## Electronics (Mike Jaroch)

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### B

#### BLOCK DIAGRAM

A diagram in which the major components of an equipment or a system are
represented by squares, rectangles, or other geometric figures, and the normal order of progression of a signal or current flow is represented by lines [4].

 Keyword(s): BLOCK DIAGRAM

#### BLOCKED-GRID KEYING

A method of keying in which the bias is varied to turn plate current on and
off [12].

 Keyword(s): BLOCKED-GRID KEYING

#### BLOCKING

A condition in an amplifier, caused by overdriving one or more stages, in which the amplifier is insensitive to small signals immediately after reception of a large signal [18].

 Keyword(s): BLOCKING

#### BOLOMETER

A loading device that undergoes changes in resistance as changes in dissipated power occur [16].

 Keyword(s): BOLOMETER

#### BONDING WIRES

Fine wires connecting the bonding pads of the chip to the external leads of the
package [14].

 Keyword(s): BONDING WIRES

#### BOOLEAN

(1) Pertaining to the process used in the algebra formulated by George Boole. (2) Pertaining to the operations of formal logic [13].

 Keyword(s): BOOLEAN

#### BOOLEAN ALGEBRA

A system of logic dealing with on-off circuit elements associated by such
operators as the AND, OR, NAND, NOR, and NOT functions [13].

 Keyword(s): BOOLEAN ALGEBRA

#### BOOLEAN LOGIC

See BOOLEAN ALGEBRA [13].
 Keyword(s): BOOLEAN LOGIC

#### BOUNDARY CONDITIONS

The two conditions that the E-field and H-field within a waveguide must
meet before energy will travel down the waveguide. The E-field must be perpendicular to the walls and the H-field must be in closed loops, parallel to the walls, and perpendicular to the E-field [11].

 Keyword(s): BOUNDARY CONDITIONS

#### BRANCH

An individual current path in a parallel circuit [1] [4].
 Keyword(s): BRANCH

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