Suitable for the post of Junior Engineer in BSNL, DMRC, DRDO, PTCUL, RRB, UPCL, etc examination.
  1. Application: Buffer
    • Main Advantage: High Zin and Low Zout
    • Uses: General Purpose measuring equipment, receivers.

  2. Application: RF Amplifier
    • Main Advantage: Low Noise
    • Uses: FM Tuners, Communication Equipment

  3. Application: RF Mixers
    • Main Advantage: Low Distortion
    • Uses: FM and TV receivers, Communication Equipment

  4. Application: AGC Amplifier (Ohmic)
    • Main Advantage: Ease of Gain Control
    • Uses: Receivers, Signal Generators

  5. Application: Cascade Amplifier (Active)
    • Main Advantage: Low Input Capacitance
    • Uses: Measuring Instruments, Testing Equipment

  6. Application: Chopper Amplifier
    • Main Advantage: No Drift
    • Uses: DC Amplifiers, Guidance Control Systems

  7. Application: Variable Resistor (Ohmic)
    • Main Advantage: Voltage Controlled
    • Uses: Op-amps, Organ tone controls

  8. Application: Audio amplifier
    • Main Advantage: Small Coupling Capacitors
    • Uses: Hearing Aids, Inductance Transducers

  9. Application: RF Oscillators
    • Main Advantage: Minimum Frequency Drift
    • Uses: Frequency Standards, Receivers

AUTHOR: Mr. Amarjeet Singh Jamwal, Assistant Loco Pilot, Ambala Division, INDIAN RAILWAY.

REFERENCE: Albert Malvino and David J Bates, “Electronic Principles”, 7th Edition, TATA McGRAW HILL.

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