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FM Radio Receiver circuit diagram using TDA7021T

FM Radio Receiver circuit diagram using TDA7021T Parts List: R1 = 8kO2 R2 = 10kO R3 = 390O C1,C3 = 10nF C2,C6,C9,C16 = 100nF C4 = 33pF C5 = 25pF trimmer (Murata type TZB4Z250AB10R00) C7,C10 = 1nF5 C8 = 820pF C11 = 1nF C12 = 68pF C13 = 220pF C14 = 47µF 10V (Nichicon UWX1A470MCL1GB […]

Making 15W FM RF Amplifier using 2SC253

This is a FM RF amplifier which build based on RF Power Transistor 2SC2539. 2SC2539 is a silicon NPN epitaxial planar type transistor designed for RF power amplifiers in VHF band mobile radio applications. L1: 2T Coil diameter:4mm L2: in series 6pcs Toroidal ring L3: 4T Coil diameter:10mm L1: 3T Coil diameter:10mm

audio amplifiers circuit

audio amplifiers circuit Audio Amplifiers Audio Amplifiers circuit using STK084G audio amplifiers circuit audio amplifiers circuit

This circuit is a very sensitive 3-transistor amplifier (27MHz)

This circuit is a very sensitive 3-transistor amplifier (27MHz) This circuit is a very sensitive 3-transistor amplifier (27MHz) R1 ………….. 4,7K R2 ………….. 39K R3 ………….. 150 R4 ………….. 1K R5 ………….. 10K R6 ………….. 270 R7 ………….. 150 R8 ………….. 4,7K R9 ………….. 220K C1 ………….. 22pF C2 ………….. 22pF C3 ………….. 22pF C4 […]

Audio VU Meter Circuit

Audio VU Meter Circuit using 4017 Audio VU Meter Circuit using 4017

Audio vu meter mono circuit

Audio vu meter mono circuit using KA2281 Audio vu meter mono circuit using KA2281

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