Circuit Project Electronic

LM3886 Gainclone 2x 68W Full Amplifier Project
Monday, July 20th, 2009

These are the parameters that we are intereted in. Honestly this values are much more better than many of HI-FI amplifiers sold in the market. Especially it is hard to find 110dB signal to noise ratio. And another property is, when there is no input, this amplifier is quite like a dead. It is nearly [...]

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RIAA compensated stereo preamp with NE5532
Monday, June 8th, 2009

If your stereo amplifier does not have an input for a record player, you should use this circuit between your turntable and your amplifier. The output of your turntable follows a gain-bandwidth curve called the RIAA compensation curve. The standard AUX input on your stereo does not. Records will sound very strange without an RIAA [...]

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STA505 2X50 Watt Audio Amplifier
Friday, May 22nd, 2009

STA505 is a monolithic quad half bridge stage in Multipower BCD Technology. The device can be used as dual bridge or reconfigured, by connecting CONFIG pin to Vdd pin, as single bridge with double current capability, and as half bridge (Binary mode) with half current capability.
The device is particularly designed to make the output stage [...]

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