Latest Blog Posts for Electronics Now!

• Design Electronics Circuit Diagram Schematics - Constant Current Amplifier
  on Jan 29, 2013 in Power Amplifier Constant Current Amplifier LM3886 OP-AMP Design Electronics Circuit Schematics Diagram
  Continue past article, the constant current amplifier. Time we will discuss design electronics circuit diagram schematics - constant current amplifier is somewhat unique when viewed from the definition itself, I would give a little reference and...
• Constant Current Amplifier
  on Jun 14, 2012 in Schematics Class A Power Amplifier Constant Current Amplifier
  A few days ago my friend came to the house, he shows the constant current amplifier schematics he found in http://www3.ocn.ne.jp/ ~ tima / products / ccamp / ccamp.html. We discuss and discuss until a few days. My friend kept us curious and eager to...
• Fet Buffer for amplifiers
  on Jul 8, 2011 in Buffer Resources Design
  source: http://cappels.org/dproj/edfet/edfet.html The EDFET drives like a FET, but with the bias stability of bipolar. Amps of output current can be controlled by milliamps of input current. The current gain is a design choice dictated by bandwidth.
• Design Buffers: Improved unity-gain follower delivers fast, stable response
  on Jul 8, 2011 in Buffer Resources Design
  Robert A Pease, National Semiconductor Corp -- EDN, June 27, 2011 Heavy load capacitance can cause the output of a unity-gain follower—an operational amplifier with direct feedback to the inverting input (Fig 1)—to ring and oscillate. The LM110 f...
• TURBO: A series of bipolar transistor amplifiers
  on Jul 6, 2011 in Schematics Power Amplifier Turbo
  25 Watt to 100 Watt, the range of TURBO is broad enough to satisfy everyone's needs. These amplifiers are still valid and will satisfy lovers of the "bipolar" and those wishing to embark on the realization of a way "serious" quality. In November 198...
• Bootstrap Buffer Based Preamp
  on Jul 6, 2011 in Buffer Schematics Pre Amplifier
  I have been playing with a number of variations of the circuit as a free standing preamp, headphone amp, 321/729 replacements and as a potential active crossover, any and all of which may happen if there is demand. There has been strong interest in a...
• 50 watts transistor amplifier
  on Jul 6, 2011 in Schematics Power Amplifier BC639
  The amplifier and speakers that can handle medium-power is designed to provide a strictly amateur. Accidental overloads can damage the speakers, it is not appropriate for small systems. What amp settings do not contain an element of the first connec...
• 100 Watt Audio Power Amplifier
  on Nov 13, 2010 in Schematics Power Amplifier BDW83D BDW84D
  This is an exceptionally well designed amplifier, with a lot of power reserve, high fidelity, low distortion, good S/N ratio, high sensitivity, low consumption and full protection. Having all these almost ideal characteristics this amplifier is l...
• Compact High-Performance 12V 20W Stereo Amplifier
  on Nov 6, 2010 in TDA7377 Schematics Power Amplifier
  Amplifiers which run from 12V DC generally don’t put out much power and they are usually not hifi as well. But this little stereo amplifier ticks the power and low distortion boxes. With a 14.4V supply, it will deliver 20 watts per channel into...
• Identify IC TDA7293 and TDA7294 Fake or Original
  on Nov 3, 2010 in TDA7294 TDA7293 IC
  TDA7293 and TDA7294 is a common feature of the bootstrap capacitor is not installed work as usual, which gives an opportunity for unscrupulous traders to provide fake, counterfeit goods market is the most polished printed for the TDA7294 TDA7293, fro...

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