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The basic medium wave circuit

The basic medium wave circuit Transmissions on Medium Wave frequencies are by Amplitude Modulation. …. On this basis, if used in our receiver circuit

Mini fm radio Transmitter circuit

Mini fm radio Transmitter circuit Mini fm radio Transmitter circuit  using BF199 This small FM transmitter with a range of about 50 meters designed for hoby. With lots of mini-transmitters then you have a comprehensive, action-packed radio program. Due to the power supply via the USB port of a high frequency stability is achieved. Alternatively, […]

5W Audio Amplifier Circuit using AN7168

5W Audio Amplifier Circuit using AN7168

Circuit control temperature fan ceiling

P1_____________22K R1_____________15K R2____________100K R3,R6__________10K R4,R5__________22K R7____________100R R8____________470R R9_____________33K C1_____________10nF D1________BZX79C18 D2_________TIC106D D3-D6_______1N4007 Q1,Q2________BC327 Q3___________BC337 SK1__________Female Mains socket PL1__________Male Mains plug & cable R3-R4 and P1-R1 are wired as a Wheatstone bridge in which R3-R4 generate a fixed two-thirds-supply “reference” voltage, P1-R1 generate a temperature-sensitive “variable” voltage, and Q1 is used as a bridge balance detector. […]

RF circuit using 2SA1037K , UN 2112

RF circuit Design information RF circuit using 2SA1037K , UN 2112

linear power supply circuit

linear power supply circuit using LM317, CD4541

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