Circuit Diagram

Active Mixer 1

Published:2013/2/19 20:41:00 Author:muriel | Keyword: Active Mixer

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Veronica Stereo Encoder

Published:2013/2/19 20:38:00 Author:muriel | Keyword: Veronica Stereo Encoder

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2 Transistor FM Transmitters

Published:2013/2/19 20:37:00 Author:muriel | Keyword: 2 Transistor , FM Transmitters

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0.1V differential amplifier

Published:2013/2/19 20:36:00 Author:muriel | Keyword: 0.1V, differential amplifier

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simple power converter

Published:2013/2/19 20:25:00 Author:muriel | Keyword: simple, power converter

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NJM2035 - HI-FI Stereo Encoder / Multiplexer

Published:2013/2/19 20:24:00 Author:muriel | Keyword: NJM2035, HI-FI Stereo Encoder, Multiplexer

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Professional Stereo Encoder

Published:2013/2/19 20:23:00 Author:muriel | Keyword: Professional Stereo Encoder

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An Inexpensive Tone Encoder

Published:2013/2/19 20:22:00 Author:muriel | Keyword: Inexpensive Tone Encoder

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IMPROVED PL TONE ENCODER

Published:2013/2/19 20:20:00 Author:muriel | Keyword: IMPROVED , PL TONE , ENCODER

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Pira CZ Stereo Encoder for FM broadcasting 2

Published:2013/2/19 20:19:00 Author:muriel | Keyword: Pira CZ, Stereo Encoder, FM broadcasting

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Pira CZ Stereo Encoder for FM broadcasting

Published:2013/2/19 20:19:00 Author:muriel | Keyword: Pira CZ , Stereo Encoder, FM broadcasting

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A Hierarchical Priority Encoder

Published:2013/2/19 20:18:00 Author:muriel | Keyword: Hierarchical Priority Encoder

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BH1415 Stereo Encoder

Published:2013/2/19 20:16:00 Author:muriel | Keyword: BH1415 , Stereo Encoder

This is the latest BH1415 Stereo Encoder design from RHOM that includes a lot of great features in one small package. It comes with pre-emphasis, limiter so that the music can be transmitted at the same audio level, low pass filter that blocks any audio signals above 15KHz to prevent any RF interference and crystal based stereo encoder for stereo transmission.BH1415 can be supplied with 6 - 15V voltage, consumes only around 25mA while providing very sound quality and improved 40dB channel separation. BH1415 is only available in SOP22 IC case and this may be an inconvenience for some folks. On the other hand, because the chip is smaller than regular DIP-based ICs it is possible to fit the entire stereo coder on a small PCB.BH1415 requires 7.6MHz crystal oscillator which is pretty hard to find. The good news is that you can find 7.6MHz crystal in our electronics online store.   (View)

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main fuse-panel emergency lights

Published:2013/2/19 20:12:00 Author:muriel | Keyword: main fuse-panel, emergency lights

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Emergency Lights 2

Published:2013/2/19 20:10:00 Author:muriel | Keyword: Emergency Lights

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Emergency Lights 1

Published:2013/2/19 20:10:00 Author:muriel | Keyword: Emergency Lights

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Low cost / Automatic Emergency Light

Published:2013/2/19 20:09:00 Author:muriel | Keyword: Low cost, Automatic , Emergency Light

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Backup Lamp

Published:2013/2/19 20:05:00 Author:muriel | Keyword: Backup Lamp

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Simple Electronic Lock Project

Published:2013/2/19 20:04:00 Author:muriel | Keyword: Electronic Lock

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The detection and alarm device circuit with laser rod

Published:2013/2/19 1:00:00 Author:Ecco | Keyword: detection , alarm device, laser rod

Analog sound ICs form a receiving circuit, usually the laser emitted by laser rod is irradiated on photoresistor RG, RG shows low resistance, the transistor VT1 is cut-off because of base's low potential, then IC does not work, speaker Y does not emit sound. Once a person or object comes into the alert zone, RG resistance increases due to the less than light, VT1 base potential rises to get saturated conduction, then IC is energized.   (View)

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