Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Uncategorized ·Other

EQ80

Multi-grid detector tube designed specifically for frequency- and phase-discriminator service in radio and television receiving circuits.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 200 mA

Description

EQ80 is a multi-grid detector tube intended for frequency/phase-discriminator service, with an indirectly heated 6.3 V cathode.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
200 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Other

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Primary functional section; see parameter rows for published operating conditions, ratings, and capacitances.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Other

Characteristic

  • Published electrical datum

    6.3 V

    Chauffage: indirect par C.A. ou C.C.; Ve= 6,3V

  • Published electrical datum

    4.5 pF

    Capacitznces Cg1 = 4,5 pF

  • Published electrical datum

    6.3 pF

    Kapazitidten Cg3 = 6,3 pF

  • Published electrical datum

    817 pF

    cgS = 817 pF

  • Published electrical datum

    8.3 pF

    Ca = 8,3 pF

  • Published electrical datum

    0.15 pF

    Cag3 < 0,15 pF

  • Published electrical datum

    0.35 pF

    Cags < 0,35 pF

  • Published electrical datum

    0.4 PF

    Cg3g5 < 0,4 PF

  • Published electrical datum

    0.2 pF

    Cg1it < 0,2 pF

  • Published electrical datum

    0.15 pF

    Cg3r < 0,15 pF

  • Published electrical datum

    -

    Vg3 = v

  • Published electrical datum

    -4 V

    Vg5 = -4 V

  • Published electrical datum

    12 veff

    Vigs = 12 veff

  • Published electrical datum

    0.28 mA

    Ia = 0,28 mA

  • Published electrical datum

    1.5 ma

    Igo+g4+26 = 1,5 ma

  • Published electrical datum

    0.03 mA

    Ig3 = 0,03 mA

  • Published electrical datum

    0.03 mA

    Ig5 = 0,03 mA )

  • Published electrical datum

    1 V

    if the input voltage of the next stage Vi is = 1,0 V

  • Published electrical datum

    1 V

    vant Vi est & 1,0 V pour une puissance de 50 mW du

  • Published electrical datum

    1 V

    2 1,0 V eine Leistung von 50 mW der Endrdhre ergibt

  • Published electrical datum

    -

    Leistung von 50 m%W der Endrdhre ergibt

  • Published electrical datum

    -

    (mA) EQ8

Other

  • Published electrical datum

    -

    V(g2+g4+g6) [] max. 250

  • Published electrical datum

    22 MQ

    Rgy1 = maX. 22 MQ.

  • Published electrical datum

    22 MQ

    Rg1 = max. 22 MQ.

  • Heater voltage

    6.3 V

    Nominal heater rating

  • Heater current

    200 mA

    Nominal heater rating