A TECHlog on Electronics, Semiconductors, VLSI, ASICs, SoCs, FPGAs, Design, Verification, Gadgets and more...

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Latest Blog Posts for Electronics

  • NGW100 AVR32 SDK modified from tolchain216
    on Jul 5, 2010
    I recently started programming for avr32, for this reason I bought a motherboard NGW100, searching the internet for AVr32 AP7000 documentation I found the package libraries and drivers tolchain216, looking through it I noticed that this is not too ar...
  • 1.25V to 25V 1.5A LM317 Power Supply
    on Jul 4, 2010 in LM317
    Description This simple LM317 (three terminal voltage regulator) power supply is giving an adjustable voltage output of 1.25V to 25V and capable of delivering 1.5A. You can adjust the output voltage by turning the 5 kΩ potentiometer.A 250V - 3A fuse...
  • +12V -12V 5A Regulated Power Supply by LM338
    on Jul 4, 2010 in LM338 power supply
    My “regulated monster” is currently running 0.5-0.6 Amps bias per Hiraga’s recommendations in the article. I tested the power supply which you may recognize as the PCB for the John Linsley-Hood simple Class A amplifier 1996 version from William...
  • DC 12V to DC 6V-7.5V-9V Converter using 2N3055This circuit is DC to DC converter model step down voltage. That can modify voltage input 12V DC from be DC 6V , 7.5V and 9V by have the size current about 1A – 2 Amp think. Be easy circuit use Zener diode maintain one’s position voltage. Be stab...
  • LM338 Power Supply , 5A Adjustable Voltage Power Supply using LM338
    on Jul 4, 2010 in LM338 power supply
    Here’s a variable voltage power supply circuit using a LM338 adjustable 3 terminal regulator to supply a current of up to 5A over a variable output voltage of 2V to 25V DC. It will come in handy to power up many electronic circuits when you are as...
  • Temperature Recorder Built Around PIC12F683 Microcontroller
    on Jul 4, 2010 in Others
    Overview A Microchip PIC12F683 microcontroller is utilized in this project along with a serial EEPROM and a thermistor in order to produce a temperature recorder device. Details Up to 32000 measurements can be stored by the 32kBytes EEPROM as the tem...
  • The multi-purpose Amplifier using TDA2030
    on Jul 4, 2010 in TDA2030
    This The multi-purpose Amplifier using TDA2030. It is have power 8 watt (RMS) at 8 ohm loudspeakers. It is have low noise be valuable THD (Total harmonic distortion) 0.1% , When friends use Power supply Voltage Source 28 Volt at 4 ohm loudspeakers ha...
  • G4 MDD ATX Power Supply Conversion
    on Jul 4, 2010 in Others
    G4 MDD ATX Power Supply Conversion A friend of mine recently passed on to me a Dual G4 1.25GHz MDD. The machine itself is a bit old by today’s standards, but can still run Leopard and could be a nice addition to any home office. Upon opening...
  • TDA2030 8w Amplifier
    on Jul 4, 2010 in Active Filter Amplifier
    Description: An 8 watt amplifier made with the TDA2030 IC. Built two such units for a stereo amplifier. Notes Although the TDA2030 is capable of delivering 20 watts of audio power, I deliberately reduced the output to about 8 watts to drive 10 watt...
  • DC power supply 5V and 12V using 2N3055-LM309
    on Jul 4, 2010 in 2n3055 power supply
    This be DC power supply regulator circuit be simple. That can give voltage come out 12V and 5V by use part base be Transistor 2N3055 and Zener Diode 12V. Make can take volt can reach about 15V maintain one’s position voltage be stable 12V well. And...
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