- Ceramiczna podstawa
- 4 pozłacane piny
- oksydowane filamenty
- płytki triody z siatki
Classification#
Globe-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, solid plate or mesh plate triolde.
Application#
Voice frequency and carrier-frequency amplifier. Other applications where small power output are required.
Dimensions #
Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1and 2.
Nominal operating conditions and parameters#
Filament voltage ……………………………………………………………… 4.5V
Nominal filament current …………………………………………………… 1.0A
Plate voltage ………………………………………………………………… 160V
Grid voltage ………………………………………………………………… -12V
Plate resistance ………………………………………………………… 5.3kohms
Plate current ………………………………………………………………… 9.9mA
Amplification factor ………………………………………………………… 6.2
- Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.
Characteristics-Average characteristics#
Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.
Limiting Operation Conditions for Safe Nor simultaneous ratings#
Maximum plate voltage …………………………………………………… 190 volts
Maximum plate current …………………………………………………… 15mA