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7699

Long-life wideband push-pull amplifier tube for test instruments, distributed amplifiers, and computers, using two sections with common screen and cathode.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / -

Description

Wide-band push-pull amplifier tube for test instruments, distributed amplifiers, and computers. It uses two amplifier sections with a common screen and cathode and is intended for long-life reliable circuits.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: -
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

2 physical sections, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0075 S
Max plate voltage: 275 V
Max plate dissipation: 3 W
Max screen dissipation: 1.25 W
Max cathode current: 50 mA

Published ratings/characteristics promoted from the source; representative section used for repeated identical systems where applicable.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0075 S
Max plate voltage: 275 V
Max plate dissipation: 3 W
Max screen dissipation: 1.25 W
Max cathode current: 50 mA

Second physical pentode section; electrically identical twin section.

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

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Transconductance
7500 µS

Other

Maximum Plate Voltage
275 V
Maximum Plate Dissipation
3 W
Maximum Screen Dissipation
1.25 W
Maximum Cathode Current
50 mA