Information of General Interest to the Broadcast Industry
Systems:
- Split-feeding balanced combiner systems
- Sweeping your system before applying power
- Spectral re-growth
Antennas:
- Short course on isolators and FM antennas (As seen in Radio World Engineering Extra, April 6, 2005)
- Reducing downward radiation (Presentation for FCC & FAA Engineering Staff, February 1997)
- Matching FM antenna patterns and coverage (From 1987 NAB Engineering Conference Proceedings)
- Comparison of mechanical vs. electrical beamtilt
- Effects of altitude on power ratings
- Gain of full-wave and half-wave-spaced arrays: A quick-reference chart.
- Sizing of de-icer control box and wiring
- 2 Stub Fine Matching transformer adjustment procedure
- 3 Stub Fine Matching transformer adjustment procedure
Filters and Combiners:
- Basics of balanced combiners
- Short course on isolators and FM antennas (As seen in Radio World Engineering Extra, April 6, 2005)
- Introduction to cross-coupling (Technical Presentation for 2000 Broadcast Engineering Conference)
- Combining digital & analog signals
- Low-level digital combining for multi-station installations
- Using the Shively Labs fine-matching transformer to optimize high-power digital injection
- Split-feeding balanced combiner systems
- FM combining systems (523 kB including illustrations, NAB Handbook Chapter, 10th edition)
Coax and Components:
- Standard coax cutback dimensions
- Coax components specifications
- Power rating vs. frequency for copper transmission line
- Attenuation vs. frequency for copper transmission line
- Effects of altitude on power ratings
- Guidelines for installation of flex coax
- Installing a flange on 5/8″ flex coax
NOTES:
- Some bulletins are in Adobe® Acrobat® format. You’ll need Acrobat Reader®, a free download from www.adobe.com, to read them.
- These materials are for your on-line use. Please note that some are copyrighted. Contact Shively for copying and distribution information.