The RF Spectrum On-Line

The Latest in Broadcast Technology - Summer, 1995

NEW PRODUCTS

Marti's New Exciter

Marti got into the exciter business with the introduction of its new 40 watt FM exciter during the April NAB convention. The new ME-40 is fully remoteable, has two composite inputs (balanced and unbalanced), provides programmable tuning in 10 kHz steps, and includes three SCA inputs. FM signal to noise is 80 dB below +/- 75 kHz deviation, measured in a 20 Hz to 20 kHz bandwidth with 75 microseconds de-emphasis. Ask RF Specialties about the ME-40, which is listed at $3,995.

No License Data Link!

It's finally arrived, the affordable bi-directional data link with no FCC licensing required. Burk Technology saw the advantage of using spread spectrum technology under FCC Part 15 for remote control, and unveiled a new data link based on that technology at NAB '95. Maximum path length is approximately 20 miles and unlike telemetry return links, the BDT-115 data link is a solution for congested markets where finding an available frequency is about as likely as finding gold at the end of a rainbow. It is also a solution for multi-site operations that need to address each site individually. Price of the new BDT-115 is listed at $2,795. Call or FAX RF Specialties today for details.

Line Pressure Checker

Everyone gets a blood pressure checkup every now and then, so why not do the same with transmission lines? You can. Phartronics' pressure sensor device samples transmission line pressure, and it's now available through RF Specialties. Priced at only $195, Phartronics' line monitor provides 1 to 4.5 VDC that varies linearly with line pressure for remote control alerting, and it is compatible with all remote control systems. Simply "T" it into the pressure line, connect the sample voltage to the remote control input, and start monitoring transmission line pressure! Call or fax RF Specialties for information. Typical Application

Podium on Wheels for Remotes

Get moving on those remotes this summer with a broadcast podium on wheels introduced by Spacewise Broadcast Furniture. Dubbed the "Live Action Portable Podium", this nifty all-in-one remote studio rolls anywhere, including in and out of the station van for fast and easy remote setups.

It has recessed rack mounts for permanently mounting remote pickup transmitters, mixers and amplifiers. It comes with built-in 6x9 inch speakers, pre-wired AC wiring outlet box, and pre-mounted XLR connectors for audio wiring, plus gooseneck mike stand and laminated shelves. Live Action Portable Podium comes in three models, all under $1,000. FAX RF Specialties for details on each.

RBDS Data Receivers

In addition to the RBDS radio receivers that are now on the market, there are RDS data receivers that stations can acquire to fit a wide range of applications.

RBDS data receivers by Modulation Sciences, Gian Technologies and a model soon to be available by CRL can drive any RS-232 device, such as computers, printers and LED signs. These receivers interface to PC's for creating any information system imaginable. Modulation Science's RDS-X, for example, includes four levels of addressability by four groups of eight bits. What this means is that each RDS-X receiver may be uniquely addressed for specific messages, or groups of receivers can be addressed as a group -- and within these groups a large number of super groups may be formed, so group identified messages can be sent to all groups simultaneously! Information is available by calling or FAXing RF Specialties.