Page 210 - Complete Wireless Design
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Amplifier Design



                                                                               Amplifier Design  209



























                        Figure 3.112 Inductive coupling between two stages.





























                        Figure 3.113 Direct coupling between two stages.

                        for Q and as a base resistor for Q , and thus must be carefully chosen to func-
                             1                         2
                        tion in both roles, since a small temperature-induced current change in Q is
                                                                                             1
                        directly amplified by Q . Precision components and tight placement of parts to
                                             2
                        allow each component the same changes in temperature must be used to sta-
                        bilize this circuit.


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