Transistor applications

SP4.2
Transistor applications
Transistor applications

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Description

Diode circuits

  • Zero-point suppression with a Z-diode
  • Using diodes to protect against overvoltage and reverse polarity
  • Suppressing induction voltages with a diode (free-wheeling diode)
  • Smoothing pulsating DC voltages with capacitors
  • Constant current source - charging capacitors with a constant current
  • Voltage stabilizer circuit
  • Series voltage regulation

Flip-flops (multivibrators)

  • Basic experiments with flip-flops
  • Bistable flip-flop as a memory element
  • Monostable flip-flop as a time-delay swich
  • Astable flip-flop (astable multivibrator)
  • Generating sounds with an astable multivibrator (police siren, birdsong)
  • Miniature organ I - musical scale on a pencil line
  • Extra experiment: miniature organ II - making and tuning a small electronic keyboard

Amplifying circuits

  • Amplifying a voltage pulse
  • Setting and stabilizing the working-point of a single-stage microphone amplifier
  • Two-stage microphone amplifier
  • Medium-wave receiver, single-stage and two-stage
  • Basic experiment: amplifier for voltage differential (difference amplifier)
  • Sensitive light meter with a difference amplifier
  • Determining the DC voltage gain (push-pull gain) of a difference ampifier
  • Touch-contact switch, moisture and filling-level indicator
  • Current gain factors

Feedback and oscillators

  • Electronic motor
  • Acoustic feedback
  • Meissner circuit
  • Three-point oscillator
  • Phase shift oscillator
  • Wien oscillator

Components of equipment sets

1 588871S  8  Advanced Science Kit - Set BEL LD
1 588876S  8  Advanced Science Kit - Set ELI 2 LD
1 588881S  8  Advanced Science Kit - Set ELO 1 LD
1 588882S  8  Advanced Science Kit - Set ELO 2 LD
1 521485 AC/DC power supply, 0...12 V/3 A LD
1 LDS00001  8  Stopwatch, digital LD
2 531120  8  Multimeter LDanalog 20 LD
1 57756  8  Resistor, 10 kΩ, STE 2/19 LD
2 57851  8  Diode, 1N 4007, STE 2/19 LD
2 50144  8  Connecting leads, 19 A, 25 cm, red/blue, pair LD
1 501441  8  Connecting lead, 19 A, 25 cm, black, pair LD
1 50145  8  Connecting lead, 19 A, 50 cm, red/blue, pair LD
1 50507  8  Bulbs, 4 V/0.16 W, E10, set of 10 LD
1 50514  8  Bulbs, 6 V/3 W, E10, set of 10 LD
1 664130  8  Beaker, Boro 3.3, 250 ml, squat LD
Additionally recommended:
1 53167  8  Moving coil galvanometer LD
1 501471 Twin wire LD
4 590011  8  Clamping plug LD
1 57899  8  Aerial amplifier, STE 4/50 LD
1 57928  8  Loudspeaker with transformer, STE 4/50 LD
1 additionally recommended experiment description:
588 42EN Electronics: Transistor Applications
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