This CW transmitter has an output of up to 3 W. By using 24 V on Q2, up to 10 W output can be obtained. If a 24-V supply is used, Ql must not see more than 12 V. Connect 12 V between junctions C3, R2 and L2, and remove L5. LI should be a low-Q 18- to 20- inductor.
R6 can be used (up to 47 ) to reduce the Q further.
RF Globalnet (press release) SBS chose Rohde & Schwarz because of the company's top technical expertise and long-standing professional support with T-DMB, ATSC 1.0 and . During the evaluation phase, SBS also used Rohde & Schwarz trans
KCRW is a six-station cluster consisting of KCRW, Santa Monica, KDRW, Santa Barbara, KCRU, Oxnard, KCRY, Mojave & KCRI, Indio, and KERW, Los Osos-Baywood Park. Additionally it operates seven low power translator stations in the communities o
Eric Pere: Generally, operate far more efficiently than DTV or DAB transmitters so, the advantages of water cooling aren't as significant in the FM sphere. If a manufacturer ..... Fewer engineers entering the market today do so as
“The uniqueness of this construction,” he says, “is that we've designed a climbing aperture inside the tower that allows workers and material to be transported through the active 19-station auxiliary FM antenna to an ice shield
Radio magazine CINCINNATI, Ohio — GatesAir has been chosen for phase two of Bangladesh's national HD Radio rollout. The system comprises two self-contained FM radio stations with GatesAir Flexiva FAX air-cooled 10 kW , antenna systems a
The manufacturer wrote that the amps are identical to those in certified it makes, and that the transmitters imported and marketed by SCMS “are by all intents and purposes the same models already certified by an FCC approved test lab.&rd
As the new NFL season opens, Radio World takes a special in-depth look at the program where football and engineering meet. It was Jan. 29, 1995 at Joe Robbie Stadium in Miami, Fla., the site of Super Bowl XXIX. The game was a triumph for the Sa
Notably, this occurred at a location with ambient levels higher than normal. Maxson says it remains to be seen if the phenomenon occurs at lower levels. All levels at the site were within FCC RFR limits. This phenomenon was previously experien