27 aviation-related valves in display case

27 aviation-related valves in a display case :
VT47/ TZ05-20

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27 aviation-related valves in a display case : VT47/ TZ05-20
Science Museum Group Collection
© The Board of Trustees of the Science Museum

27 aviation-related valves in a display case :

VT47/ TZ05-20 Triode

VT25/ DET25 Triode

VT104/ PT15 Pentobe

VT60/ 807 Beam Tetrode

VT62/ DET12 VHF Triode

VT76/ TZ40 Zero bias Triode

VT61/ RK34 DET19 VHF Double Triode

Details

Category:: Aeronautics

Object Number:: Y2005.25

Measurements:: Overall: 105 mm x 460 mm x 610 mm,

type:: aircraft valves

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Parts

VT47/ TZ05-20 directly heated communication triode

VT47/ TZ05-20 directly heated communication Triode. 20 Watts. 6/600 HT Volts. 1.1 Amps.

Object Number:: Y2005.25.1

type:: aircraft valve

VT25/ DET25 directly heated Triode

VT25/ DET25 directly heated Triode. Communication. Power amplifier in early airborne HF transmistter T1083. Also used starpped as a diode to rectify grid bias in HF ground transmitter T1087. 36 Watts. 7.5/1200 HT Volts. 2 Amps.

Object Number:: Y2005.25.2

type:: aircraft valve

VT104/ PT15 directly heated Pentode

VT104/ PT15 directly heated Pentobe. Communication. Two used in parallel as power amplifiers in HF airborne transmitter T1154. 30 Watts. 6/1.3 Volts. 1.25kV Amps.

Object Number:: Y2005.25.3

type:: aircraft valve

VT60/ 807 indirectly heated beam tetrode

VT60/ 807 indirectly heated Beam Tetrode. Communication. General purpose RF amplifier. Used as a crystal oscillator in modified T1087 transmitetr. 25 Watts. 6.3/1 Volts. 600 Amps.

Object Number:: Y2005.25.4

type:: aircraft valve

VT62/ DET12 VHF Triode

VT62/ DET12 VHF Triode. Used for communication. Two in push-ull used in VHF R/T ground transmitetr T1131. 30 Watts. 7.5/3.25 Volts. 1.25kV Amps.

Object Number:: Y2005.25.5

type:: aircraft valve

VT76/ TZ40 directly heated Zero bias Triode

VT76/ TZ40 directly heated Zero bias Triode. Two used in push-pull as Class B modulators in T1131 transmitter. 40 Watts. 7.5/2.5 Volts. 1.25kV Amps.

Object Number:: Y2005.25.6

type:: aircraft valve

VT61/ RK34 DET19 VHF Double Triode

VT61/ RK34 DET19 VHF Double Triode indirectly heated VHF double Triode used as a power amplifier in airborne VHF R/T transmisster TR1133. 27.5 Watts. 6.3/0.8 Volts. 300 Amps.

Object Number:: Y2005.25.7

type:: aircraft valve

VT501 E1192 indirectly heated beam tetrode

VT501 E1192 indirectly heated beam Terode used in airborne transmitter/receivers. 7.5 Watts. 6.3/0.8 Volts. 300 Amps.

Object Number:: Y2005.25.8

type:: aircraft valve

VT88 832 indirectly heated pus

VT88 832 indirectly heated push-pull beam power amplifier communication valve. 12.6/0/8 Volts. 400 Amps.

Object Number:: Y2005.25.9

type:: aircraft valve

CV397 communication valve

CV397 communication valve.

Object Number:: Y2005.25.10

type:: aircraft valve

VT46 PT25H directly heated com

VT46 PT25H directly heated communication Pentode. 25 Watts. 4/2 Volts. 500 Amps

Object Number:: Y2005.25.11

type:: aircraft valve

Communication valve

Object Number:: Y2005.25.12

type:: aircraft valve

KT67 communication valve

Object Number:: Y2005.25.13

type:: aircraft valve

VT90 directly heated Triode

VT90 directly heated Triode. Heavy duty filament for pulse operation in radar. Used in early 1.5 m airborne radar. Two used in push-pull pulsed at 35 kilowatts. Known in RAF as 'micropup'. 100 Watts. 8.25/9 kV Volts. 7 Amps.

Object Number:: Y2005.25.14

type:: aeroplane component

Image ©: The Board of Trustees of the Science Musuem

VR136 RL7 indirectly heated VHF pentode

VR136 RL7 indirectly heated VHF Pentode used as RF amplifier in VHF radar receivers. 6.3 Volts. 0.3 Amps.

Object Number:: Y2005.25.15

type:: aeroplane component

Image ©: The Board of Trustees of the Science Musuem

Aircraft valve VR137 RL16

VR137 RL16 indirectly heated VHF Triode used as a local oscillator in VHF radar receivers.

Object Number:: Y2005.25.16

type:: aircraft valve

Image ©: The Board of Trustees of the Science Musuem

Aircraft valve VR91 EF50

VR91 EF50 used in radar receiver broad-band amplifiers etc.

Object Number:: Y2005.25.17

type:: aircraft valve

Image ©: The Board of Trustees of the Science Musuem

Aircraft valve VR92 EA50

VR92 EA50 indirectly heated VHF radar diode. Used as second detector in VHF radar receivers. 6.3 Volts. 1 Amp.

Object Number:: Y2005.25.18

type:: aircraft valve

Image ©: The Board of Trustees of the Science Musuem

Aircraft valve E3041

E3041 spark gap radar valve used for pulsing Magnetrons

Object Number:: Y2005.25.19

type:: aircraft valve

Image ©: The Board of Trustees of the Science Musuem

Aircraft valve VR135

VR135 indirectly heated VHF Triode for radar. Dual purpose receiver/transmitetr valve in IFF (Identification, Friend or Foe) sets. Used in super-regenerative circuit and sweeping frquencies from about 24 mHz down to VHF. Used also in VHF radar transponder

BABS (Blind Approach Landing System). 1 Watt. 6.9/500 Volts. 0.21 Amps.

Object Number:: Y2005.25.20

type:: aircraft valve

Aircraft valve VT65 SP61

VR65 SP61 indirectly heated HF Pentrode. Used in many radar applications, similar to VR91. Large cathode served to reduce 'noise' supposedly. 6.3 Volts. 0.63 Amps.

Object Number:: Y2005.25.21

type:: aircraft valve

Aircraft valve CV1482

CV1482 multi-resonant cavity high power Magnetron for radar use. Pulsed at 450 kilowatts on 10 cm (2.98 gHz - 2980 kHz). Used in first operational airborne centimetric radar. The Magetron was an important WW2 technical innovation.