The LV13 is a transmitting triode developed in Germany in the early 1940s.
The LV13 was used in the FuG 220 transmitter where a pair produced 1 μs 15 Amp pulses to the primary of a pulse transformer that delivered 2 kV out. The pulse repetition frequency was 295 or 298 pps and the transmitter operated at 87 - 92 MHz.
The white cathode and grid winding can be seen in the centre. The anode has multiple flanges for maximum heat dissipating area.
The valve holder cage has a key-way to guide the moulded glass key into the correct orientation to locate the pins into the socket.
The metal top has a threaded hole into which would be fitted a knob (SeeRV12P2000 for an example) to allow valve changes from the front panel.
The hard glass glass foot holds the pins. The anode pin is set apart from the rest and can be seen at the bottom of the image.
The base pins.
The moulded glass locating key.
The wide glass tube envelope is 40 mm in diameter and, excluding the base pins, is 82 mm tall.
Reference: Data-sheet. Type LV13 was first introduced in 1942. See also1942 adverts.
