Tube-number record
ECH3
0 archive entries
ECH3 is a tube type in the TubeDatabase archive (class: Triode-Hexode Mixer). Recorded specifications: brand PHILIPS, construction Multi-section, socket Side-contact (P-base), maximum plate voltage 300 V, and maximum plate dissipation 1.5 W. The archive does not yet hold a photographed example of this type.
BrandPHILIPS
ClassTriode-Hexode Mixer
BaseSide-contact (P-base)
Filament6.3 V @ 240 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections2
Filament / Heater
Heater Notesindirect
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Hexode section as frequency changer | 250 V | 650 | 2000000 | — | 3 mA |
| Triode section as oscillator | 250 V | — | — | — | 3.3 mA |
Application Notes
Screen grid supply through a potentiometer (R1, R2). Oscillator voltage approx 8V RMS.
Datasheets
Datasheet: ECH3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results