Integrated Transistor Amplifier
How to make an integrated transistor amplifier ?
Integrated Transistor Amplifier
We are now in a position to illustrate how a complete transistor amplifier circuit including bias resistors can be formed on a silicon wafer using the masking and photolithographic processes, described earlier. The difference now is that the masking pattern must be layed out to include the appropriate interconnections as well. Appearing in figures is the complete IC layout of the transistor amplifier circuit shown in figure. The five circuit elements—one capacitor, three resistors, and one transistor—and all the interconnections are produced by the same masking, etching, and diffusion process-. In an actual IC the circuit elements would not appear in the tandem arrangement illustrated in figure. Rather the elements would be so spaced as to make optimum use of the available space and to reduce the length of the interconnections to the minimum possible. The tandem arrangement is used here merely for convenience and clarification. The total area on the chip covered by this amplifier is a very small fraction of a square mm.
Integrated Transistor Amplifier - Cross-section
Integrated transistor amplifier - Interconnections
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What about power mosfet amplifier.THANK U.