Training Topics:
– Schematic of a push-pull amplifier.
– Characteristics of the Wheatston Bridge.
– Sound control circuitry.
Component list:
Scheme 1: Block a
– 1 x R1 resistance 0.25 W, 500 Ohm
– 1 x R2 resistance 0.25 W 1kOhm
– 1 x R3 resistance 0.25 W 1.2 kOhm
– 1 x R4 resistance 0.25 W 1kOhm
– 1 R5 resistance 0,25 W 1kOhm
– 1 x VR potentiometer 5 kOhm
Scheme 2: block b
– 1 x C1 25V/4.7µF electrolytic capacitor
– 1 x C2 multilayer capacitor 0.1µF/100n
– 1 x C3 electrolytic capacitor 25V/33μF
– 1 x C4 multilayer capacitor 0.1 μF/100 n
– 1 x C5 electrolytic capacitor 25V/100µm
– 1 x R6 resistance 0.25 W 22 kOhm
– 1 x R7 resistance 0.25 W 5.1 kOhm
– 1 x R8 resistance 0.25 W 1kOhm
– 1 x R9 resistance 0.25 W 1kOhm
– 1 x R10 resistance 0.25 W 4.7 kOhm
– 1 x R11 Resistance 0.25W 470Ohm
– 1 x R12 Resistance 0.25W 4.7Ohm
– 1 x SPEAKER speaker
– 1 x SW1 toggle switch
– 1 x SW2 toggle switch
– 1 x SW3 toggle switch
– 1 x SW4 toggle switch
– 1 x T1 input transformer
– 1 x T2 output transformer
– 1 x TR1 transistor
– 1 x TR2 transistor
– 1 x TR3 transistor
General Features:
– 1 PCB, 280x216x1.6T
– 29 x 2 mm connector
