Jordan Dimitrov

Jordan Dimitrov

Jordan Dimitrov is an electrical engineer & PhD with 30 years of experience. Currently he teaches electrical and electronics courses at a Toronto community college.

Areas of interest of the author: Audio Measurement Analogue Design Amplifiers Oscillators Microcontrollers Usage Supply Security Automation

Publications on RadioLocman by the author Jordan Dimitrov:

  1. Getting an audio signal with a THD < 0.0002% made easy
    If you need a very pure sine wave in the audio range, the circuit in Figure 1 can help. It is...
    Oct 22, 2024
  2. Proper function linearizes a hot transistor anemometer with less than 0.2% error
    A recent Design Idea (Ref. 1) presents a circuit to measure an airflow rate up to 2000 fpm...
    Jan 11, 2024
  3. Platinum-RTD-based circuit provides high performance with few components
    The standard way of using an RTD (resistance-temperature-detector) sensor is to include it in a...
    Feb 15, 2023
  4. Precision synchronous detection amplifier facilitates low voltage measurements
    This design idea presents a practical circuit that implements synchronous detection to amplify...
    Aug 9, 2022
  5. Adjust 555-Based Generator's Duty Cycle without Affecting Frequency
    A free-running generator built on the standard configuration of the 555 timer can't provide a...
    Feb 10, 2022
  6. Class AB 20-W current booster is insensitive to temperature variations
    Class AB amplifiers have been the workhorses of the audio world, thanks to their simplicity, and...
    Nov 13, 2021
  7. PWM DAC settles in one period of the pulse train
    Pulse-width modulation (PWM) is the best conversion method to use for digitally-controlled variable...
    May 7, 2020
  8. Retriggerable monostable multivibrator quickly discharges power-supply capacitor
    Universal power supplies must work from mains power lines ranging from 90 to 264 V ac at 50 or...
    Mar 20, 2019
  9. DIY DCV Calibrator & reference has under 70µV error
    [Editor’s note: This programmable DC reference & calibrator will make a great DIY project...
    Aug 29, 2017
  10. Antilog converter linearizes carbon dioxide sensor
    While most carbon dioxide sensors use IR technology, electrochemical sensors are a serious...
    Aug 19, 2015
  11. Linearize optical distance sensors with a voltage-to-frequency converter
    Create the mathematical inverse of an analog voltage by converting it to frequency and measuring...
    Feb 10, 2013
  12. Inexpensive VFC features good linearity and dynamic range
    Design Idea reveals a VFC (voltage-to-frequency converter) circuit that provides good performance...
    Apr 3, 2012
  13. Analog switch converts 555 timer into pulse-width modulator
    This Design Idea describes a new approach to producing a variable-duty-cycle waveform from a...
    Jul 22, 2009