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/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/wideband-dtv-uhf-antenna-tv-amplifier-circuit/ http://xtronic.org/circuit/amplifier/wideband-dtv-uhf-antenna-tv-amplifier-circuit/#comments Tue, 31 May 2011 05:34:44 +0000 Toni http://xtronic.org/?p=1257 This HD TV UHF wideband amplifier(Ultra High Frequency amplifier) has a total gain of 10 to 15 dB in the 400 – 850 MHz domain frequency so it can be used where the tv signal is weak. For this UHF antenna tv amplifier to work correctly you need to cut the components pins as short [...]

]]> http://xtronic.org/circuit/amplifier/wideband-dtv-uhf-antenna-tv-amplifier-circuit/feed/ 1 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/rf/polarplot-v3-antenna-program/ http://xtronic.org/circuit/rf/polarplot-v3-antenna-program/#comments Tue, 05 Oct 2010 15:45:49 +0000 Toni http://xtronic.org/?p=1054 PolarPlot V3 became a free program for amateur radio personal use. Antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. The program will operate fully for 30 runs during a 15 day period. You can check that it works on your equipment and [...]

]]> http://xtronic.org/circuit/rf/polarplot-v3-antenna-program/feed/ 0 http://xtronic.org/circuit/rf/radioworks/ http://xtronic.org/circuit/rf/radioworks/#comments Sat, 07 Aug 2010 04:16:54 +0000 Toni http://xtronic.org/?p=853 RadioWORKS is a tool for calculating various items related to radio waves and radio wave propagation. Get detailed information about a frequency, such as the free-space wavelength, band classification, propagation methods, common transmitter configurations, etc. Calculate antenna lengths or frequencies. View a 3D coverage map by providing a latitude / longitude coordinate and transmitter height. [...]

]]> http://xtronic.org/circuit/rf/radioworks/feed/ 0 http://xtronic.org/circuit/rf/pi-filter-designer/ http://xtronic.org/circuit/rf/pi-filter-designer/#comments Tue, 08 Jun 2010 13:49:16 +0000 Toni http://xtronic.org/?p=623 PI Filter Designer is a simple 3 element 50 ohm input and output impedance pi filter designing application. This program allows the user to design simple lowpass filters by selecting from a variety of standard capacitor values either empirically or to suit what you have on hand. The filter 3 dB cutoff frequency and required [...]

]]> http://xtronic.org/circuit/rf/pi-filter-designer/feed/ 2 http://xtronic.org/circuit/rf/hamic-ham-calculator/ http://xtronic.org/circuit/rf/hamic-ham-calculator/#comments Fri, 28 May 2010 05:12:06 +0000 Toni http://xtronic.org/?p=606 The Ham Intelligent Calculator, also called Hamic, is a program designed to simplify a number of calculations commonly used by Hams. It is designed for the Ham radio hobbyist, but may be useful to others as well. Hamic has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors [...]

]]> http://xtronic.org/circuit/rf/hamic-ham-calculator/feed/ 2 http://xtronic.org/circuit/rf/appcad-rf-design-tools/ http://xtronic.org/circuit/rf/appcad-rf-design-tools/#comments Wed, 26 May 2010 20:23:14 +0000 Toni http://xtronic.org/?p=577 What is AppCAD? AppCAD is an easy-to-use program that provides you with a unique suite of RF design tools and computerized Application Notes to make your wireless design job faster and easier. AppCAD’s unique, interactive approach makes engineering calculations quick and easy for many RF, microwave, and wireless applications. AppCAD is useful for the design [...]

]]> http://xtronic.org/circuit/rf/appcad-rf-design-tools/feed/ 5 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 [...]

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