More about preamp (157)

1-07-2009 | Jeff Macaulay’s excellent single valve ECC82/12AU7 'Hybrid Headphone Amp' (HHA) published in spurred the author to implement some mo...

1-07-2009 | The RF sweep frequency generator (‘wobbulator’) published in the October 2008 issue of Elektor has a receiver option that allows the instrum...

1-07-2008 | The reception quality achieved by ready-made DCF77 receiver boards tends to be proportional to their price. In areas of marginal reception (...

1-04-2007 | - Working with the dsPIC family- Optical encoder- Audio equipment- Solution to Hexadoku February 2007Corrections & Updates- MP3 Preamp- Ethe...

1-03-2007 | Explorer-16ECG using a SoundcardHelp batteries through the winterNixie clock parts sourcingProfiler (3)Spy Radio StationsCorrections & Updat...

1-02-2007 | There are still a lot of hobbyists who enjoy making high-quality live audio recordings of concerts, interviews, radio broadcasts, natural so...

1-07-2006 | The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier. Here the NE5532 is used, whose...

1-07-2005 | The technical demands on microphones used with radio equipment are not stringent in terms of sound quality: a frequency response from around...

1-03-2005 | The High-End Preamp preamplifier published in the April & May 2004 issues naturally calls for a matching final amplifier in an identical hou...

1-07-2004 | Here is a high performance RF amplifier for the entire VHF broadcast and PMR band (100-175 MHz) which can be successfully built without any...