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  • Optimizing the Digital Potentiometer in Precision Circuits
    Digital Potentiometer Circuits to Reduce Absolute and Temperature Variations M. AN691. Optimizing Digital Potentiometer Circuits to Reduce. Absolute and Temperature Variations. The two modes that a potentiometer can be configured. Author: Bonnie C. Baker,. in are the Rheostat mode and Voltage
  • Temperature Measurement Circuits for Embedded Applications
    will be compared with a frequency output RTD oscillator circuit, along with design examples using serial and analog output silicon Integrated Circuit (IC) sensors. In addition, a Programmable Gain Amplifier (PGA) circuit will be shown that can increase the effectiveness of the Analog-to-Digital Converter (ADC) bit
  • Oscillator Circuits For RTD Temperature Sensors
    is not affected by the resistance of the. parameter in a digital system. A table look-up method. wires that connect to the sensor. This circuit is. that provides linear interpolation of temperature steps. especially useful with a small resistance sensor, such. of 5°C is adequate for most applications
  • Interfacing the TC72 SPITM Digital Temperature Sensor to a PICmicro(R) Microcontroller
    The TC72 is a digital CMOS silicon temperature sensor that provides an accurate digital temperature measurement. Data is converted from an internal diode temperature-sensing element to a digital format that can be directly interfaced to a microcontroller. The TC72 sensor offers many system-level
  • Measuring Jitter in Digital Systems
    measurement viewpoints: 7. be digital circuits that transfer binary data, but there. Eye diagrams revisited: 8. really is no such thing as a digital waveform. Histograms: 8. This application note is for engineers who design data. The bathtub plot: 9. transfer systems and components operating at over
  • Precision Temperature-Sensing With RTD Circuits
    sensor, making the analog translation of the temperature usable in the digital domain. Precision Temperature-Sensing with RTD Circuits M. AN687. Precision Temperature-Sensing With RTD Circuits. Author: Bonnie C. Baker. Microchip Technology Inc. Precision Current Source <1 mA. INTRODUCTION
  • Comparing Digital Potentiometers to Mechanical Potentiometers
    . The wiper position is digitally pro-. High Temperature. ±2% @ 125 °C for 250. grammed with a microcontroller. This style of adjust-. Exposure. hours. ment allows the designer to adjust circuit performance. Humidity excursions. ±15%. dynamically using a digital controller. The additional. programmability
  • Designing a Digital Compass Using the PIC18F2520
    ). This is known as. ences"), which has a range of ±1g and an operating. the Set/Reset strap, which is an input pin on the. voltage of 3.0V to 5.25V. The outputs are digital signals. sensor's package. The Set/Reset strap circuit requires. with varying duty cycles proportional to acceleration. a 0.4

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