ampliphase造句

• The Ampliphase was then made the back-up.
• Unlike most other commercial designs of AM broadcast transmitters Ampliphase units do not require modulation transformers nor modulation reactors, thereby saving initial cost.
• In the 1990s, the Ampliphase was then replaced by a newer Harris Electric transmitter and the Continental was made as the back-up.
• Essentially, the Ampliphase concept trades lower " capital " cost for higher " expense " cost, while achieving a modest improvement in efficiency.
• In 1961, the " western " transmitter, as it came to be known by the WRVA staff, was replaced with an RCA BTA-50H Ampliphase after serving for more than 30 years but was kept as a back-up transmitter.
• KFBK still maintains an RCA BTA-50H ( the " last gasp " of the Ampliphase concept ) as an auxiliary transmitter, but its main transmitter is a solid-state Harris unit, a prototype for which later became the DX-50.
• The American-manufactured RCA Ampliphase transmitter was rated at 50, 000 watts ( 50 kW ) & ndash; An on-air slogan ran'Your 50, 000 watt Tower of Power', although initially it operated at 17, 000 watts.
• The Ampliphase design, originally proposed by H . Chireix in 1935 and termed " outphasing " by him, was later sold by McClatchy to RCA, which turned it into a mass-produced product, first at the 50, 000 watt level, and, later, at the 10, 000 and 5, 000 watt levels.