side filters of an inverter, DC servo, and a chopper control circuit. 3. The operating temperature of LQ2X can be from -40°C to +85°C. 4. The load life is 5000H guarantied. 5. Working
- Capacitance Tolerance: 20 (+/- %)
- Configuration / Form Factor: Other
- DC Rated Voltage Range (WVDC): 400 to 450 volts
- Leakage Current: 5 microamps
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Supplier: ValueTronics International, Inc.
Description: : 0.1O max Maximum Input Voltage (without damage): ± 300mV DC or ACpeak Precision AC-DC Active Current Shunt AC & DC Current Measurement to 100 Amps Built-In Chopper Stabilizer Amplifier Measurement tool for AC and DC Working Calibration
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Supplier: ValueTronics International, Inc.
Description: .5 mV/V initial unbalance and allow span adjustment over the stated full-scale sensitivity Excitation Supplied: Regulated 5 or 10 V-DC, user selectable Analog Outputs: Three outputs, each ±5 V full-scale with 50% over range, 5 mA max.; low-pass corner frequencies of 2 Hz, 200
- Calibrator Style: Other Specific Calibration?
- Process, Environmental, Thermodynamic Properties: Pressure / Vacuum, Temperature
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, and other analog circuits. Additionally, it is RoHS compliant and has high input impedance, negative current temperature coefficient, enhancement mode, DC gain of 109, and low input/output leakage currents. Available now at (read more)
Browse Metal-Oxide Semiconductor FET (MOSFET) Datasheets for Advanced Linear Devices, Inc. -
Applications: Precision current mirrors Complementary push-pull linear drives Analog switches Choppers Differential amplifier input stages Voltage comparators Data converters Sample and hold circuits (read more)
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. The chip is suitable for use in precision applications that require very high current gain, beta, such as current mirrors and current sources. It has a high input impedance and a DC current gain of 109, resulting in extremely low current loss through the control gate. Some (read more)
Browse Metal-Oxide Semiconductor FET (MOSFET) Datasheets for Advanced Linear Devices, Inc. -
gain (beta), such as current mirrors and current sources. The high input impedance and the high DC current gain of the Field-Effect Transistors result in extremely low current loss through the control gate. The DC current gain is limited by the gate input leakage current, which is specified at 100p (read more)
Browse Metal-Oxide Semiconductor FET (MOSFET) Datasheets for Advanced Linear Devices, Inc.
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Automation Equipment and Systems
This paper constructs a DC chopper circuit adopting PWM technology first preheats the filament then gradually increasing to the rated voltage.
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A distributed DC power system in an isolated island
Vdc and the SOC error IJ.SOC, and switching command of the DC chopper circuit is determined by the triangle-wave PWM law.
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A Practical Iron Loss Calculation for AC Filter Inductors Used in PWM Inverters
The iron loss map, pre- viously reported by the authors, is created by measuring the dynamic minor loop on the B–H plane, and this is used for the calculation of inductor iron loss in the dc chopper circuit .
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An improved PSPICE model for simulation and analysis of thyristor commutation circuits in DC choppers
It may be mentioned that the SCR model obtained in [7] for SPICE 2 does have a turn-off block, but it has limitations for application in dc chopper circuits , particularly in current commutated ones, as in [6], where it was assumed …
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An Application of Two-Phase DC Chopper Motor Drive
The performance characteristic of the single-phase and multi- phase dc chopper circuit for variable speed dc motor propul- sion drives has been described elsewhere [1].
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Chopper design for NICTD locomotives
DC chopper circuit with an LC input filter .
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A method to build up the voltage of self‐excited ac generator and constant voltage control by DC chopper
3.2 DC chopper circuit .
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Feed-Forward Transient Current Control for Low-Voltage Ride-Through Enhancement of DFIG Wind Turbines
A dc chopper circuit with a 0.5 pu resistor is also implemented across the dc bus to protect both the converters from dc bus overvoltage, as shown in Fig. 10.
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Design Analysis of Multiphase DC Chopper Motor Drive
Basic dc chopper circuit waveform.
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Computer-aided analysis of a power electronic circuit by a new multirate method
3.1 DC Chopper Circuit .