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The John Lawrence Collection
The 1971 English Electric data book describes the C1150 as a pulse amplifier tetrode. This is for service in pulse modulator equipment and this suggests Radar useage.
The maximum anode dissipation is 60 Watts and the pulse power output is 205 kW. The maximum DC anode voltage is 17.5 kV and the maximum pulse current is 15 Amps. The base is a B4A type.
The ceramic insulators are present because of the high operating voltage. The anode being connected to the top cap is also for reasons of insulation of the high voltages.
The wide glass tube envelope is 60 mm in diameter and, excluding the B4A base pins is 130 mm tall.
 
Absolute Maximum Operating Conditions
Tetrode
Vh
Ah
Va
26.0
2.15
17,000

This exhibit was last updated on 02 December 2007