Tube-number record
DCG 3/3000
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DCG 3/3000 is a tube type in the TubeDatabase archive (class: Half-wave mercury vapour rectifier). Recorded specifications: brand Philips, construction Diode, and maximum plate voltage 7500 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassHalf-wave mercury vapour rectifier
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide coated
Absolute Maximum Ratings
Plate Voltage7500 V
Cathode Current1000 mA
Audio Performance
Key Features
- Mercury vapour
- Directly heated cathode
- High voltage rectifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Fig 1 (Single phase half-wave) | 2400 V | — | — | — | 2000 mA |
| Fig 2 (Single phase full-wave) | 3600 V | — | — | — | 3000 mA |
| Fig 3 (Three phase half-wave) | 3300 V | — | — | — |
Application Notes
Mercury vapour rectifier. Ambient temperature should be maintained between 20 and 65 degrees Celsius for optimal operation.
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