Page 240 - Build Your Own Transistor Radios a Hobbyists Guide to High-Performance and Low-Powered Radio Circuits
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+V
                                              0.1 uf








                                        R1



                                                                      Vout


                                                           + V
            +Vbias  1
                                     M
                                        Q1
                                2                                 2
                                        MP              MP


                      0.1 uf                                     C_bYP3SSl            Rib2

              Vosc                                                                                 +Vbias  1

                                              lEE
                                                               Note:  Q1  and Q2 are matched transistors.
                               0.1 uf
              Vrf
                         )                    2       Q3





                                   Rb3





            FIGURE 14-8 A differential-pair mixer with three transistors.
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