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...
The interface circuit between typical pressure transmitter ( such as Dynisco's 800 series of pressure transmitter ) and 1B31 is shown as the figure. 1B...
This UHF transmitter is designed for low power applications as remote for garage doors and operating systems, wireless alarm. This UHF FM transmitter w...
Then there is a frequency modulation transmitter. Although there are a lot of similar transistor 2 charts are available, this is higher than the averag...
The following shows the amplitude modulation transmitter circuit. The circuit is very simple, and very practical. Recommend Duokanjibian The schematic ...
Gates U1a and U1b are configured as a low-frequency oscillator. The output waveform at pin 11 is nonsymmetrical with the positive portion of the signal...
At the heart of the schematic for the FM stereo transmitter is the BA1404 FM stereo transmitter IC. Note that there is no R2 or R5 circuit.The circuit ...
This transmitteris basic but allows transmission of audio to an AM radio. It consists of an RFoscillator operating in the AM broadcast band, together w...
This TV transmitter transmits audio and video signal from Camcoder Camera, DVD, VHS, Satellite, video game, etc. Playing them in a channel free from th...
Typical (A) QRP keying circuit; (B) Improved QRP keying circuit with CMOS T/R keying control.Op amp U2b is a basic inverting amplifier with a gain of o...
ICs that in the past were far too expensive for the hobbyist tend to be more favourably priced these days. An example of this is the AD8099 from Analog...
In this application, a BA1404 is used to generate an FM MPX baseband signal. This modulates a crystal oscillator (Q3) via a dual varactor series modula...
The transmitter was designed specifically for use by radio amateurs as a radio beacon. As such, it provides a good-quality signal that is free of unwan...
This set of two circuits from the basis for a very simple light wave transmitter. A LASER beam is modulated and then aimed at a receiver that demodulat...
This circuit is composed of a L14G2 detector, the two stages amplifier and a frequency modem, it can be used in the multi-level amplifier which has the...
Description. Here is the circuit diagram of a versatile FM transmitter that doesnt have a coil. The circuit is simple and easy to assemble. The gate N1...
The CASSETTE INTERFACE is used to store or retrieve programs from a cassette tape. Each program stored in the Chromas memory consists of a list of bina...
This small video transmitter is very usefull for video surveillance on short distances ( up to 100m ) equipped with a black and white or infrared camer...
You can easily boost output power and range of BA1404 FM Transmitter by adding this simple high performance 500mW amplifier / booster. The amplifier ch...
This 88-108 MHz FM Transmitter Beacon Broadcast circuit will address a connected audio accent on the FM advertisement bandage (88-108 MHz) which could ...
This is the schematic for an FM transmitter with 3 to 3.5 W output power that can be used between 90 and 110 MHz. Although the stability isn't so bad, ...
Veronica 1W FM transmitter is easy to build and to operate in FM. Veronica is also known for frequency stability, clean fm signal and uses no integrate...
This circuit has a 741 audio amplifier, which is fed by a microphone (use an amplified type), an FM modulator, and a CMOS timer that acts as a VCO. The...
LC219/LC220A is a multi-function remote control transmitter / receiver integrated circuit. It is generally used in electric fans shift, wave side of th...
Posted by P. Marian in Radio | 1 comment More projects with: FM transmitter UPC1651 Add to favorites This fm transmitter is build with UPC1651 which is...
The most important part of this 88-108 transmitter is the Colpitts oscillator . C3,C4,C5,C6,CD1-CD2 ans L1 determine the transmission frequency. The RF...
Figure 1 Ultrasonic oscillations which are generated by unmodulated ultrasonic transmitters commonly for remote control are usually affected from other...
Tone-modulated ground transmitter can be tone-modulated by three different tones, each corresponding to a particular reed of receiving relay and balloo...
This is an Analogue TV Transmitter. Sound modulation is type FM with a 5.5MHz carrier and video transmission is PAL. Frequency is adjustable via C5 and...
BA1404 transmitter includes onboard RF amplifier for increased transmitting range. Operating voltage range is 1-3V, the circuit contains FM stereo mixe...
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