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Electronic circuits


Audio
Power amplifiers, preamplifiers and equalizers
  • "Unburned" UNCH for Autoradio tape recorder

  • 105 W simple and high-quality amplifier

  • 120-watt power amplifier

  • 25 Watt MosFet Audio Amplifier

  • 300W Subwoofer Power Amplifier

  • 5 band stereo equalizer

  • 50 Watt Amplifier

  • 55W (Originally 75W) Power Amplifier

  • Amplifier 112 W for subwoofer

  • Amplifier of Hi-fi on field transistors

  • Amplifier of power with the field transistor as a source of current for an entrance cascade and elements of simmetrirovaniya of output cascade

  • Amplifier of power, executed on a bridge circuit

  • Amplifier on a base A2030

  • Amplifier with IC TA8251AH (TA8255AH)

  • Amplifier with small distortions

  • Amplifier with STK40**

  • Amplifier with TA8215H-A

  • Amplifier with TDA1557Q

  • Amplifier with TDA2025

  • Amplifier with TDA2030A

  • Amplifiers with TDA1558

  • Audiooptical insulator

  • Automatic disconnecting of amplifier from a network

  • Automatic selector of input signals of amplifier

  • Conception of constructing of modern lamp sound amplifiers

  • Digital 4th channel regulator for an amplifier with TDA7313.

  • Digital equalizer and kompressor-limiter with a management through the PC

  • Digital regulator of volume

  • Digital regulator of volume with DS1669

  • Dividing filters for building in magnitola

  • Effect of Surround

  • Equalizer

  • Equalizer with passive filters

  • Graphic equalizer on girators

  • High-quality but simple 120W bridge amplifier

  • High-quality Pre-amplifier

  • High-quality preamplifier

  • High-quality sound amplifier for a computer

  • Home-made amplifier on TDA 7294

  • Indicator of launch power

  • Indicator of level of record with logarithmic scale

  • Indicator of level of sound signal

  • Intermediate amplifier for the sound card of computer

  • Lamp amplifier on EL-34

  • LED indicator of level of signal on AN6884

  • Light-emitting diode's indicator of level

  • Logarithmic indicator of level for an amplifier

  • Low freq. digital sinus generator with the step of net 0,01 Hz

  • Microphonic amplifier

  • Motor-car amplifier 2x40 W

  • Multibar equalizer without filters

  • Parametric equalizer

  • Phaseinvertor for a bridge amplifier

  • Power Amplifier 18W (low cost)

  • Power amplifier class A

  • Power amplifier for audio player

  • Power amplifier for autoradio tape recorder (bridge)

  • Power amplifier of class B with the correction of distortions from the use of direct connection

  • Power amplifier on the base of operating amplifier KP544UD2

  • Power amplifier on the IC РАхх

  • Power Amplifier on transistors with complete symmetry of shoulders for both semiwaves of the strengthened signal and with a double differential cascade on an entrance

  • Power amplifier TDA 1562 - 70 W

  • Power amplifier with a balansnym differential entrance cascade

  • Power Amplifier with IC TDA 2025

  • Powerful lamp amp with multiloop negative back connection

  • Preliminary amplifier on KM551UD2

  • Regulator of volume

  • Regulator of volume on optron

  • Regulators of timbre, volume and stereobalance

  • Simple and high quality Power Amplifier

  • Simplest 100-watt power amplifier

  • Simplified variant of power amplifier circuit on transistors

  • Simplified variant of power amplifier class B

  • Smooth power on of amplifier

  • Sound amplifier for computer's subwoofer

  • Sound power amplifier (80 W)

  • Stereo power amplifier (2x22) on IC TDA1555 (TDA1558)

  • Stereoamplifier with TDA7050

  • Stereophonic regulator of volume and timbre with TDA1524

  • Subwoofer on the basis of loud speaker with two spools

  • Tape recorder amplifier

  • Updated 60-100W Hi-Fi Power Amplifier

  • Wide range amplifier with small distortions

    Total 83 pages


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