Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent
1999-03-31
2000-12-05
Pascal, Robert
Amplifiers
With semiconductor amplifying device
Including differential amplifier
330311, 330 51, 327561, H03F 345
Patent
active
06157256&
ABSTRACT:
A method and circuitry are disclosed for enhancing the operational bandwidth of a signal amplification circuitry system; for example, comprising providing an amplification circuit for amplifying the electrical signal, providing buffer circuitry adapted to negate capacitive loading effects between amplifier stages, and coupling said buffer circuitry between the amplification circuitry and collateral circuitry such that the buffer circuitry isolates the amplification circuitry from the effects of capacitive loading originating from the collateral circuitry. Enhancement in the operational bandwidth of the amplification circuit results. A plurality of buffer circuit elements 162 and 352 are coupled within amplifier stages 100, 200, and 300 negating the transitive effects of capacitive loading between the amplifier stages. The isolative nature of the buffer circuits results in an overall improvement of the operational bandwidth of the amplifier circuitry, providing the advantage of improved overall performance of the amplifier.
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Brady III Wade James
Choe Henry
Pascal Robert
Swayze, Jr. W. Daniel
Telecky Jr. Frederick J.
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