Lab Experiments

Hands-on circuits and bench experiments that connect electronics with real-world RF behavior.

Analog / Breadboard

2026-03-04 — Astable Multivibrator

Antennas

2m Yagi

Pi / Arduino

Bench-to-RF Experiments

  • RC Oscillator Frequency Analysis
    Examine how resistor and capacitor values affect transistor oscillator frequency.

  • Audio Tone Injection
    Feed generated audio tones from an oscillator into a transmitter and observe reception.

  • LED Flasher Timing Verification
    Measure frequency of a two-transistor astable multivibrator and compare with RC calculations.

  • Capacitor Value Sweep
    Test different capacitor values to observe effects on oscillation frequency.

  • Transistor Gain Effects
    Assess how transistor gain variations influence circuit stability and timing.

Deep RF Lab Experiments

  • DIY Low-Power RF Beacon
    Construct a beacon and monitor reception distances under varying conditions.

  • Oscillator Lab
    Build and compare multiple oscillators for stability, frequency drift, and phase characteristics.

  • Custom Digital Mode Development
    Implement a microcontroller-based digital transmission system, measure reliability and reach.

  • RC Timing vs Real RF Observation
    Connect simple timing circuits to radio transmissions and compare predicted vs observed behavior.

  • Circuit Parameter Sensitivity Study
    Evaluate how changes in resistor, capacitor, and transistor values influence signal performance.