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Part # Distributor Manufacturer Product Category Description
dsPIC33FJ128MC804 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided on all I/O pins. System Management: . Flexible clock options: - External, crystal, resonator, internal RC. - Fully integrated Phase-Locked Loop (PLL). - Extremely low jitter PLL. . Power-up Timer. . Oscillator Start-up Timer/Stabilizer. . Watchdog Timer with its own RC oscillator. . Fail-Safe Clock...
dsPIC33FJ128MC802 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided on all I/O pins. System Management: . Flexible clock options: - External, crystal, resonator, internal RC. - Fully integrated Phase-Locked Loop (PLL). - Extremely low jitter PLL. . Power-up Timer. . Oscillator Start-up Timer/Stabilizer. . Watchdog Timer with its own RC oscillator. . Fail-Safe Clock...
dsPIC33FJ64MC802 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided on all I/O pins. System Management: . Flexible clock options: - External, crystal, resonator, internal RC. - Fully integrated Phase-Locked Loop (PLL). - Extremely low jitter PLL. . Power-up Timer. . Oscillator Start-up Timer/Stabilizer. . Watchdog Timer with its own RC oscillator. . Fail-Safe Clock...
IR2235STRPBF Allied Electronics, Inc. INTERNATIONAL RECTIFIER Not Provided Three-Phase Driver, Separate High and Low Side Inputs, OverCurrent Comparator
E7400.0010 Digi-Key Littelfuse Inc Industrial Controls, Meters PHASE COMPARATOR UNIT
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Conduct Research Top

  • Controlling 3-Phase AC Induction Motors Using the PIC18F4431
    than the PIC18F452 or PIC16F7X7. Practically speaking, control of a 3-phase AC induction motor requires pulse-width modulated control of the six switches of a 3-phase inverter bridge connected to the motor's stator windings (Figure 1). The six switches form 3 pairs of "half-bridges", which can
  • M2076: Programming Guide Integer N PLL Synthesizer 35 - 1100 MHz
    to the same phase comparison frequency. The divided VCO and divided reference signals are then fed into the phase comparator which produces an error signal whose magnitude is proportional to the phase difference between the two signals. The error signal is then passed through a loop filter to produce
  • M2077: Programming Guide Integer N PLL Synthesizer 35 - 2500 MHz
    to the same phase comparison frequency. The divided VCO and divided reference signals are then fed into the phase comparator which produces an error signal whose magnitude is proportional to the phase difference between the two signals. The error signal is then passed through a loop filter to produce
  • Capacitive Multibutton Configurations
    . C1VIN- -. C1IN+. 0. C1. C1OUT. MUX. C1VIN+ +. C1OUT (to SR Latch). FixedRef. 1. 0. C1POL. MUX. CVREF. 1. Note 1: When C1ON = 0, the C1 comparator will produce a ‘0’ output to the XOR Gate. C1RSEL. 2: Q1 and Q3 are phases of the four-phase system clock (FOSC). 3: Q1 is held high during Sleep mode
  • Switching Power Supply Design with the PIC16F785
    . OPA2. C19. +12V. T1. D2. Voltage. Comparator. -. C2. + C2IN+. BST. Phase. Q1. Counter. PWM. DRVH. C8. L1. PHA. IN. SW. Output. Q2. C1. C9. DRVL. U3 PIC16F785. U4. The feedback process starts with the error amplifier. and loop filter sampling the output voltage. The error. amplifier portion
  • Switching Power Supply Design with the PIC16F785
    . OPA2. C19. +12V. T1. D2. Voltage. Comparator. -. C2. + C2IN+. BST. Phase. Q1. Counter. PWM. DRVH. C8. L1. PHA. IN. SW. Output. Q2. C1. C9. DRVL. U3 PIC16F785. U4. The feedback process starts with the error amplifier. and loop filter sampling the output voltage. The error. amplifier portion
  • Sensorless BLDC Control with Back-EMF Filtering
    This application note describes a sensorless brushless DC (BLDC) motor control algorithm, implemented using the dsPIC (R) digital signal controller (DSC). The algorithm works by digitally filtering the back-Electromotive Force (back-EMF) on each phase of the motor and determining when to commutate
  • Basic Gyroscope Spin Motor Excitation Requirements For USD Gyroscopes
    This applications note discusses basic gyroscope spin motor excitation requirements for many models of US Dynamics miniature Rate Integrating Gyroscopes (RIG) and Rate Gyroscopes. Most US Dynamics miniature gyroscopes utilize 2 phase synchronous (hysteresis) motors to drive the gyroscope inertia
  • Oscillator Circuits For RTD Temperature Sensors
    ”. an inverter. Each integrator provides a phase shift of. The state variable oscillator design equations can be. 90°, while the inverter adds an additional 180° phase. simplified by selecting identical integrator stages (A1. shift. The total phase shift of the three amplifiers is. and A2
  • Buck Configuration High-Power LED Driver
    ,. a frequency determined by the switching speed of the. ending the charge phase and starting the discharge. MOSFET and the propagation delay of the comparator. phase. During the discharge phase, current flows. Unfortunately, this will switch the MOSFET so rapidly. through the Diode D, the inductor L1, and R8

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