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  • HT8656 record and playback integrated circuit

    2014-11-10 04:05:50119

    In the HT8656 record and play back voice IC there is a sound auto-detection circuit.When the circuit is in a wait state, the microphone receives a soun...

  • TDA2030 200 watt amp electronic circuit

    2014-11-10 03:07:58333

    This TDA2030 200 watt amp low cost audio power amplifier can deliver high output audio power up to 200 watts on a 2 – 4 ohms load impedance  . This ...

  • HA13118 18 W audio amplifier circuit

    2014-11-09 23:08:02218

    This amplifier circuit diagram is a class AB audio power amplifier based on the Hitachi HA13118 audio integrated circuit . The Hitachi HA13118 audio a...

  • TDA7296 audio amplifier 30W ( 60W maxim )

    2014-11-09 19:40:04269

    This 30W 60W audio amplifier is based on TDA7296 integrated audio amplifier. The 30W 60W audio amplifier based on TDA7296 audio power amplifier ic from...

  • Microphone preamp schematic circuit

    2014-11-09 19:23:42563

    This effective, fixed-gain transformerless microphone preamp schematic amplifies differential signals from low impedance microphones by 50 dB, and has ...

  • TDA1515 audio power amplifier circuit

    2014-11-09 17:11:15463

    A  very simple low cost that require few external components can be build using the TDA1515BQ monolithic integrated class-B  circuit desined in a 13-...

  • M5226 graphic audio equalizer

    2014-11-09 14:18:23311

    The M5226 integrated circuit is manufactured by Mitsubishi electric and is specially designed for graphic audio equalizer .  The M5226 graphic audio e...

  • High-precision Analog Signal Isolating Amplifier

    2014-11-09 12:00:0183

    Typical applications:Direct current/voltage signal's isolation, transformation and amplication.Industrial site signal's isolation and long-term transpo...

  • 40, 70 watt power audio amplifier using TB2922HQ

    2014-11-09 08:03:43123

    Using the TB2922HQ audio power IC can be designed a very simple and high efficiency power audio amplifier electronic project . TB2922HQ is 2ch BTL audi...

  • Visitor Identified Doorbell Circuit

    2014-11-09 06:34:2283

    Here, a visitor could be a family member, an acquaintance or a stranger. The reason why the doorbell can differentiate the identity of visitors is not ...

  • The bus station series indicator circuit

    2014-11-09 06:26:1282

    The circuit consists of the 555 single stable time delay circuit, a counter IC2, a decoding displayer IC3, a delay stereo circuit and so on. The single...

  • STA550 70+70 watts audio amplifier

    2014-11-09 05:37:13307

    This audio amplifier circuit diagram is based on the STA550 fully integrated power module designed to implement a BASH® amplifier when used in conjunc...

  • Microphone amplifier circuit using MAT02

    2014-11-09 04:32:08125

    This microphone amplifier circuit electronic project is designed using MAT02 dual monolithic transistor and few passive electronic components .This mic...

  • TDA7053 stereo audio amplifier circuit

    2014-11-09 02:06:02288

    This audio amplifier circuit is a stereo audio amplifier based on the TDA7053 integrated class-B stereo power amplifier IC . Tda7053 is packaged in a 1...

  • 1.2 watt audio power amplifier using NJU7089

    2014-11-09 00:39:0884

    Using the NJU7089 audio power amplifier integrated circuit can be designed a very simple audio amplifier electronic project that can be used in telepho...

  • KA22427--the AM tuning/FM INTREQ radio integrated circuit

    2014-11-09 00:23:36735

    1.the internal circuit and pin functions of KA22427 The AM part of KA22427 includes all the circuit between AM aerial input and detection output; the F...

  • TA8122AN and TA8122AF--the single chip reception integrated

    2014-11-08 18:53:02149

    TA8122AN/AF is the single chip reception integrated circuit produced by Toshiba, which is used in all kinds of stereo reproducing circuits, such as car...

  • Touch Diphonia Doorbell Circuit

    2014-11-08 18:32:4189

    As shown in the figure, the touch daphnia doorbell does not have a button, but has a pair of touch slices as the starting switch. When one’s hand tou...

  • LM4940 6W audio amplifier

    2014-11-08 17:33:16301

    This audio power amplifier circuit diagram is based on the LM4940 dual audio power amplifier primarily designed for demanding applications in flat pane...

  • U450B electronic buzzer siren circuit diagram

    2014-11-08 16:56:53123

    Using integrated circuit U450B manufactured by Telefunken can be made a very simple electronic buzzer siren. The integrated circuit U450B is a sequence...

  • The BA532 audio power amplifier circuit

    2014-11-08 13:56:12281

    BA532 is a low-frequency power amplifier circuit which is used in OTL circuits, its output power is 5.8w, and there is the loading short, over-voltage ...

  • SM2375 class D audio amplifier circuit

    2014-11-08 11:41:27140

    SM2375 is an integrated class D audio amplifier circuit capable to provide a maximum output power of 3 watts into a 3 watts load or 1.4 watts into a 8 ...

  • TDA2822 power amplifier

    2014-11-08 10:42:11373

    TDA2822 power amplifier is a monolithic integrated circuit in 12+2+2 powerdip, intended for use as dual audio power amplifier in portable radios and TS...

  • TA8109AF--the reception INTREQ integrated circuit

    2014-11-08 08:35:0670

    TA8109AF is a FM INTREQ and AM reception integrated circuit, which is widely used in all kinds of low-voltage radios and walkmen.1.function featuresTA8...

  • Audio Distribution ( TL06 , TL064 )

    2014-11-08 06:01:15362

    This audio distribution circuit electronic project can be designed using the TL064 or TL06 operational amplifiers and some other common electronic part...

  • MAX9820 stereo headphone amplifier

    2014-11-08 05:20:47169

    Maxim Semiconductor introduced the MAX9820 Windows Vista®-compliant stereo headphone amplifier designed for portable equipment . The M9820 require few...

  • DS1802 digital potentiometer project

    2014-11-08 02:58:48320

    The DS1802 is a dual audio taper-potentiometer manufactured by Dallas Semiconductor . The DS1802 digital potentiometer can be used for replacement of n...

  • BAll02FS-the integrated Dolby B noise reduction circuit

    2014-11-08 02:14:08223

    BAll02FS is an integrated Dolby B noise reduction circuit of single door produced by Toyo Power Tool Corp., Japan, which is widely used in all kinds of...

  • LM48510 1.2W audio amplifier

    2014-11-08 00:40:36104

    This audio amplifier circuit shown in this schematic is based on LM48510 high efficiency Class D audio power amplifier which provide 1.2W continuous po...

  • The motor overheating language newspaper called circuit

    2014-11-07 22:41:0875

    It is composed of temperature sensor, electronic switch circuit and language utterance circuit. When motor fails to run in the hot season or at room te...

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