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Voltage - Triode (single high frequency) ·Triode

5794A

RCA 5794A (6562) fixed-tuned 1680 MHz radiosonde oscillator triode with integral resonators and 50 Ω coaxial output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / 160 mA

Description

Fixed-tuned oscillator triode with two resonators integral with the tube, intended for radiosonde service at about 1680 MHz.

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 V
Nominal heater current
160 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

Triode

X-ray radiationInterelectrode capacitances
Max plate voltage
120 V
Max plate dissipation
3.6 W

RCA 6562/5794A 1680 MHz radiosonde fixed-tuned oscillator with two integral resonators. Max DC plate 120 V, current 34 mA, grid current 8 mA, plate input 4 W, dissipation 3.6 W, ambient -55 to +75°C. Heater 5.2–6.6 V, nominal 6 V 0.16 A. Power output approx 600 mW at 6.6 V heater, 117 V plate; minimum 300 mW at 5.2 V heater, 95 V plate. 50 Ω coaxial RF output, ±12 MHz mechanical frequency adjustment, grid resistor selected per tube 1300–2400 Ω. No intrinsic gm, mu or rp specified.

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

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Voltage range (AC or DC) — published value 1

    5

    Published datasheet value

  • Voltage range (AC or DC) — published value 2

    2

    Published datasheet value

  • Voltage range (AC or DC) — published value 3

    6.6

    Published datasheet value

  • Current at heater volts = 6.0 — published value 1

    6 A

    Published datasheet value

  • Current at heater volts = 6.0 — published value 2

    160 mA

    Published datasheet value

  • Frequency (Approx.)

    1680 MHz

    Published datasheet value

  • AMBIENT-TEMPERATURE RANGE — published value 1

    -55

    Published datasheet value

  • AMBIENT-TEMPERATURE RANGE — published value 2

    75

    Published datasheet value

  • For heater voltage range of 5.2 to 6.6 — published value 1

    5.2

    Published datasheet value

  • For heater voltage range of 5.2 to 6.6 — published value 2

    6.6

    Published datasheet value

  • volts, plate voltage range of 95 to 1 17 — published value 1

    95

    Published datasheet value

  • volts, plate voltage range of 95 to 1 17 — published value 2

    1

    Published datasheet value

  • volts, plate voltage range of 95 to 1 17 — published value 3

    17

    Published datasheet value

  • Heater Current — published value 1

    1 A

    Published datasheet value

  • Heater Current — published value 2

    135 mA

    Published datasheet value

  • Heater Current — published value 3

    148 mA

    Published datasheet value

  • Heater Current — published value 4

    157 mA

    Published datasheet value

  • Power Output — published value 1

    24

    Published datasheet value

  • Power Output — published value 2

    600

    Published datasheet value

  • Power Output — published value 1

    34

    Published datasheet value

  • Power Output — published value 2

    300

    Published datasheet value

  • Note 1 — published value 1

    1

    Published datasheet value

  • Note 1 — published value 2

    5.2

    Published datasheet value

  • Note 2 — published value 1

    2

    Published datasheet value

  • Note 2 — published value 2

    6.6

    Published datasheet value

  • Note 2 — published value 3

    117

    Published datasheet value

  • volts, frequency of 1680 Mc, and grltl resistor having resistance

    1680 MHz

    Published datasheet value

  • plate current will not exceed 3>1 milliamperes. The value used — published value 1

    3 mA

    Published datasheet value

  • plate current will not exceed 3>1 milliamperes. The value used — published value 2

    1 mA

    Published datasheet value

  • Note 3 — published value 1

    3

    Published datasheet value

  • Note 3 — published value 2

    5.2

    Published datasheet value

  • Note 3 — published value 3

    95

    Published datasheet value

  • volts, frequency of 1680 Mc, and grid-resistor value specified

    1680 MHz

    Published datasheet value

  • plate current w111 not exceed 34 ml lliamperes under the speclf letl

    34 A

    Published datasheet value

  • Nate 4

    4

    Published datasheet value

  • The flexible heater leads of the 6562/5794A are usual ly — published value 1

    6562

    Published datasheet value

  • The flexible heater leads of the 6562/5794A are usual ly — published value 2

    5794

    Published datasheet value

  • 1.750" — published value 1

    1.75

    Published datasheet value

  • 1.750" — published value 2

    2

    Published datasheet value

Other

  • DC PLATE VOLTAGE

    120 mA

    Published datasheet value

  • DC PLATE CURRENT

    34 mA

    Published datasheet value

  • DC GRID CURRENT

    8 mA

    Published datasheet value

  • PLATE INPUT

    4 mA

    Published datasheet value

  • PLATE DISSIPATION

    3.6 mA

    Published datasheet value

  • Imately 50 ohms and adjusted for amaximum voltage standing wave

    50 ohm

    Published datasheet value