Training Topics:
– Study of blocking oscillator and unstable multivibrator circuits.
– Study the characteristics of the electronic circuit of the music generator.
– Study of the wiring diagrams of LED flashing and LC resonant circuit.
Component list:
Scheme 1: Block a
– 1 x C1 ceramic capacitor 101 (100pF)
– 1 x C2 multilayer capacitor 0.022μF/22n
– 1 x R1 resistance 0.25 W 100 kOhm
– 1 x R2 resistance 0.25W 10Ohm (F 1%)
– 1 x R3 potentiometer 1kOhm
– 1 x R4 resistance 0.25 W 1kOhm
– 1 x SW1 toggle switch
– 1 x SW2 toggle switch
– 1 x T1 matching transformer
– 1 x TR1 transistor
Scheme 2: block b
– 1 x C3 electrolytic capacitor 25V/100µm
– 1 x C4 multilayer capacitor 0.022μF/22n
– 1 x C5 multilayer capacitor 0.1 µF/100n
– 1 x R5 resistance 0.25 W 100 kOhm
– 1 x R6 potentiometer 5kOhm
– 1 x R7 potentiometer 10 kOhm
– 1 x SPEAKER speaker
– 1 x SW3 toggle switch
– 1 x T2 output transformer
– 1 x TR2 transistor
Scheme 3: Block c
– 1 x C6 electrolytic capacitor 25V /4.7μF
– 1 x C7 electrolytic capacitor 25V /4.7μF
– 1 x LED1 LED red
– 1 x LED2 LED green
– 1 x R8 resistance 0.25 W 680 Ohm
– 1 x R9 resistance 0.25 W 2.2 kOhm
– 1 x R10 resistance 0.25 W 100 kOhm
– 1 x R11 resistance 0.25 W 7.5 kOhm
– 1 x R12, resistance 0.25 W, 7.5 kOhm
– 1 x R13 resistance 0.25 W 100 kOhm
– 1 x R14 resistance 0.25 W 2.2 kOhm
– 1 x R15, impedance 0.25 W, 680 Ohm
– 1 x SW4 toggle switch
– 1 x SW5 toggle switch
– 1 x TR3 transistor
– 1 x TR4 transistor
Circuit 4: Block d
– 1 x C8 ceramic capacitor 100pF
– 1 x C9 ceramic capacitor 47pF
– 1 x L1 coil
– 1 x R16 resistance 0.25W 1MOhm
– 1 x R17 resistance 0.25 W 10 kOhm
– 1 x SW6 toggle switch
– 1 x TR5 transistor
General Features:
– 1 PCB, 280x216x1.6T
– 38 x 2 mm connector