Audio

Description: Based on the classic Baxendall tone control circuit, this provides a maximum cut and boost of around 10dB at 10K and 50Hz. Notes: The first BC109C transistor (left hand side) is acting as a buffer. It provides the circuit with a high i

Posted at 08-11-30 by Admin views(5335)

After installation adjust the frequency , the frequency falls to the point where you want to recommend not to use confidential section of 88-108MHz frequency. Then a soft- line distance of 20-30 meters is no problem , the original did not affect the

Posted at 11-03-25 by Sky views(1723)

In this paper, 12 components had a miniature wireless FM microphone , frequency stability, and launch about 30 meters away , 6V power supply can be up to 100 meters. Circuit as shown , BG1 and C1, C3 component high-frequency oscillator circuit . The

Posted at 11-03-25 by Sky views(4820)

Posted at 11-03-06 by Sky views(4462)

The production of launchers Launcher using ROHM 's single-chip digital phase-locked stereo modulation chip BH1416F, the chip performance, only 0.5% distortion , channel separation of up to 40dB, the sound quality can be transmitted Up to professional

Posted at 11-03-06 by Sky views(4440)

Principle of the wireless microphone article: The following is the FM wireless microphone circuit, the circuit is very simple, no extra device. High-frequency transistor V1 and capacitor C3, C5, C6 to form a three-point oscillator capacitor, for beg

Posted at 11-03-06 by Sky views(9680)

Circuit capacitance three-point oscillator, simple, reliable , easy start-up . BG1 amplifier circuit composed of a small capacitor from the microphone to detect the faint sound signal amplification , up to a certain extent to the BG2 after the three-

Posted at 11-03-06 by Sky views(11355)

Description: This is a four channel amplifier ideally suited for use with quadraphonic equipment such as a Sound Blaster Live card. There is no volume control,audio levels being directly controlled from the sound card itself. Parts List: D1-D4: 1N40

Posted at 08-11-30 by Admin views(2812)

There is video of two kinds of MPEG2 in the transmission interface of current DVB-C system equipment code shedding transmits interface standard: Asynchronous is serial interface ASI and SPI of synchronous and collateral interface. SPI altogether has

Posted at 08-08-11 by Admin views(2921)

Notes: This circuit was submitted by Graham Maynard from Newtownabbey, Northern Ireland. It has an exceptionally fast high frequency response, as demonstrated by applying an 100kHz squarewave to the input. All graphs were produced using Tina Pro. Th

Posted at 08-11-30 by Admin views(4014)