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Specialized - Klystron ·Klystron

SZ50

Very rugged reflex klystron local oscillator covering roughly 9.0–9.6 GHz, designed for exceptional frequency stability and reliability under severe conditions.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.2 A

Description

Ferranti SZ50 is a very rugged reflex klystron local oscillator covering roughly 9.0-9.6 GHz. It is designed for high frequency stability and reliability under severe environmental conditions and uses convection cooling.

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
1.2 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

Klystron

X-ray radiationInterelectrode capacitances
Max plate voltage
350 V

Klystron beam/resonator anode voltage is promoted to MaxPlateVoltage where applicable; original published labels and conditions are retained in parameter rows.

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

1963 Ferranti

Published operating points and test conditions from this source.

SECTION 1

Klystron

Frequency

  • Operating frequency

    9000 to 9600 Mc/s

    9300 ±300 Mc/s

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater voltage absolute limits

    5.7 to 6.9 V

  • Heater current

    1.2 A

    Nominal ±10%

  • Maximum resonator voltage

    350 V

  • Maximum resonator current

    60 mA

  • Maximum negative reflector voltage

    500 V

    Magnitude; reflector negative

  • Maximum heater-cathode voltage

    55 V

  • Maximum body temperature

    200 C

  • Typical reflector voltage

    -120 to -75 V

    250 V resonator

  • Typical resonator current

    20 to 40 mA

    250 V resonator

  • Power output

    29 to 66 mW

    250 V resonator

Characteristic

  • Maximum reflector current

    5 uA

    Typical table maximum

  • Electronic tuning range

    15 Mc/s

    Approximately ±15 Mc/s

  • Electronic tuning rate

    1.3 to 4.3 Mc/s/V

  • Maximum warm-up frequency drift

    10 Mc/s

  • Maximum tuner resetting error

    2 Mc/s