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  • 2 Watts FM transmitter

    2016-04-04 05:32:5162

    This is a nice 2 Watts FM transmitter. It has a Super-Sensitive pre-amplification with BC109 and BC177 with more than 100% signal modulation. The job f...

  • Voice Modulation Optical Transmitter Circuit

    2016-04-04 05:12:1167

    This circuit uses an operational amplifier and a transistor. According to the amplitudeof sound pickup device's output signal, it would do the amplitud...

  • Easy FM Tracking Transmitter circuit diagram

    2016-04-04 05:11:2763

    Easy FM tracking transmitter project . The circuit designed by Tony van Roon, and here the FM tracking transmitter diagram: Components List: R1 = 10K C...

  • Ultrasonic transmitter and receiver circuit with CA3140

    2016-04-04 03:47:0182

    Ultrasonic transmitter and recevier Welcome back to free circuit dot com,today we have the circuit example describes the ultrasonic remote control swit...

  • BU5814FT1 monolithic remote control transmitter integrated c

    2016-04-04 03:35:4560

    BU5814FT1 is a monolithic remote control transmitter integrated circuit.It's widely used in various remote control systems, such as DVD players, televi...

  • FM Transmitter circuit using 2N2222

    2016-04-04 03:18:0581

    The FM transmitter circuit is using NPN transistor 2N2222. The L1 and C1 producess necessary oscillations Q1.The collector capacity C4, R3 and R4 resis...

  • A small FM transmitter (SMD)

    2016-04-04 03:12:3763

    This SMD FM transmitter has an operating frequency of about 80 to 115MHz. Under reasonable circumstances you will be able to receive its signal at a di...

  • 49Mhz Fm Transmitter Circuit

    2016-04-04 02:27:5991

    This 49-MHz FM transmitter consists of an audio amplifier, a low-pass filter, three RF stages, and a regulated-dc power supply. The output is about 16 ...

  • 27Mhz and 49Mhz rf oscillator-transmitter

    2016-04-04 02:27:12109

    The modulator and oscillator consist of two NPN transistors. The base of the modulator transistor is driven by a bidirectional current source with the ...

  • Ir-transmitter

    2016-04-04 02:09:4362

    The transmitter consists of an oscillator which drives a high output IR emitting diode. The oscillator is a sJire start multivibrator circuit that prov...

  • Infrared transmitter

    2016-04-04 01:50:1269

    The ultra-simple one-transistor, IR transmitter shown is designed to transmit the sound from any 8 or 16 ohm audio source, such as a TV, radio, or tape...

  • FM radio beacon transmitter circuit

    2016-04-04 01:47:2174

    This article describes the FM radio beacon transmitter circuit. Schematics can combine text look better grasp of this principle. This circuit will tran...

  • Two Transistors FM Transmitter

    2016-04-04 01:26:1666

    Basically, this circuit is a radio frequency (RF) oscillator that operates around 100 MHz. The audio which is picked up and amplified by the electret m...

  • Mini MW Transmitter circuit diagram

    2016-04-04 01:21:1366

    The following is a circuit of a simple AM transmitter. This circuit is available in kit form and can work well. This circuit uses a combination of tran...

  • Remote FM Transmitter Display

    2016-04-04 01:14:0960

    This article is a remote FM transmitter display. By convention, in order to better grasp the principles you are, we recommend you to combine text read ...

  • Sensitive FM Transmitter Bug

    2016-04-04 01:10:4464

    This easy to build FM transmitter bug can transmit voice to exceptionally good range. Tune trimmer to hear the signal to your near radio. Transmitter f...

  • Two_wire_current_transmitter

    2016-04-04 00:57:5564

    This circuit has a 10- to 50-mA output for a 1-V input. The minimum operating voltage is about 12 V. The circuit can be used in 4- to 20-mA current-tra...

  • Infrared transmitter circuit schematic

    2016-04-04 00:54:0459

    This infrared transmitter use PWM, pulse width modulation The transmitter is equiped with LM 567, tone decoder circuit. Audio signal ( at least 50mVvv ...

  • FM transmitter schematic showing

    2016-04-04 00:31:0769

    This article is a FM transmitter works show. By convention, in order to better grasp the principles you are, we recommend you to combine text read sche...

  • IR_TRANSMITTER

    2016-04-04 00:09:5863

    This simple infra-red transmitter, where the PPM output from pin 2 of the SL490 is fed to the base of the PNP trasmitter TR1, produces an amplified cur...

  • Transmitter Fm 45w With Valve electronic circuit diagram

    2016-04-03 23:56:0263

    TECHNICAL CHARACTERISTICS: Tendency of catering: 220V AC Frequency of emission at FM: 88~108MHz Force of expense: max 45W (without the R3), Materially:...

  • Long range AM transmitter.

    2016-04-03 23:35:3672

    Description. Here is the circuit diagram of an easy to build long range AM transmitter circuit based on three transistors.With correct tuning and a mat...

  • Simple AM Transmitter Circuit

    2016-04-03 23:20:0765

    AM transmitter circuit that can transmit your audios to your backyard.This circuit is designed with limited the power output to match the FCC regulatio...

  • Show FM Transmitter - 4 watts

    2016-04-03 22:33:1464

    The following show is a 4 w FM transmitter circuit. The circuit is very simple, and very practical. Recommend Duokanjibian The schematic in order to ma...

  • CGO602CESA Single-Chip Remote Control Transmitter Integrated

    2016-04-03 22:26:0161

    The CGO602CESA is a single-chip remote control transmitter integrated circuit which can be used in many kinds of remote control systems such as TV set,...

  • Beacon-transmitter

    2016-04-03 22:06:2262

    This transmitter can be used for transmitter hunts, for remote key finding, or for radio telemetry in model rockets. It can be tuned to the two meter b...

  • 735_MC_CRYSTAL_CONTROLLED_TUNNEL_DIODE_TRANSMITTER

    2016-04-03 21:51:0161

    Self-modulated low-power oscillator for remote-controlled toys, trains, and garage doors can also be voice-modulated. Range is about 200 yards, and bat...

  • 25_watt_AM_transmitter_designed_for_118_MHz_to_136_MHz_opera

    2016-04-03 21:07:2667

    2.5-watt AM transmitter designed for 118 MHz to 136 MHz operation (courtesy Motorola Semiconductor Products Inc.)....

  • A simple micro power transmitter field intensity indicator c

    2016-04-03 21:01:1562

    This circuit is a simple field intensity indicator, which is very sensitive for micro-power signal. Because the circuit is only used for the relative f...

  • Experimental data transmitter for fiber optics CIRCUIT (CD40

    2016-04-03 20:13:1874

    This article describes the Experimental data transmitter for fiber optics CIRCUIT (CD4093). The content is very simple, very helpful. Components in thi...

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