## Principles of Electricity and Electromagnetism |

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Page 215

As has been previously mentioned , such a device is extremely inefficient as a

power

negligible plate current flows in the absence of grid excitation ( eg = 0 ) , the ...

As has been previously mentioned , such a device is extremely inefficient as a

power

**amplifier**. If Ec is sufficiently negative ( so - called negative bias ) so that anegligible plate current flows in the absence of grid excitation ( eg = 0 ) , the ...

Page 505

Class C

so great that plate current flows for much less than half of a cycle . The preceding

analysis is only very approximately applicable to this case , since for a small ...

Class C

**Amplifiers**. - A class C**amplifier**is one in which the negative - grid bias isso great that plate current flows for much less than half of a cycle . The preceding

analysis is only very approximately applicable to this case , since for a small ...

Page 529

In the

complex . Assuming infinite input impedance and that Af = Af eiŽ , show that Α A ,

= * ( 1 ...

In the

**amplifier**of the preceding problem phase shifts may occur both in the**amplifier**and in the output - input coupling circuit so that A and f are in generalcomplex . Assuming infinite input impedance and that Af = Af eiŽ , show that Α A ,

= * ( 1 ...

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