Class D Amplifier TDA8927J This integrated circuit includes a terminal switching transistors type DMOS (Double-Diffused MOS), circuits for controlling the transistors and circuits for communication with the control circuit. It is also equipped with a control circuit for detecting the maximum output current and temperature sensor. Further, this circuit is characterized by high efficiency, a…
The block diagram of the integrated circuit TAS5611A As mentioned above, the circuit contains 4 identical channels. The input signal is fed to pin INPUT_X. Signal continues into the feedback filter ANALOG LOOP FILTER and further to the input multiplexer the ANALOG INPUT MUX. In the block ANALOG COMPARATOR MUX occurs to compare the input…
The output stage of the TDA7490 amplifier in class D The core of the end stage class d circuit is TDA7490 from the company STMicroelectronics. The way in which this amplifier works, was discussed above. Here will be dismantled just a function nejdůleţitějších components. On pin 8 generates a modulation signal, or it is possible…
TDA8920 Class-D circuit is to use two circuits TDA8920 in bridge mode connection (BTL). Circuit TDA8920 works with the internal oscillator, whose frequency can be set using the the external elements. The manufacturer recommends that, in the application of multiple circuits in a single device to use for synchronization of circuits external oscillator. Circuit TDA8920…
The design and construction of combos for electric guitar. Work discusses how theories of construction and design blocks combos, so its structure and measuring its parameters and parameters of individual blocks. Bachelor thesis has the aim to get acquainted with the problems of the design of individual parts of the combos, which are the preamp…
The choice of the hi-end-amplifier TDA7293 Power amplifier TDA7293 from the company ST Microelectronics are the most widespread power amplifiers available in our market. Even if his own conception is integrated, contains a number of protections, which greatly contribute to extending the life of the entire amplifier. The main reason for the choice of TDA7293…
The involvement of the preamplifier This is a long-established involvement with tubes type ecc83. This involvement is used by legendary guitar amps Marshall JCM 800 After studying the issue, I decided for the implementation of digital audio amplifier using the circuit TPA3106 D1 of the firm Texas Instruments. The picture sleeve is located on the…
Amlifier Circuit STK428-610 This component is the core of the entire device, therefore, on the choice of the appropriate solution placed particularly great emphasis. In the first project of this work have already been given individual of the working class, which are the switch amplifiers characterized. Between the circuits of SANYO, I chose STK428-610, which…
Complete car amp in a project stk4131 amp solid-II solid KA3525A DC-DC converter (SG3525) is located in the Filter section based on the bass opampli also tl074 DC-DC converter, the primary windings of the transformer circuit used; 2×6 2x type 9 secondary species (connected in parallel with wire Section 2 1mm) of the circuit diagram…
300W RMS power amplifier PCB drawing in the design of very high quality, very good but a complicated circuit layout + PCB drawing double-decker to be taken to the archive, though I don’t recommend it for beginners the value of the Operating voltage with symmetric +- 75v max. 80v overload, short circuit protection and preamfi…