The TDA7294 is a Hi-Fi amplifier and can give 100W RMS but with 10% distortion. Supplying 30 Volts you can have 50 Watts RMS with 1% distortion. Frequency range start at 16Hz and can reach 100KHz. Make sure you are using good heatsink. The chip supports mute function as well. 50W Hi-Fi amplifier Circuit Diagram A symmetrical 30V power supply is all its need to power the unit.
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Jumat, 12 April 2013
Sabtu, 06 April 2013
Posted by kumit on 17.45
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Amplifier with digital volume control can we make predictably because the circuit is made simple with just single chip TDA8551. The series of Mini Amplifier With Digital Volume Control is a type BTL amplifier with 1 Watt.Techniques for adjusting the volume in this series has been provided with a pin path control that is controlled by providing an input voltage VCC and GND. The series is also
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Senin, 01 April 2013
Posted by kumit on 15.45
with No comments so far
This is a design circuit for stereo encoder. This circuit is using BH1417 Stereo Encoder. This circuit using with pre-emphasis, limiter so that the music can be transmitted at the same audio level, low pass filter that blocks any audio signals above 15 KHz to prevent any RF interference and crystal based stereo encoder for stereo transmission. This is the figure of the circuit.The BH1417 single
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Jumat, 29 Maret 2013
Posted by kumit on 03.00
with No comments so far
Common electromagnetic relays with coil voltage of 5V, 6V or 12V can operate power circuits in the range of 250 to 300 volts and up to 20A. The actuating current of these relays is in the range of 50 to 100 mA. In many applications, such as temperature-controlled equipment, energisation/de-energisation of 5V, 6V or 12V relays for �on�/�off� control of the load is to be achieved by a few
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Senin, 25 Maret 2013
Posted by kumit on 09.45
with No comments so far
The
AN7147 Dual 5.3-watt Audio Power Amplifier from Panasonic is listed as
a �replacement type� so hopefully will be around for some time to
come. Together with some extra components, it can represent a simple
surround-sound system requiring no opamps or a negative voltage supply.
As shown by the circuit diagram the basic stereo amplifier is changed
into a surround-sound system by a
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