Broadcasting Telecasting (Apr-Jun 1961)

Record Details:

Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

R-F LOADS and WATTMETERS For high power VHF and UHF applications These Loads and Wattmeters are designed for convenient and accurate measuring of TV transmitter r-f power. The load properly terminates the r-f output of the transmitter and gives a measurement of the average r-f power. Easily installed — occupies little space. A choice of ratings is available for frequencies between 54 mc and 890 mc and for many power levels. Used by leading stations for many years. 3 KW, 54 to 216 MC Designed for use to 5 KW of peak power. Termination type unit, supplied for operation in 54 to 21 6 mc frequency range. Water cooled. Designed for wall or rack mounting (not illustrated). Type MI-19024-A 50 KW, 54 to 216 MC Supplied for operation in the 54 to 216 mc frequency range. Water cooled, it has an 84 KW peak power rating (not illustrated). Type MI-19191-L/H 25 KW, 54 to 216 MC A water cooled termination type unit for operation in the 54 to 216 mc range. This unit has a 40 KW peak power capacity (shown above). Type MI-19193-L/H 1200 Watt, 54 to 216 MC A natural air-convection-cooled portable unit. Type MI-19196-L/H. Has a peak rating of 2 KW. 25 KW, 470 to 890 MC A column of tap water is used for power dissipation up to 40 KW on peaks in this termination type load. Type MI-19198-A2. 1 200 Watt, 470 to 890 MC The type MI-19197 is designed with a peak power rating of 2 KW. (Companion unit to the MI-19196 unit shown at extreme left.) 7.5 KW, 54 to 216 MC A water-cooled, termination type unit, it has a peak rating of 10 KW. Type MI-27396. ■ Specify 50 or 51.5 ohms as required for 54 to 216 mc R-F LOADS AND WATTMETERS Type ol Cooling Natural Air Convector Natural Air Convector Tap Water (1 GPM) Tap Water (4 GPM) Tap Water (,5.5 GPM) Water & Pumped Coolant (10 GPM) Water & Pumped Coolant (20 GPM) Ml Number Ratines Avg. Power Usable Range Input Imped.* 19196-L/H 54-216 mc. 1200 W 0 to 1200 W 50/51.5 ohms 19197 470-890 mc. 1200 W 0 to 1200 W 50 ohms 19024-A 54-216 mc. 3 KW 1.0 to 5 KW 50/51.5 ohms 27396 54-216 mc. 7.5 KW 1.0 to 7.5 KW 50/51.5 ohms 19198-A2 470-890 mc. 25 KW 0.1 to 25 KW 50 ohms 19193-L/H 54-216 mc. 25 KW 0 to 25 KW 50/51.5 ohms 19191-L/H 54-216 mc. 50 KW 0 to 50 KW 50/51.5 ohms Special Loads can be supplied for other frequencies and power on a custom basis. For further particulars write to RCA, Broadcast and Television Equipment, Dept. WD-22, Building 15-5, Camden, New Jersey. The Most Trusted Name in Television RADIO CORPORATION OF AMERICA BROADCASTING, June 26, 1961 51