The PC86 is a purpose designed UHF oscillator triode for television reception. Mullard describe the PC86 as: a UHF frame-grid mixer/oscillator triode. This exhibit has the older logo and was an import. However, at the time the phrase used was Foreign Made.The anode seen end on. The top mica is a double disc and holds the getter carrier.Here the anode can be seen to have a central depression. This arrangement provides a small flat piece of metal close to the grid and a much larger heat sink around it.The thin glass tube envelope is 20 mm in diameter and excluding the B9A base pins, is 48 mm long.References: Data-sheet & 1040. Type PC86 was first introduced in 1962. See also 1962 adverts. |