ZP1057

Forced-air-cooled metal-ceramic triode with internal feedback for continuous-wave microwave oscillator service to approximately 2 GHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 3.8 A

Description

The ZP-1057 is a forced-air-cooled triode especially designed for CW oscillator service through approximately 2000 megacycles. It is intended for high-level microwave signal generators over a very wide frequency range and uses internal feedback to simplify cavity circuitry.

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: 3.8 A
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

Triode

X-ray radiationInterelectrode capacitances

Max plate voltage: 1750 V
Max plate dissipation: 300 W
Max cathode current: 300 mA

CW Class-C maximum plate voltage and dissipation promoted; maximum plate/grid currents and typical operation preserved as parameters.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater Current
3.5 A to 4 A
Cathode Heating Time
1 to - min
Radiator Hub Temperature Maximum
250 C
Ceramic Temperature Maximum
200 C
DC Plate Current Maximum
300 mA
ClassC;CW
DC Grid Voltage Maximum
-150 V
ClassC;CW
DC Grid Current Maximum
50 mA
ClassC;CW
DC Plate Voltage
1500 V
GroundedGrid;ClassC;CW;1200MHz;ThreeQuarterLambdaOutput
DC Plate Current
275 mA
GroundedGrid;ClassC;CW;1200MHz;ThreeQuarterLambdaOutput
DC Grid Voltage
-125 V
GroundedGrid;ClassC;CW;1200MHz;ThreeQuarterLambdaOutput
DC Grid Current
45 mA
GroundedGrid;ClassC;CW;1200MHz;ThreeQuarterLambdaOutput
Power Output Approximate Useful
200 W
GroundedGrid;ClassC;CW;1200MHz;ThreeQuarterLambdaOutput

Capacitance

Input Capacitance
15.5 pF
Output Capacitance
6.5 pF