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Bomac 1B27 TR Cell for use in an external cavity. Also CV713. The frequency range is 2.3 to 3.8GHz and it will handle 450kW.


1B27 size The tube measures 82x26mm overall (across the disc seals), 16mm between the disc seals, and approx 20mm across the glass.

Markings on the device are JAN-CBNQ-1B27, and the numbers 160 and 140.


1B27 cap 1B27 screw
The keepalive connector has a cutout to make space for the exhaust seal. At the other end is the tuning screw.

1B27 gap
The gap is shown here. In this picture the tuning screw acts on the left hand side.

This file was last modified 14:58:33, Tuesday September 02, 2014