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B

BROADSIDE ARRAY

An array in which the direction of maximum radiation is perpendicular to the
plane containing the elements [10] [18].


BRUSHES

Sliding contacts, usually carbon, that make electrical connection to the rotating part of a motor or generator [5].


BUFFER

A voltage amplifier used between the oscillator and power amplifier [12].

BUFFER AMPLIFIER

An amplifier that isolates one circuit from another. It decreases the loading effect on an oscillator by reducing the interaction between the load and the oscillator [9] [18].


BUILT-IN TEST EQUIPMENT (BITE)

A permanently mounted device that is used expressly for testing an equipment or system [14].


BUNCHER CAVITY

The input resonant cavity in a conventional klystron oscillator [11].

BUNCHER GRID

In a velocity-modulated tube, the grid that concentrates the electrons in the electron beam into bunches [11].


BURNISHING TOOL

A tool used to clean and polish contacts on a relay [3].

BUS BAR

A heavy copper strap or bar used to connect several circuits together when a large current-carrying capacity is required [4].


BYPASS CAPACITOR

A capacitor used to transfer unwanted signals out of a circuit; for example,
coupling an unwanted signal to ground. Also called a DECOUPLING CAPACITOR [8].



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