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.
#228: Radio Fun: Michigan Mighty Mite CW transmitter and a low pass filter
RadioandMusic.com Listing various achievements as an outcome of measures taken in recent years, he said as far as All India Radio was concerned, a total of 610 (MW-143, SW-48, FM-419) which included 195 100 W had been commissioned by 10 Feua
I also grounded the unipole feed on the troubled tower to keep AM voltages to a minimum while workers were on it. Grounding was by a ... transmit antennas. The had to be reduced in power or completely shut down for much of the project.<
Secondly, the mux transmitters actually make for more oadcasting opportunities: They have more capacity to carry programming then the old they've replaced. From my research, and yearly trips to the NAB Show, I would estimate that ...
Radio magazine OSLO — The second county in Norway shut down some of their this week. So we checked in with our Norwegian correspondent, oadcast engineer Eivind Engberg, to see how things are going. “This week will see the second
The move from AM and to DRM+ technology is currently underway in Pakistan, according to a recent report from Radio Pakistan. With DRM technology, Radio Pakistan will be able to air three channels from a single transmitter, as well as ...
NDTV GatesAir recently upgraded the Swedish — and now I can get very good FM signal quality from the Swedish channels long inside Norway. Sweden was always in front of radio content and in the 60s and 70s Swedish Radio was very popular
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 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