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100mW VHF TV Transmitter #1
2007-12-18 12:52:00
For many years, various electronic newspapers on many aspects of audio radio production, and radio and television signals on the production of not too many, a very important factor is the launch of TV signals than the production of audio radio more difficult to bigger.Forum on the recent request for easy system and television signal transmission devices voices high, in order to meet the requirements of enthusiasts, the time to test this television transmitters. The circuit design guiding ideology is not any RF equipment will be debugging, performance professional equipment Although it is impossible to achieve the target, but its basic properties should be able to meet lovers experiment, audio-visual transmission effect should not be inferior to the universal-type machines level.The transmitter from the RF modulator and amplifier two major components, all circuits are used by the most common and the most classic circuit. RF circuit structure of the circuit often do not have any parti...
More About: Articles , Schematic , Transmitter

Making Of WIFI CANTENNA
2007-12-17 04:13:00
OverviewAntenna of Wave Guide in fact is not antenna, because it's not reinforcement but only instructing radiation of signal radio to be more. Effect of material reflection and this focus is true finally yield a kind of reinforcement, but that is not especial issue design of this antenna.Design of antenna truthfully really reckon maximum attainment effect of reflection focus and for the shake of yielding reinforcement of radiation as issue the core important. Antenna Wave modification guide, ( for example with Cone or of Reflector) is an experiment to reach antenna that design truthfully.Materials:N-Female mount chassis connector 4 nut tide and bolt, or according to requirement of copper cable 12 gauge sufficiently. 1 can, diameter the suggested is 3 inchi or 3 2 / 3 inchi. Additional Materials:Cable ? pigtail? ( with N-Male Connector) Card of Wireles able to be interfaced to ? pigtail?Supply: Drill to make hole can, can change with axis and hammer. Solder nail.CONSTRUCTIONFirst w...
More About: Wifi

How to Increase Your Wi-Fi Signal
2007-12-17 04:04:00
Do you need a stronger wireless signal or greatWatch video on You Tube by infinitesolutions
More About: Signal

Directional WIFI Antenna Construction
2007-12-17 03:51:00
That's a nice construction which really will really work well! I would recommend using countersink screws (or some other screws with a very flat head) and putting the head into the can. The N-connector can then be fixed outside the can with nuts. This arrangement avoids problems with the screws protruding to far into the can.Watch This Video on Youtube by medwaysoe
More About: Construction , Wifi , Antenna , Rect

FM Exciter 40W for Your Bigger FM Amplifier
2007-12-15 09:29:00
This Fm Excite r with 40 Watts on power Out with switching power supply. Oversampling method that is used in stereo encoder device with 16x values. This is old fm exciter product but you can used it as your technical reference. The Features are PSU and SWR Protector.Here link for download the technical manual for 2.1 MBsPlease Bookmark This Site For More information. More click More Info.
More About: Amplifier , Schematic

Compressor Limiter Schematic For LPFM
2007-12-14 17:09:00
The manual of a compressor limiter kit for your technical reference. Take this for spending your spare time. Use the couples of this pcb for stereo channel. Download from links below :page onepage twopage threepage fourpage fivepage six
More About: Compressor , Limiter , Schematic , Compress

D & R Telephone Hybrid 2
2007-12-12 15:16:00
Introduction :The D&R Telephone Hybrid -2 concept originates from many demands for a more sophisticated hybrid with more features.The Telephone Hybrid-2 is an analog unit with digital control and features like ducking making intelligibility a lot better in broadcast. A large ring button enables you to to pick up the line from the unit itself or from your mixer when connected via its GPIO to the telephone Hybrid.Both levels of receive and send can be adjusted to suit your requirements. Incoming signals can be tailored by the variable high and low cut signal while talking to people calling the station. A switchable ducking system reduces the incoming signal while talking to people calling the station.Spesifications:SEND Impedance 10k Ohm, electronically balancedCommon mode rejection >40dBMaximum input level +26dBuNominal input level +4 dBuFrequency response 20Hz ? 15kHz (-3dB variable via HC and LC filters)Connectors XLR type 3 pin femaleGain range receive control 40dBRECEIVEImpeda...

VSB UHF TV Exciter-Transmitter 2W
2007-12-08 03:33:00
This TV Transmitter will transmit a television signal in the UHF band (system B/G between channel 21 and channel 69 (470.25 to 860.25 MHz) with a peak power of 10 watts.The internal power supply is linear type for low noise operation, avoiding any interfacing into various electronic circuits. It supplies the various stages with two main DC voltages: 12V and 26V (for the RF output stages).Th video modulator; which converts the analog PAL video signal into a modulated carrier at 38.9 MHz (crystal controlled). The audio modulator also converts the audio signal into a 33.40 MHz carrier (PLL controlled). The two carrier signals (33.40 MHz for the audio and 38.90 for the video) are entering a third unit which is an IF mixer/sideband filter a special type G4952 made by Siemens/Matsusita is rejecting the upper/low side and it permits the 8 MHz of the carrier to pass through.Next unit, this IF signal is mixed with the local oscillator. This oscillator is PLL controlled and channel is selecte...
More About: Manual , Schematic , Excite

New Digital Audio Mixing Consoles Euphonix System 5-BP
2007-12-06 16:05:00
System 5-B is the most advanced digital broadcast mixing system available. It is designed for audio professionals who demand the best.System 5-B New for 2007 (download new Euphonix Broadcast Products Brochure):Updates for Broadcast - System 5-B now features some significant new product updates:NEW Control Surface with...? New touch-sensitive LED color coded knobs? Higher resolution screens? Faster embedded processors for quicker boot times? More memory for added features and faster response? Improved fader resolution around 0dB NEW DF66 DSP SuperCoreNEW Modular ConvertersSystem 5-BOn-Air & Live-To-Tape Production The System 5-B digital broadcast console is specifically configured for live and live-to-tape production with dual redunadant power supplies and redundant DSP SuperCore. Euphonix is a world leader in providing reliable, fault-tolerant consoles to broadcast facilities around the world. Euphonix's focus on world-class customer service and after sale support is critical t...
More About: Audio , System , Digital Audio , Consoles , Digital

High Quality Built & Tested 250W FM Amplifier
2007-12-04 07:08:00
This 250W FM amplifier was built to produce excellent no-tune opertaion, while keeping low price and easy of use: just connect the outputto an fm antenna, and the input to any 1W exciter, we recommend to connect to our TX180A - FM modulator which drive this amplifier to over250W in the range of 87.5-108Mhz without tuning.Features: - 250W output with 1W input -connect our exciter-TX180ATo fully drive 250W and display output power or SWR alarm on TX180A LCD display.- 9 Pole Low pass filter - no harmonics emmision.- SWR protection - auto shut down- Thermal protection - auto shut down- Forward and reflected power sensor - connect any voltage meter/ digital bargraph to display forward/reflected power.- Broadband no-tune design based on M/A-COM MRF151G and a driver amplifier.- Heatsink included.For a complete 250W transmitter add :TX180A - 1W exciter moduleMPX170S- Stereo encoder (if stereo required) 48V 10A Swithcing Power supply110V/220V fan
More About: High , Quality , Tested , Amplifier

Download Technical Schematic Manual Here
2007-12-04 06:43:00
For Hobbies this links for Technic al manual :Stereo Encoder Stereo Audio LimiterFm Exciter 30 WattsFm Exciter 25 WattsRf Amplifier 250 WattsNext Update :Telephone Hybrid EquipmentTelevision VSB Transmitter 2WTelevision Stereo ModulatorPlease Bookmark This Site
More About: Download , Manual , Schematic

Broadcast Circular FM Antenna From Aldena
2007-12-03 12:52:00
Tuned circular antenna in FM band 88-108 MHzWholly in hot-dip galvanized steel N female connector Light - Low costHere download manual
More About: Broadcast , Antenna , Circular , Broad

The Field Prediction Software You Were Missing
2007-12-03 11:15:00
Click Image to enlarge. Click here for more information or to request a demo version. ALDENA è lieta di annunciare il rilascio della nuova release di EMLAB, il software di calcolo per campi elettromagnetici piu' utilizzato nel mondo del broadcasting radiotelevisivo e delle telecomunicazioni. La release 1.1.11.0 sarà disponibile a breve.Date un?occhiata più da vicino alle novità che trasformeranno il vostro EMLAB partecipando all?EMLAB DAY ITALY del 14/12/2008Visita il Ns sito e compila il form per partecipare all'evento.CLICCA QUI-------------------------------------- ----------------------------------------- --------------ALDENA is glad to announce the new EMLAB version release, the calculation software for em fields more used in radiotv broadcasting and telecommunication world. The new release will be available soon.Get a closer look at the features that will transform your EMLAB. For any further info, don?t esitate to contact us.CLICK HERE TELECOMUNICAZIONI ALDENA SRLVia A. Volta...
More About: Software , Missing , Field , Missi

FM Exciter Schematic(#3)
2007-12-03 10:39:00
This FM Excite r Schematic needs to be downloaded first from the resource that I found last year. They are in PDF format for easy printability. page seven page eight page nine page ten page eleven If you do not have the program you need to read PDFs, go here to download it.

FM Exciter Schematic(#2)
2007-12-03 10:38:00
This FM Excite r Schematic needs to be downloaded first from the resource that I found last year. They are in PDF format for easy printability. page four page Five page six page seven page eight If you do not have the program you need to read PDFs, go here to download it.

FM Exciter Schematic(#1)
2007-12-03 10:19:00
This FM Excite r Schematic needs to be downloaded first from the resource that I found last year. They are in PDF format for easy printability. page one page two page three page four If you do not have the program you need to read PDFs, go here to download it.

ZaraRadio v1.6.1 Download - A Complete Free Software Automation
2007-12-02 20:05:00
ZaraRadio is a complete free radio automation system. It turns your PC into a powerful music machine and it is very useful for bars, restaurants and, specially, for radio stations. It provides a nice and complete user interface, not missing any feature found in similar non-free programs.This programa is specially recommended for low budget radio stations that need a rock-solid program, stable and with a lot of options available at the time of programming an automated transmission, as well as for the moment when the speaker needs an easy, fast and stable tool that helps him on his work in front of the microphone ZaraRadio Version 1.61 is available for download:New features in this version:DTMF tone detector. It is not necessary to restart the program when changing the soundcards assigned to ZaraRadio. Four auxiliary players. Each player can be assigned to a differente soundcard. Sweepers (voicetracking). Reduce the volume of the main playlist when the jingles are being played. The da...
More About: Software , Download , Free , Free Software , Complete