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  • 27MHz Fm Narrow Band transmitter

    2016-04-07 04:12:1176

    NBFM or Narrow Band Frequncy Modulation is used in this 27 MHz fm transmitter circuit schematic. This circuit is an application by Motorola MC2833 VHF ...

  • PLL FM Transmitter using LMX1601, ATtiny2313 AT90S2313

    2016-04-07 03:57:3460

    Heres a PLL FM Transmitter using LMX1601, ATtiny2313 or AT90S2313 microcontrollers. The common characteristic of all of the previous low power FM trans...

  • BA1404 FM stereo transmitter

    2016-04-07 03:27:2659

    BA1404 is a IC designed for fm mini stereo transmitters. It can be used as a pc fm transmitter, ipod fm transmitter, mp3 transmitter or even car fm tra...

  • Transmitter and Receiver Closed Loop Tracer

    2016-04-07 03:01:3093

    A closed-looped pre-distortion system may include a receiver that calculates the pre-distortion coefficients and transmits these coefficients back to t...

  • ACOUSTIC_SOUND_TRANSMITTER

    2016-04-07 02:03:2961

    Pulsed sound is produced by this circuit. U1 is used as a bistable multivibrator, which acts as a contact debouncer for S1. C1 feeds a trigger pulse to...

  • MINIATURE_F_M_TRANSMITTER

    2016-04-07 01:51:1763

    Single 2N499 transistor performs functions of r-f oscillator, frequency modulator, and audio amplifier for tiny portable transmitter having range of 20...

  • FM Tracking transmitter

    2016-04-07 01:46:3964

    Description. The circuit presented her will transmit a audio tone in the FM? band. The circuit can be used as a tracking signal transmitter or a remote...

  • AM Transmitter Circuit

    2016-04-07 01:05:0962

    Simple Quality AM Transmitter Circuit TheAM transmitter circuitis designed to work on the broadcast band (530KHz-1700KHz). This is a high quality AM tr...

  • SIMPLE_IR_TRANSMITTER

    2016-04-07 00:55:0059

    The IR diode's flash rate is determined by the value of C1, a 220-μF capacitor that sets the rate of oscillation at 1 Hz per second. Reducing C1 will ...

  • A miniature FM transmitter circuitry

    2016-04-07 00:51:3594

    The following demonstrates a miniature FM transmitter circuit. The circuit is very simple, and very practical. Recommend Duokanjibian The schematic in ...

  • Resistance Thermometer Current Loop Transmitter

    2016-04-07 00:42:3559

    Resistance temperature sensor(RTD, resistive temperature device)? comes inNTC(negative temperature coefficient) andPTC(positive temperature coefficient...

  • 5 Watt Transmitter

    2016-04-07 00:30:5762

    This is a very simple 5 watt CW TX based upon a TTL logic chip. There is just one tricky component and this is Cx. This component should have an impeda...

  • Radio Collar Transmitter

    2016-04-06 23:26:1561

    Radio Collar Transmitter Description This is the circuit diagram of a radio transmitter suitable for fitting on radio collars.The circuit transmits a p...

  • LED Transmitter Linearity-Control Circuit

    2016-04-06 22:04:4959

    In analog system, the LED's linearity is required highly. But the linearity is different for different LED and the linearity would change as the temper...

  • 20M Cw Transmitter Circuit

    2016-04-06 21:40:3374

    The transmitter has a VXO circuit to drive an amplifier that is keyed. The keyed amplifier drives an MRF 476 final amplifier, which delivers about 2-W ...

  • 1.5-V FM Broadcast Transmitter

    2016-04-06 21:33:3466

    The objective of this 1.5V FM Broadcast Transmitter design is to provide a simple low-power transmitter solution for broadcasting audio from various au...

  • A miniature FM transmitter display

    2016-04-06 21:31:4862

    Next is a miniature FM transmitter display. In order to get a little tuning coil can put 4-40pF trimmer capacitor (optional) parallel in 1H coil, L1. C...

  • Versatile FM Transmitter

    2016-04-06 21:07:5760

    Description. H ere is the circuit diagram of a versatile FM transmitter that doesnt have a coil. The circuit is simple and easy to assemble. The gate N...

  • 2 Watt FM Transmitter

    2016-04-06 20:37:4868

    2 Watt FM Transmitter This 2 Watt FM transmitter will provide 10km range in good weather conditions. Use dipole antenna for maximum range. Transmitter ...

  • Spy phone transmitter

    2016-04-06 20:26:4361

    Here is a very simple telephone broadcaster or transmitter which can be used to eavesdrop on a telephone conversation. The circuit can also be used as ...

  • Show medium-range transmitter circuit

    2016-04-06 19:41:1960

    The following shows a medium-range transmitter circuit. The circuit is very simple, and very practical. Recommend Duokanjibian The schematic in order t...

  • Fm-multiplex-transmitter

    2016-04-06 19:15:4962

    This transmitter has a range of up to 100 feet. It generates a complete multiplex stereo signal and is useful for cordless headphone applications in wh...

  • MIC Bias Circuit-1.5km Single-Tube FM Radio MIC Transmitter

    2016-04-06 19:04:2762

    The picture 1 is a typical 1.5km single-tube FM radio MIC transmitter circuit. This circuit's key components is emission triodes which always are the D...

  • Quality FM-TV micro transmitter 40-200 Mhz

    2016-04-06 18:48:3463

    This Transmitter can be powered by a battery 9V (not more than 12V). You can connect your music source where the microphone is or use a simple condense...

  • PULSE_FREQUENCY_MODULATED_IR_TRANSMITTER

    2016-04-06 18:39:0360

    Schematic diagram for the pulse frequency-modulated LED transmitter. Adjust the frequency by rotating R1. With components shown, the frequency range is...

  • FOOTBALL_HELMET_TRANSMITTER

    2016-04-06 17:48:2759

    Impact data sensed by accelerometer in helmet is, transmitted to sideline receiver by f-m/f trans-miller. Use of subcarrier oscillator makes transmitte...

  • FM Transmitter Circuits-The BIG List

    2016-04-06 17:38:3465

    Over years we have developed a number of FM transmitter circuits with various aspects. Today I thought of listing all of them here as a single web page...

  • AMATEUR_TRANSMITTER_ABSORPTIVE_FILTER

    2016-04-06 17:37:0259

    This filter diverts harmonic energy above 30 MHz to a dummy load and dissipates it as heat instead of reflecting it back to the transmitter. The absorp...

  • Stereo FM transmitter

    2016-04-06 17:08:0561

    PLL Stereo FM transmitter circuit. BH1417 IC The circuit shown here is of a good Stereo FM transmitter that can transmit high quality signals up to a r...

  • 27_MHz_AND_49_MHz_RE_OSCILLATOR_TRANSMITTER

    2016-04-06 16:35:2361

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

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