Pulse width modulator Popis dijelova: R1 = 330 oma R2 = 1 MegaOhm P1 = 100K potenciometar (Lin) C1 = 0.1uF, (100nF) keramike C2 = 0.01uF, (10nF) keramike C3 = 0.01uF, (10nF) keramike D1 = 1N4004 (ili Schottky) Led = Vaš izbor Q1 = IRF513,
Pulse width modulator Popis dijelova: R1 = 1K R2 = 47 Ohm P1 = 50K potenciometar C1 = 0.1uF, (100nF), keramike C2 = 0.01uF, (10nF) keramike C3 = 470uF, 25V, elektrolita D1, D2 = 1N4148, opće namjene signalne diode D3 = MBR1645, NTE6081, ili slično.
Variable Frequency Pulse width modulator Popis dijelova: R1,R6,R11 = 10K C1 = 1000uF, 64V R2,R9 = 1K8 C2 = 10nF, polyester R3 = 100 ohm C3 = 100uF, 64V R4,R8 = 1K C4 = 22nF R5 = 22K C5 = 47uF, 35V R7 = 1M *R10