| balanced push-pull amplifier(noun, expression, technology, device, signal) |
| balanced valve amplifier(noun, expression, technology, entity, power) |
| band-pass amplifier(noun, expression, technology, entity, power) |
| band amplifier(noun, expression, technology, device, signal) |
| bandpass amplifier(noun, expression, technology, device, signal) |
| base amplifier(noun, expression, technology, increase, power) |
| bass amplifier(noun, expression, technology, entity, power) |
| beam-injection magnetron amplifier(noun, expression, technology, entity, power) |
| beam-parametric amplifier(noun, expression, technology, increase, power) |
| beam-plasma amplifier(noun, expression, technology, entity, power) |
| beam-type parametric amplifier(noun, expression, technology, device, signal) |
| beam parametric amplifier(noun, expression, technology, device, signal) |
| beam plasma amplifier(noun, expression, technology, entity, power) |
| beam power amplifier(noun, expression, technology, increase, power) |
| belt-pack amplifier system(noun, expression, technology, entity, power) |
| bi-directional amplifier(noun, expression, technology, increase, power) |
| biased direct-current amplifier(noun, expression, technology, increase, power) |
| biased linear pulse amplifier(noun, expression, technology, entity, power) |
| biased pulse amplifier(noun, expression, technology, entity, power) |
| bidirectional amplifier(noun, expression, technology, device, signal) |