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  • 1.5 Watt FM Transmitter

    2016-04-03 11:20:5164

    1.5 Watt FM Transmitter Presented here is a 1.5 Watt FM Transmitter. A transmitter is an installation in which electrical oscillations are generated by...

  • The principle of stereo FM transmitter

    2016-04-03 10:36:1661

    This article describes a stereo FM transmitter works. The principle is simple there, we recommend that combine text carefully read the complete schemat...

  • DTMF_INFRARED_TRANSMITTER

    2016-04-03 10:20:4460

    This transmitter uses a 5089 DTMF generator chip and a keypad to generate DTMF signals and modulate them on an IR light beam from an IR LED. Xtal is a ...

  • Single Chip FM Transmitter, For Short Range Application

    2016-04-03 10:07:0465

    The FM transmitter circuit here works in the broadcast band 88 to 108MHz, and can be used to broadcast audio signals for remote listening. The output p...

  • 902Mhz-cw-transmitter

    2016-04-03 09:49:4463

    The oscillator, Q1, is a standard overtone circuit. A fifth-overtone crystal, 80.545 MHz, is operated on the seventh overtone, 112.763 MHz. C6 couples ...

  • 49_MHz_FM_TRANSMITTER

    2016-04-03 09:39:3960

    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 ...

  • Foxhunt transmitter circuit

    2016-04-03 09:19:3160

    This 2 meter 144 MHz fox hunt transmitter is used in amateur competitions where a hidden transmitter is to be hunted using mostly homebrewed receivers ...

  • The principle of an FM transmitter

    2016-04-03 08:13:5862

    Next is an FM transmitter schematic presentation. Schematic showing below. In order to get a little tuning coil can put 4-40pF trimmer capacitor (optio...

  • 6_W_ECONOMY_MORSE_CODE_TRANSMITTER_FOR_7_MHz

    2016-04-03 07:40:2262

    The vacuum tube is still alive and useful in some applications, as in this CW transmitter. The circuit was built in old-fashioned breadboard style on a...

  • 3V FM TRANSMITTERS CIRCUIT DIAGRAM

    2016-04-03 07:06:0664

    3V FM TRANSMITTERS CIRCUIT DIAGRAM Place the transmitter about 10 feet from a FM radio. Set the radio to somewhere about 89 - 90 MHz. Walk back tothe F...

  • 1 Watt QRP Power Transmitter

    2016-04-03 06:50:3167

    The 1 watt 20 meter QRP transmitter with VXO. This is a nice QRP transmitter that can be used in combination of one of the simple receivers. Normally t...

  • PLL Stereo FM Transmitter

    2016-04-03 06:26:0759

    PLL Stereo FM Transmitter The circuit shown here is of a good Stereo FM transmitter that can transmit high quality signals up to a range of 70 feet. Th...

  • Cb Transmitter electronic circuit diagram

    2016-04-03 05:46:0168

    TECHNICAL CHARACTERISTICS: Tendency of catering: 12V/1A DC Frequency of emission at AM: ~27MHz Force of expense: 2,5W Materially: The resistances are 1...

  • AM transmitter CIRCUIT (2N3439)

    2016-04-03 05:19:2269

    This article describes the AM transmitter CIRCUIT (2N3439). The content is very simple, very helpful. Components in this article can help you understan...

  • 27.125Mhz Nbfm Transmitter Circuit

    2016-04-03 05:14:2966

    Using a Motorola MC2833 one-chip FM transmitter, a few support components, and an MPF6660 FET RF amp, this transmitter delivers about 3 W into a 50- lo...

  • Single and multi-channel remote control transmitter and rece

    2016-04-03 04:48:4871

    TDC1808/1809 RF wireless transmitter / receiver module-specific can easily form a variety of wireless remote control device.TDC1808 shape pin map.TDC18...

  • 1KM Power FM Transmitter

    2016-04-03 04:37:0983

    This small power FM transmitter can transmit more than 1 km in good conditions. The modulation can be made so much with a microphone or audio source. C...

  • Long range AM transmitter.

    2016-04-03 04:29:4169

    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...

  • BIAS COMS PLL transmitter

    2016-04-03 04:29:0661

    BIAS COMS PLL transmitter This schematic originally comes from Bias Comms and was originally intended for use in combination with a BGY33 or BGY133 mod...

  • EXPERIMENTAL_DATA_TRANSMITTER_FOR_FIBER_OPTICS

    2016-04-03 04:19:0960

    This schematic for an experimental data transmitter uses optical fibers and a laser diode. Trans-mission frequency of the free-running oscillator is ap...

  • Transmitter Detector for FM Bug Surveillance

    2016-04-03 04:13:5566

    Figure 1 The circuit was constructed using a few components that is powered by a 9 V battery for sensing the presence of bugs transmitting within the f...

  • An experimental crystal oscillator FM transmitter circuit

    2016-04-03 04:03:5364

    As shown in Figure 1, V1 and related resistive and capacitive components form the first level audio amplifier circuit which provides sufficient strengt...

  • AM_TONE_TRANSMITTER

    2016-04-03 03:56:0363

    Power for the circuit is supplied by B1, a 9-V battery. Two sections of a 4011 NAND gate, U1-c and U1-d, are used as part of a radio-frequency (RE) osc...

  • 1 Watt Four Stage FM Transmitter

    2016-04-03 03:55:5765

    This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transist...

  • FM Telephone Transmitter

    2016-04-03 03:07:4074

    Circuit diagram The FM telephone circuit is built on a PC board that is so small it can easily be fitted inside the housing of a telephone making it an...

  • VISIBLE_LIGHT_AUDIO_TRANSMITTER

    2016-04-03 03:06:1863

    In the visible-light transmitter, a 7805 volt-age regulator is connected in a variable-voltage configuration, and an audio signal is fed to the common ...

  • Show FM transmitter (15 watts) circuit

    2016-04-03 02:43:2768

    The following shows the FM transmitter (15 watts) circuits. The circuit is very simple, and very practical. Recommend Duokanjibian The schematic in ord...

  • FM transmitter 2KM circuit

    2016-04-03 02:35:3571

    The figure shows the FM transmitter 2km circuit. The circuit is divided into three phases, which are the shock, frequency and power amplification. V1, ...

  • REMOTE_CONTROL_TRANSMITTER

    2016-04-03 01:54:4063

    This transmitter can be used for a variety of purposes. An INS8048L microprocessor generates various codes depending on keypad presses. The codes are m...

  • Small AM Transmitter Circuit Schematic Diagram (AD7918BRUZ)

    2016-04-03 01:51:3365

    This article describes the Small AM Transmitter Circuit Schematic Diagram (AD7918BRUZ). The content is very simple, very helpful. Components in this ar...

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