+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.