2 100k potentiometer resistors and capacitors with a simple inexpensive quite well that works a tone control circuit bass and treble controls are doing RC low-pass filter the low-frequency bass sounds RC high-pass filter section treble passes With this state of the circuit can be used for mono signals only for two-channel stereo dual stereo…
Opamp and cmos integrated circuits based on sound level indicator audio spectrum analyzer circuit led bar display used 10 pieces for a little advanced version of the classic spectrum analyzer, VU meter circuit circuit circuit diagram a bit complicated but it is written makes it easy for you to work more or less pcb drawings…
5 piece kit consisting of the first half pretty simple and inexpensive radio circuit with a stylish casing made of wood and plexiglass think should be reinforced with output amplifier fm radio circuit has two different 🙂 simple radio circuit I have heard, even from a physicist, that it is impossible to build FM crystal…
A detailed project completed with filter and cabinet design, there are pcb cabinet calculations and other drawings for the circuit, an excel calculation table for the amplifier input, shared in the active bass filter circuit with tl072 opamps. The subwoofer cabinet is made of MDF. Mini Subwoofer This project was started to test the principles…
The effect circuit is based on tl072 and tl071 opamp ICs. “rate, depth” settings can be adjusted. You can operate it with a 12 volt dc adapter. Total harmonic distortion: 0.1% at 100mV in and @ 1kHz Signal to noise ratio: 108dB with respect to 1V input and 1k input loading; 112dB A weighted Maximum…
One very simple metronome circuit npn and pnp transistor and one capacitor potentiometer resistance buzzer can be connected to the audio output to speakers or headphones + 5v dc supply voltage can be Bcxxx bdxxx transistors used for the different series can I try 2s945 (npn) 2sa733 (PnP) I used 47k resistors. 16v 4.7uF capacitor…
Princeton Technology Corp. The manufacturer’s pt series has many audio control ICs, I’ve seen it in sound systems made in China, a complete control circuit made with PT2389 Pt 2389 is a 5 band digital echo circuit. The circuit also adds Classic – Jazz – Pops – Rock – Flat and 3D sound effects, Bled…
VU Meter circuit has 2 versions of the LM3914 and made with lm3915.. LM3914 Dot Bar Display Driver LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 20 Led stereo Vu Metre Devresi PCB Circuit LM3914 10 leds stereo vumeter circuit diagram of Eagle PCB drawing of eagle VU Meter Circuits…
I sold a handy turning on the radio, considering that the radio circuit in terms of cost 1USD poor in terms of cost, but you do not have a lifetime of service: D Something else while listening to a distinct pleasure verebilir.b my first attempt in my neighborhood crime Radio Chatter bought was very clear…
Here is a distortion pedal, with noise-gate integrated setting and bass / medium / treble, operating on the sector. Personally I added a switch stop walking on food, a door fuse (fuse 500mA under glass) and led (220v) It is a fitting analog multiplexer controlled by two signals. One comes from the push through a…