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Posts tagged 2SA102

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 […]

Switch mode PSU diagram for car audio

Switch mode PSU diagram for car audio Switch mode PSU diagram for car audio

Creating 125KHZ oscillator

Creating 125KHZ oscillator This circuit is similar to CMOS INVERTERS FORM 125KHZ oscillator but adds more invertors in parallel to provide greater power.

op amp preamp circuit

op amp preamp circuit op amp preamp circuit using KA2214 op amp preamp circuit op amp preamp circuit

Making power amplifier 30 – 100watts

Now this is an interesting amplifier and can be built for almost any AF power level you want from or more. I will give you suitable examples for the 30 – 100watts version. RV must be set to minimum resistance before application of power. To set up the amplifier, advance RV SLOWLY whilst monitoring the […]

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