Receba informações atualizadas sobre Microeletrônica.

Projetos de Circuitos Eletrônicos para Diversas Aplicações de Áudio


  1. 1.5V Audio Amplifier
  2. 3 Transistor Audio Amp (50 milliwatt)
  3. 3-Band equalizer
  4. 555 Tone Generator (8 Ohm Speaker)
  5. 6-Input mixer
  6. Active Sub-Woofer and Controller
  7. Amplified ear
  8. Amplifier thermal protection
  9. Amplifier timer
  10. Analog VU meter
  11. Audio frequency meter
  12. Audio graphic equaliser
  13. Audio level indicator
  14. Audio line isolator
  15. Audio mixer
  16. Audio notch filer
  17. Audio Signal Source
  18. Automatic Charger for Battery Operated Hi-Fi Preamps
  19. Automatic gain control (AGC) circuits
  20. Balanced Line Driver & Receiver
  21. Bell ring generator
  22. Bias circuits
  23. Bridging Adapter For Power Amplifiers
  24. Bull Horn
  25. CMOS IC audio oscillator
  26. Code practice oscillator
  27. Condenser microphone hookup
  28. Digital Delay Unit For Surround Sound
  29. Digital noise generator (PDF)
  30. Digital volume control
  31. Direct Injection Box for Recording & PA Systems
  32. Doorphone intercom
  33. Dual Voltage Controlled Filter w/Modulator
  34. Dual Voltage Controlled Oscillator w/Modulator
  35. Dynamic microphone to electret microphone input
  36. Electret microphone powering circuits
  37. Electronic canary
  38. Electronic siren
  39. Electronic siren
  40. Electronic whistle
  41. Fast Audio Peak Limiter
  42. FET audio mixer
  43. High Quality Sound Mixer
  44. Improved PL tone decoder
  45. Intercom preamp
  46. Line level signal to microphone input adapter
  47. Linkwitz Cosine Burst Generator
  48. LM358 preamp
  49. Load Sensing Automatic Switch
  50. Loudspeaker Protection and Muting
  51. Low Frequency Sinewave Generator
  52. Low Noise Balanced Microphone Preamp
  53. Low Noise Microphone Preamplifier
  54. Low Power Op-Amp - Audio Amp (Intercom)
  55. Magnetic cartridge amplifier
  56. Microphone mixer
  57. Microphone phantom power supply
  58. Minimalist Discrete Hi-Fi Preamp
  59. MS Stereo Decoder
  60. MS Stereo Microphone
  61. Noise generator
  62. Paradoxical Sound Syntheizer
  63. Parametric And Sub-Woofer Equaliser
  64. Peak reading audio level meter
  65. Phase shifter
  66. Phono Preamps For All
  67. Power Amplifier Clipping Indicator
  68. Precision audio millivoltmeter
  69. RIAA Equalized Stereo Phono Preamp
  70. Room noise detector
  71. Signal Detecting Auto Power-On Unit
  72. Simple amplifier
  73. Simple Surround Sound Decoder
  74. Simple two line output combiner
  75. Simplest Ever Amplifier Bridging
  76. Sine wave generator
  77. Six-channel Mixer and Amplifier
  78. Sound detector
  79. Sound level meter
  80. Sound Mixer/Amplifier
  81. Speaker Microphone Circuit
  82. Speaker signals to line level inputs
  83. Spring reverb unit
  84. Stereo Ducker
  85. Stereo line driver
  86. Stereo Width Controllers
  87. Subwoofer Equaliser
  88. Surround Sound Decoder Mk2
  89. Three band Active Tone Control
  90. Tone control
  91. Tone control
  92. Tone detector
  93. Tone display system
  94. Tone generator
  95. Tube active crossover
  96. Tube amplifier
  97. Twin-T Audio Sine Wave Oscillator
  98. Two-tone siren
  99. Underwater microphone
  100. Use amplifier phono input as line level input
  101. Variable Amplifier Impedance
  102. Various tube crossover circuits
  103. Very loud beeper (PDF)
  104. Voltage controlled amplifier
  105. Voltage Controlled Mixer w/Modulator
  106. Voltage Controlled Panner
  107. VU And PPM Audio Metering
  108. Warbler

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