Audio IC Projects. A Collection of Useful Circuits Based on - download pdf or read online

By Keith Brindley (Eds.)

ISBN-10: 0750621214

ISBN-13: 9780750621212

All the initiatives during this number of information documents offers a 'building block' which constructors can use to test with parts and use as a kick off point for additional improvement. This publication will therefore offer a toolkit for construction audio platforms and circuits in keeping with available parts utilizing simple techniques.

Maplin employees are skilled companies of venture rules with important beneficial properties and lots of purposes. all of the circuits during this e-book are established round on hand chips, and supply a good solution to familiarize yourself with the features of the chip in addition to supplying development information for helpful initiatives. every one comprises pinouts and pin designations, output waveforms, elements lists, circuit diagrams, PCB layouts and images of the forums. The tasks defined during this ebook are in keeping with these showing within the renowned facts records function in Electronics, the Maplin Magazine.

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S. 1% 99 dB 20 Hz to 25 kHz -3 dB Specifications of prototype 37 Audio IC projects Conditions Parameter Symbol Min Typ Max Supply voltage range pin 6 and pin 4 wrt pin 8 Closed loop voltage gain Input resistance Signal plus noise to noise ratio Supply voltage ripple rejection 'tot 60 mA Po 40 W Po 60 W Determined externally Determined externally Gc 30 dB R, 20 kQ P0 = 50 mW (S + N) -r N 82 dB / = 100 Hz SVRR 72 dB wrt = with respect to. 31 shows the module with the minimum power supply required, which consists of a transformer and bridge rectifier.

Decoupling close to the integrated circuit is also impor­ tant as this helps to prevent any instability that may 53 Audio IC projects occur. For optimum performance a regulated power sup­ ply should be used. The integrated circuit current consumption is very much dependant on the application in which the device is being used but is generally no more than a few milliamps. Printed circuit board A high quality printed circuit board with printed legend is available to aid the construction of three simple cir­ cuits using the LM13700.

1% 99 dB 20 Hz to 25 kHz -3 dB Specifications of prototype 37 Audio IC projects Conditions Parameter Symbol Min Typ Max Supply voltage range pin 6 and pin 4 wrt pin 8 Closed loop voltage gain Input resistance Signal plus noise to noise ratio Supply voltage ripple rejection 'tot 60 mA Po 40 W Po 60 W Determined externally Determined externally Gc 30 dB R, 20 kQ P0 = 50 mW (S + N) -r N 82 dB / = 100 Hz SVRR 72 dB wrt = with respect to. 31 shows the module with the minimum power supply required, which consists of a transformer and bridge rectifier.

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Audio IC Projects. A Collection of Useful Circuits Based on Readily Available Chips by Keith Brindley (Eds.)


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