Electronic tube and vacuum tube catalog

Base

7CH

Socket code

B7G

Electrical Summary

Heater	12.6 V / 150 mA
Plate	300 V / 1 W
Screen	100 V / 1 W
Ik max	14 mA
rP	1,000,000 Ω
gm	0.475 mA/V
μ	1

Sections

1

7 pins - B7G - Miniature 7-contact

Heptode oscillator-converter for AC/DC superheterodyne receivers. It integrates local-oscillator and mixer functions in one miniature tube, converting incoming RF signals to the receiver intermediate frequency.

Base

Refer to variations

Socket code

B7G

Electrical Summary

Heater	12.6 V / 150 mA

Sections

1

7 pins - B7G - Miniature 7-contact

Radio receiver frequency changer combining oscillator and mixer functions for superheterodyne conversion. Its multi-grid construction translates incoming RF signals to the intermediate frequency within the receiver front end.