FM transmitter (1Km Range) for MP3/MP4 Player, PC, mobile Phone – using 2n2218 & 741

  Evolution FM transmitter (1Km Range) with 2n2218 with audio amplification step using LM741 op amp with audio input for MP3, MP4, mobil...

5W Chinese PLL FM Transmitter With LCD & PCB

Here's PLL FM transmitter circuit from china. This circuit uses the familiar 2SC1971 for final power amplifier stage. Click ima...

Simple FM Transmitter (Coil Less)

To make it even Simpler I have incorporated the Oscillator Coil on the PCB. It also has a Few Taps on it to change the Frequency if need...

A small FM transmitter (SMD)

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

AM FM Simultaneous Transmitter Using Digital IC

15W Fm-transmitter

Warning: Take care with transmitter circuits. It is illegal in most countries to operate radio transmitters without a license. It was f...

FM transmitter (using C2570)

Colpitts oscillator. Its frequency depends on the capacitance of the vary cap diode. The center frequency is changed by varying the biasin...

Car anti-theft wireless alarm

  This FM radio-controlled anti- theft alarm can be used with any vehicle having 6- to 12-volt DC supply system. The mini VHF, FM trans...

Coilless FM transmitter

The RF oscillator using the inverter N2 and 10.7Mhz ceramic filter is driving the parallel combination of N4 to N6 through N3.Since these...

Long Range FM Transmitter (2KM)

  T he power output of many transmitter circuits are very low because no power amplifier stages are incorporated. The transmitter circuit ...

FM TRANSMITTER

Here is the schematic, PC board pattern, and parts placement for a low powered FM transmitter. The range of the transmitter when running ...

Wireless FM Transmitter

The wireless fm transmitter circuit described here has an extra RF power amplifier stage, after the oscillator stage, to raise the power ...

SMD FM transmitter circuit

Let’s construct a low-power FM transmitter using surface-mount devices (SMD) that will be received with a standard FM radio. Soldering s...

FM Transmitter 4Watt

TECHNICAL CHARACTERISTICS: Stabilised tendency of catering: Vcc=12~16V Frequency of emission: 88~108MHz Consumption: 100~400mA Circu...