Electronics (Mike Jaroch)
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A tuned circuit that does not pass a specified band of frequencies  .
A filter that allows a narrow band of frequencies to pass through the circuit.
Rejects or attenuates frequencies that are either higher or lower than the desired band of frequencies 
The difference between the highest usable frequency of a device (upper frequency limit) and the lowest usable frequency of the device (lower frequency limit) - measured at the half-power
points    .
A type of bolometer characterized by an increase in resistance as the dissipated power rises .
Similar to a control-grid modulator. The gain of a transistor is varied by changing the bias on its base .
A device for converting chemical energy into electrical energy .
The amount of energy available from a battery. Battery capacity is expressed in
A measurement of speed based on the number of code elements or units per second .
Part of an antenna array .