http://xtronic.org Transmitter power amplifier schematic electronics stereo circuit diagram, schematic power supply circuit Mon, 30 Apr 2012 05:33:47 +0000 en hourly 1 http://xtronic.org/circuit/audio/circuit-mini-transmitter-video-assembly-instructions/ http://xtronic.org/circuit/audio/circuit-mini-transmitter-video-assembly-instructions/#comments Sat, 21 Jan 2012 05:42:27 +0000 Toni http://xtronic.org/?p=1570 Instructions, how to build a mini station from cheapest simplest components. Either frequency, modulation, FM (frequency modulation), sends the component values ​​at around 100 MHz Mini Transmitter Instruction Building a super spy bug transmitter. The 20k resistors together with the resistance of the condenser microphone sets a voltage divider composed of the (dc) operating point [...]

]]> http://xtronic.org/circuit/audio/circuit-mini-transmitter-video-assembly-instructions/feed/ 0 http://xtronic.org/circuit/audio/wood-fm-transmitter-unusual-mount-pcb-free/ http://xtronic.org/circuit/audio/wood-fm-transmitter-unusual-mount-pcb-free/#comments Thu, 19 Jan 2012 23:19:03 +0000 Toni http://xtronic.org/?p=1565 In this video we are showing you how to make a FM transmitter Bug using 2 transistors and a wood circuit board. The reason for author make FM transmitter this from wood is because  people that can not make there own circuit boards ,can not solder or can not find the capacitor trimmer for adjusting [...]

]]> http://xtronic.org/circuit/audio/wood-fm-transmitter-unusual-mount-pcb-free/feed/ 3 http://xtronic.org/circuit/tv-remote-control-blocker-circuit-ir-jammer/ http://xtronic.org/circuit/tv-remote-control-blocker-circuit-ir-jammer/#comments Tue, 29 Nov 2011 03:32:06 +0000 Toni http://xtronic.org/?p=1546 Just point this small device at the TV and the remote gets jammed . The circuit is self explanatory . 555 is wired as an astable multivibrator for a frequency of nearly 38 kHz. This is the frequency at which most of the modern TVs receive the IR beam . The transistor acts as a [...]

]]> http://xtronic.org/circuit/tv-remote-control-blocker-circuit-ir-jammer/feed/ 0 http://xtronic.org/circuit/audio/circuit-of-stereo-fm-transmitter-hi-fi-with-ic-ba1404-power-stage/ http://xtronic.org/circuit/audio/circuit-of-stereo-fm-transmitter-hi-fi-with-ic-ba1404-power-stage/#comments Sat, 15 Oct 2011 06:46:16 +0000 Toni http://xtronic.org/?p=1489 With this circuit you will be able to mount a mini stereo FM station and broadcast to your entire home, a simple way to have an audio link wireless with ease. With the FM transmitter BA1404 Hifi Stereo you can stream your music from your iPod MP3, satellite receiver, computer, DVD player, Mobile Phone, MP4 [...]

]]> http://xtronic.org/circuit/audio/circuit-of-stereo-fm-transmitter-hi-fi-with-ic-ba1404-power-stage/feed/ 2 http://xtronic.org/circuit/amplifier/power-rf-amplifier-fm/ http://xtronic.org/circuit/amplifier/power-rf-amplifier-fm/#comments Fri, 19 Nov 2010 05:10:50 +0000 Toni http://xtronic.org/?p=1080 This RF Amplifier designed for FM broadcast using a single 2SC1946 VHF Power Transistor. This 10-30W RF amplifier circuit provides an appropriate power boost with an input of 1-3 watt. Tower are 30 meters high will send signal surrounding air should be around 15 km. RF Amplifier Artwork The layout of the 2SC1946 28 Watts [...]

]]> http://xtronic.org/circuit/amplifier/power-rf-amplifier-fm/feed/ 4 http://xtronic.org/circuit/potent-circuit-transmitter-of-communitarian-tv-lm1889/ http://xtronic.org/circuit/potent-circuit-transmitter-of-communitarian-tv-lm1889/#comments Wed, 19 Aug 2009 21:39:00 +0000 Toni http://www.xtronic.org/?p=11 Potent circuit for transmitter of communitarian TV with lm1989 in vhf channels, video link for DVD, computer or video camera transmitter This small circuit transmitter processes the signs of audio of a sound table or microphone, and the signs of video of a camera, or still the audio signs and video of a DVD, Video-cassette [...]

]]> http://xtronic.org/circuit/potent-circuit-transmitter-of-communitarian-tv-lm1889/feed/ 20 http://xtronic.org/circuit/audio/circuit-of-stereo-fm-transmitter-ba1404/ http://xtronic.org/circuit/audio/circuit-of-stereo-fm-transmitter-ba1404/#comments Mon, 30 Mar 2009 08:39:00 +0000 Toni http://www.xtronic.org/?p=63 Circuit of stereo FM transmitter of of high quality using integrated circuit ba1404 for mp3, mp4, ipod, computer, radio of the car. Transmit of your equipment of portable audio for the radio of your car, transmitters of fm of low potency are the ideal for transmission wireless of audio sign for fm receivers. Mainly in [...]

]]> http://xtronic.org/circuit/audio/circuit-of-stereo-fm-transmitter-ba1404/feed/ 1 http://xtronic.org/circuit/power-fm-transmitter-2n2218/ http://xtronic.org/circuit/power-fm-transmitter-2n2218/#comments Mon, 30 Mar 2009 04:25:00 +0000 Toni http://www.xtronic.org/?p=61 Circuit of potent transmitter of FM with transistor 2n2218 This small transmitter can arrive the more than 1 km in favorable conditions of emission. The modulation can be made so much with a microphone, for an electrets microphone, or other audio source. The 5 turns of enameled thread 22 AWG, with diameter of 1 cm [...]

]]> http://xtronic.org/circuit/power-fm-transmitter-2n2218/feed/ 0 http://xtronic.org/circuit/audio/circuit-encoder-stereo-multiplexer-for-fm-transmitters-njm2035/ http://xtronic.org/circuit/audio/circuit-encoder-stereo-multiplexer-for-fm-transmitters-njm2035/#comments Mon, 30 Mar 2009 04:19:00 +0000 Toni http://www.xtronic.org/?p=55 Encoder stereo Multiplexer for stereo fm transmitters with ic NJM2035 That codifier stereo is for who wants a system of transmission of audio stereo of high quality (hi fi). That integrated circuit produces an excellent and clear audio and a separation of excellent channel comparable with other much more expensive systems. The heart of the [...]

]]> http://xtronic.org/circuit/audio/circuit-encoder-stereo-multiplexer-for-fm-transmitters-njm2035/feed/ 0 http://xtronic.org/circuit/amplifier/potency-lineal-rf-amplifier-with-bly90/ http://xtronic.org/circuit/amplifier/potency-lineal-rf-amplifier-with-bly90/#comments Mon, 30 Mar 2009 04:15:00 +0000 Toni http://www.xtronic.org/?p=47 project of circuit potency lineal RF amplifier with BLY90 for Fm transmitter or vhf transmitter Circuit for lineal amplifier for VHF with power source and printed circuit board, using the transistor Bly90 It is to be used as amplifier of potency of RF in the high strip of of the power source that should be [...]

]]> http://xtronic.org/circuit/amplifier/potency-lineal-rf-amplifier-with-bly90/feed/ 3 http://xtronic.org/circuit/rf/philips-antenna-uhf-digital-tv-digital-radio/ http://xtronic.org/circuit/rf/philips-antenna-uhf-digital-tv-digital-radio/#comments Mon, 30 Mar 2009 04:14:00 +0000 Toni http://www.xtronic.org/?p=39 Antenna Philips amplified for UHF, TV digital, analogical and digital radio SDV2940/10 18 dB Product Description Philips SDV2940 antenna is scientifically designed to improve analog and digital UHF reception. The compact design of the antenna is very versatile and can be used both outdoors and indoors and can be mounted to walls, railings or any [...]

]]> http://xtronic.org/circuit/rf/philips-antenna-uhf-digital-tv-digital-radio/feed/ 1 http://xtronic.org/circuit/audio/circuit-of-micro-transmitter-fm-bf494-bf495/ http://xtronic.org/circuit/audio/circuit-of-micro-transmitter-fm-bf494-bf495/#comments Thu, 19 Feb 2009 21:39:00 +0000 Toni http://www.xtronic.org/?p=12 That project is of a micro transmitter of FM using bf494 of easy assembly, so that any one can obtain success in your assembly. Operation of the circuit of the transmitter of FM with transistor bf494 The Schematic of the circuit is basic of micro transmitters of FM of low potency. Where consists of an [...]

]]> http://xtronic.org/circuit/audio/circuit-of-micro-transmitter-fm-bf494-bf495/feed/ 0 http://xtronic.org/circuit/audio/circuit-micro-fm-transmitter-bf494/ http://xtronic.org/circuit/audio/circuit-micro-fm-transmitter-bf494/#comments Thu, 19 Feb 2009 21:39:00 +0000 Toni http://www.xtronic.org/?p=13 Circuit of micro FM transmitter spy with transistor bf494 (spytoni) That small circuit transmitter (spytoni) it is ideal for ready espionage for strip from radio Fm or receiver of VHF. Of course the recreational purpose also exists and the children will adore to have a transmitter that allows to speak for a radio FM placed [...]

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