CK5784

Subminiature pentode for mixer and gated-amplifier service. Specialized control behavior supports frequency conversion and gating rather than ordinary fixed-gain amplification alone.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 7A
Socket code: -
Base pins: 7
Nominal heater: 6.3 V / 200 mA

Description

CK5784 is a Pentode tube listed by Raytheon for mixer/gated amplifier service. Subminiature pentode for mixer/gated-amplifier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 7A
Socket code: -
Base pins: 7
Nominal heater voltage: 6.3 V
Nominal heater current: 200 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

7A - 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

Pentode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0032 S

Subminiature pentode for mixer/gated-amplifier service.

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

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
120 V
Mixer-gated amplifier
Control-grid voltage
-2 V
Mixer-gated amplifier
Screen voltage
120 V
Mixer-gated amplifier
Grid 3 voltage
0 V
Mixer-gated amplifier
Plate current
5.2 mA
Mixer-gated amplifier
Screen current
3.5 mA
Mixer-gated amplifier