For technical notes on specific BEXT units: check our Support page. Glossary of audio, video and RF Terms
FM Protection Ratios – ITU Planning Standards for Terrestrial FM Sound Broadcasting Another Look at Sidelobe-free FM Antennas – Courtesy of Richard J. Fry, CPBE (.pdf) Antenna Design – For FM Broadcast (.pdf, 373k) Diplex Filter – Information on Tuning (.pdf, 94k) Extending Tube Life – Courtesy of Eimac Replacing Passive Components – Iimprove audio quality by Peter J. Stamler FM Antenna Interbay Spacing – Modifying spacing to solve downward radiation and other problems by Joseph Semak, Tele-Images, San Diego, CA Conversion vs. Demodulation – In FM STL and translator Systems IOT – An Old Dream Come True FM Reception Tips – Courtesy of Winegard Company RF Filtering – Products for the Broadcast Industry Courtesy EMR Corporation Installation of RF Power Transistors and Modules – Courtesy of RF Parts Company
Approximate Distance to 0.5MV/M (54 DBU) Contour – Courtesy of ERI (Your browser should support ‘tables’ for best results.) Andrew Heliax Cable Data – Useful Andrew Heliax cable Data (your browser should support tables for best results), if you want to download this table in MS Word format follow this Link. Average Power Rating – For transmission cable (84k Gif file) Print out for best results. Stereo Separation – Measuring it with an Oscilloscope VSWR – Voltage Standing Wave Ratio Relationships (Your browser should support ‘tables’ for best results.) Bessel Nulls – For Frequency Modulation Systems (Your browser should support ‘tables’ for best results.) Television Channels – Video and Audio Frequencies for U.S. standard
“A Short History of Transmission Audio Processing in the United States” – By Robert Orban Long-distance FM Reception – an explaination |
BEXT Inc
1045 Tenth Avenue
San Diego, CA 92101
USA
Email bext@bext.com
Phone & Fax
Phone 619 BEXTINC
(619 239 8462)
Toll free 888 BEXTINC
(888 239 8462)
Miami 305 538 4666
Fax 619 239 8474
(619 239 8462)
Toll free 888 BEXTINC
(888 239 8462)
Miami 305 538 4666
Fax 619 239 8474
Technical Support
Daytime Engineering Line
619 685 3913
After hours 24/7
Hot Line 619 685 3917