Pulse Width Modulation (PWM) or Pulse Duration Modulation (PDM) is a technique of converting analog signals into rectangular waveforms. The width of the waveform varies in proportion with the ...

German manufacturers Plisch and RFmondial have produced a VHF Band III Digital Radio Mondiale transmitter, which the companies said is the first of its kind. A spectrum analysis of a DRM signal in VHF ...

The HX1 from Radiometrix is a narrow band VHF radio transmitter module designed for use in various data-transfer applications. When used in conjunction with the matching RX1, BiM1R, or CVR1 receiver ...

Sunnyvale, Calif. – The Electronic Device Group of Mitsubishi Electric & Electronics USA Inc. has introduced MOSFET-based RF transmitters for VHF, UHF and 800-MHz applications. The eight modules and ...

SOUTHWICK, Mass.—Hitachi Kokusai Electric Comark LLC has announced that WLII is on-air with a new Comark 19.2kW Parallax VHF band 3 transmitter. WLII, which is owned by Liberman Media Group LLC, ...

CML Microcircuits, the 44 year-old Essex consumer IC company, has brought out a quadrature modulator chip for RF transmitters. Called the CMX971, the chip succeeds the CMX970 IF/RF quadrature ...

CINCINNATI, April 4, 2017— GatesAirhas taken the lead in helping broadcasters seamlessly move to new VHF channel assignmentsduring the TV spectrum repack with theMaxiva™ VAXTE, a new air-cooled ...