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- Doherty_amplifier abstract "The Doherty amplifier is a modified class B radio frequency amplifier invented by William H. Doherty of Bell Telephone Laboratories Inc in 1936. In Doherty's day, within the Western Electric product line, the eponymous electronic device was operated as a linear amplifier with a driver which was modulated. In the 50,000 watt implementation, the driver was a complete 5,000 watt transmitter which could, if necessary, be operated independently of the Doherty amplifier and the Doherty amplifier was used to raise the 5,000 watt level to the required 50,000 watt level.The amplifier was usually configured as a grounded-cathode, carrier-peak amplifier using two vacuum tubes in parallel connection, one as a class B carrier tube and the other as a class B peak tube (power transistors in modern implementations). The tubes' source (driver) and load (antenna) were split and combined through + and – 90 degree phase shifting networks. Alternate configurations included a grounded-grid carrier tube and a grounded-cathode peak tube whereby the driver power was effectively passed-through the carrier tube and was added to the resulting output power, but this benefit was more appropriate for the earlier and less efficient triode implementations rather than the later and more efficient tetrode implementations.".
- Doherty_amplifier wikiPageExternalLink Doherty.pdf.
- Doherty_amplifier wikiPageExternalLink Default2.asp.
- Doherty_amplifier wikiPageID "23718712".
- Doherty_amplifier wikiPageRevisionID "532315906".
- Doherty_amplifier hasPhotoCollection Doherty_amplifier.
- Doherty_amplifier subject Category:Electronic_amplifiers.
- Doherty_amplifier subject Category:Valve_amplifiers.
- Doherty_amplifier type Amplifier102705944.
- Doherty_amplifier type Artifact100021939.
- Doherty_amplifier type ElectronicAmplifiers.
- Doherty_amplifier type ElectronicEquipment103278248.
- Doherty_amplifier type Equipment103294048.
- Doherty_amplifier type Instrumentality103575240.
- Doherty_amplifier type Object100002684.
- Doherty_amplifier type PhysicalEntity100001930.
- Doherty_amplifier type ValveAmplifiers.
- Doherty_amplifier type Whole100003553.
- Doherty_amplifier comment "The Doherty amplifier is a modified class B radio frequency amplifier invented by William H. Doherty of Bell Telephone Laboratories Inc in 1936. In Doherty's day, within the Western Electric product line, the eponymous electronic device was operated as a linear amplifier with a driver which was modulated.".
- Doherty_amplifier label "Doherty amplifier".
- Doherty_amplifier sameAs m.06zl4k_.
- Doherty_amplifier sameAs Q5288561.
- Doherty_amplifier sameAs Q5288561.
- Doherty_amplifier sameAs Doherty_amplifier.
- Doherty_amplifier wasDerivedFrom Doherty_amplifier?oldid=532315906.
- Doherty_amplifier isPrimaryTopicOf Doherty_amplifier.