Tasel

This inverter circuit is very useful for low load application such as emergency light, radio, or DVD player. With transistors as main active component, please take more attention when you assemble this 100 W inverter circuit. Power source of this circuit just 12V DC, but can produce about 100W at 220V AC with simple assembling [...]

Very high power amplifier with 10 pairs of power transistor. Can use MJ15024 and MJ15025 or MJ21193 and MJ21194. Those 20 pieces transistor work as final active component for final gain. This circuit required dual output power supply 130V.

Here is 6-transistor 140 Watt audio amplifier. Using 2N3569, 2N3055, 2N4355, and MPS6533 this circuit can be useful for your home audio. The amplifier work with 30 V as the input voltage and produced output will be received by 8 ohm impedance speaker.

Can be a standalone or teamed with Pre-Amp, this circuit show us a high-class headphone amplifier. With low distortion and noise, its seat drive low or high impedance to max power levels. Need only a power supply and a volume control pot for apply among any line-level signal source, and featured dual output.

The circuit using active component to operating. In this case, the active component is IC NE5532 or TL072 as a linear part. With 15 V power supply, this circuit separate the low out and high out. The low out connected to a woofer, and high out in tweeter.

Very small amplifier witch can provide 7W/4Ohm output. This circuit, although have small output, but capable to produce output with low total harmonic and cross-over distortion and work at 20Hz to 20kHz. The circuit using IC TDA2003 as main component.

A simple step up DC to DC converter with a maximum draw of about 800mA. Applying a op-amp as a square wave oscillator to trig an inductor and another op-amp in a feedback loop, provides a 24V power source for many uses.

DVD Signals RF modulator circuit which also can be used as a RF modulator. The brightness can adjusted by trimming the P1, P2 control the contrast of video signal. The circuit output is RF modulated and can be receive in VHF band.