Tube-number record
7AN7
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7AN7 is a tube type in the TubeDatabase archive (class: Double Triode Cascode Amplifier). Recorded specifications: brand Rogers Majestic Electronics Ltd., construction Dual triode, base Small button Noval, socket Noval (B9A), maximum plate voltage 180 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
BrandRogers Majestic Electronics Ltd.
ClassDouble Triode Cascode Amplifier
BaseNoval (B9A)
Filament7 V @ 0.3 mA
Construction
Primary TypeDual triode
EnvelopeT6-1/2
Base MaterialSmall button Noval
Sections2
Filament / Heater
Heater NotesSuitable for use in tuners up to 220 Mc
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each section | 90 V | 6000 | 4000 | 24 | 12 mA |
Application Notes
Triode section No.1 should be used as grounded cathode amplifier and section No.2 as grounded grid amplifier. A noise figure of 5 can be obtained if the two cathode leads of section 2 are connected in parallel.
Datasheets
Datasheet: 7AN7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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